Author: claimsbot

1. A system for upgrading a device driver of a computer through a network, comprising:
an upgrade server dividing at least one device driver to be upgraded into a variable file and an invariable file information according to an upgrade version, and supplying said variable file and said invariable file information through said network; and
a computer including an upgrading program installed, said computer downloading said variable file and said invariable file information from said upgrade server and upgrading said device driver with said variable file based on said invariable file information.
2. The system according to claim 1, with said upgrading program including a communication module connecting with said upgrade server and downloading said variable file and said invariable file information.
3. The system according to claim 2, with said computer further including a backup storage unit storing said variable file and said invariable file information downloaded, for backup.
4. The system according to claim 1, with said device driver selected from the group consisting of a sound driver, a mouse driver, a graphics driver, a local area network card driver, and small computer system interface driver.
5. The system according to claim 1, with said computer further comprising a backup copy of said variable file and a backup copy of said invariable file information of said device driver.
6. The system according to claim 5, with said backup copy of said variable file and invariable file information accommodating a correction of an error in said device driver in said computer.
7. The system according to claim 5, with said backup copy of said variable file and invariable file information being stored in a backup storage unit of said computer to recover said device driver with said variable file according to said invariable file information when the error occurs.
8. The system according to claim 1, with said upgrade server further comprising a control unit comparing information on said device driver on said computer with said variable file and said invariable file information on said upgrade server to determine whether said device driver will be updated with said variable file according to said invariable file information.
9. The system according to claim 1, further comprising a control unit controlling said variable file and invariable file information to permit said computer to download said variable file and invariable file information for upgrading in response to a download request from said computer.
10. The system according to claim 9, with said control unit receiving information on said device driver stored in said computer and comparing said device driver stored in said computer with information on said variable file and invariable file to permit said computer to download said variable file and invariable file information from said upgrade server.
11. The system according to claim 9, with said control unit transmitting information of said invariable file and variable file to said computer through electronic mail.
12. A method for upgrading a device driver of a computer through a network, comprising the steps of:
generating a variable file by extracting parts being different between an old version and a new version of said device driver, and an invariable file information by extracting parts being the same between said old version and said new version of said device driver;
storing at least one device driver having said variable file and said invariable file information in an upgrade server;
downloading said variable file and said invariable file information from said upgrade server to said computer; and
upgrading said device driver of said computer to said variable file based on said invariable file information.
13. The method according to claim 12, further comprising the step of transmitting information of a version of said device driver installed in said computer to said upgrade server, said upgrade server providing said device driver of said computer to allow said computer to download said device driver of said upgrade server, said device driver of said computer being an old version compared with said device driver of said upgrade server, based on the version information.
14. The method according to claim 12, further comprising the steps of:
storing said variable file and said invariable file information in said computer for backup, during said step of downloading said variable file and said invariable file information; and
recovering said device driver based on said backup variable file and said backup invariable file information, when an error occurs in said device driver of said computer.
15. The method according to claim 12, with said step of generating said variable file and said invariable file information, comprising the steps of:
installing said old version of said device driver to a first computer system and then storing a registry and a system file;
installing said new version of said device driver to a second computer system and then storing a registry and a system file; and
comparing said first computer system having said old version of said device driver with said second computer system having said new version of said device driver in terms of the registry and the system file to store the different parts between the old version and the new version of the device driver in the variable file, and to store the same parts between the old version and the new version of the device driver in the invariable file information.
16. The method according to claim 12, further comprising the steps of:
supplying information of a version of said device driver installed in said computer to said upgrade server; and
providing said computer with a list of said variable file and said invariable file information to said computer when said variable file and said invariable file information being of a newer version than said device driver on said computer.
17. The method according to claim 12, further comprising the step of transmitting information of said variable file and said invariable file to said computer according to log-on data to allow the downloading of said variable file and invariable file.
18. The method according to claim 17, with the log-on data being from electronic mail information.
19. A method, comprising the steps of:
generating a variable file by extracting parts being different between an old version and a new version of a device driver, and an invariable file information by extracting parts being the same between said old version and said new version of said device driver;
storing said variable file and said invariable file information;
downloading said variable file and said invariable file information to said computer from storage; and
upgrading said device driver of said computer to said variable file based on said invariable file information.
20. The method according to claim 19, further comprising the step of comparing the version of said device driver installed in said computer with said variable file and said invariable file information to allow said computer to download said variable file and said invariable file.
21. The method according to claim 19, further comprising the steps of:
storing said variable file and said invariable file information in said computer for backup, during said step of downloading said variable file and said invariable file information; and
recovering said device driver according to said backup variable file and said backup invariable file information, when an error occurs in said device driver of said computer.
22. The method according to claim 19, with said step of generating said variable file and the invariable file information, comprising the steps of:
installing said old version of said device driver to a first computer system and then storing information of an operating system of said first computer;
installing said new version of said device driver to a second computer system and then storing information of an operating system of said second computer; and
comparing said stored information of the operating systems of said first computer system and said second computer system to generate said variable file and said invariable file information.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A method for managing printing of an eXtensible Markup Language (XML) document, comprising:
(a) receiving, at a policy agent included in a printing apparatus, a user request to print an XML document;
(b) analyzing, at the policy agent, the XML document and requesting a policy object defining a printing layout and an access authority to output data, to a policy management server, wherein the policy object is identified by reference information for the location of the policy object located in the XML document;
(c) receiving, at the policy agent, the policy object from the policy management server, interpreting the policy object, and obtaining policy information from the policy object; and
(d) determining, at the policy agent, whether the user requesting to print the XML document has an access authority to the XML document on the basis of the policy information, and if it is determined that the user has the access authority, printing the XML document according to the policy information,
wherein the policy information represents interpretation information for an XML tag.
2. The method of claim 1, wherein, after operation (b), the policy management server requests the policy object requested from the policy agent to a policy repository, and the policy repository searches for the policy object requested from the policy management server and transmits the searched policy object to the policy management server.
3. The method of claim 1, wherein, when the user requests the policy agent to print the XML document, a user’s computer automatically adds the reference information for the location of a file representing the policy object to a file comprising the XML document.
4. The method of claim 1, wherein, in operation (b), the policy agent interprets reference information for the location of a file representing the policy object and requests the policy object to the policy management server using the reference information.
5. The method of claim 1, in operation (d), further comprising:
determining a printing layout of the XML document according to the policy information prior to printing the XML document.
6. A system for managing printing of an eXtensible Markup Language (XML) document, comprising:
a policy agent, included in a printing apparatus, for requesting a policy object defining a printing layout and an access authority to output data, to a policy management server, upon receiving a request from a user to print an XML document;
a policy management server for transmitting the policy object to the policy agent in response to the request, wherein the policy object is located using reference information contained in the XML document for identifying the location of the policy object; and
a policy repository for storing the policy object;
wherein the policy agent receives the policy object from the policy management server, interprets the policy object, obtains policy information, and determines whether the user requesting to print the XML document has an access authority to the XML document on the basis of the policy information, and if it is determined that the user has the access authority, the XML document is printed according to the policy information,
wherein the policy information represents interpretation information for an XML tag.
7. The system of claim 6, wherein the policy management server requests the policy object requested from the policy agent to the policy repository, and the policy repository searches for the policy object requested from the policy management server and transmits the searched policy object to the policy management server.
8. The system of claim 6, further comprising:
a computer automatically adding the reference information for the location of a file representing the policy object to a file comprising the XML document, when the user requests the policy agent to print the XML document.
9. The system of claim 8, wherein the policy agent interprets the file location reference information of the policy object, and requests the policy object to the policy management server using the file location reference information.
10. The system of claim 6, wherein the policy agent determines a printing layout of the XML document according to the policy information, and prints the XML document.
11. The method of claim 1, wherein, operation (a) further comprises receiving the XML document, at the policy agent, from the requesting user if the user request is approved by the policy agent.
12. The system of claim 6, wherein the policy agent is configured to approve the user’s request to print an XML document and further receives the XML document from the requesting user.
13. The method of claim 1, wherein in step (d), the XML document is printed in a defined layout on the basis of information of the user requesting to print the XML document.
14. The system of claim 6, wherein the XML document is printed in a defined layout on the basis of information of the user requesting to print the XML document.

1. A gas-driven pumping device for pumping a liquid from at least one liquid source in a well and onto at least one receiving region for the liquid, the liquid source having a pressure (Psource) and the receiving region having a pressure (Preceiving), in which the pumping device is located in the well, wherein the pumping device comprises at least one pressure manipulation chamber extending in the longitudinal direction of the well and including a lower chamber portion and an upper chamber portion; and
wherein said pressure manipulation chamber is connected in a flow-communicating manner to the following channels:
at least one liquid supply channel connecting the pressure manipulation chamber to said liquid source, the liquid supply channel including at least one first check valve for allowing liquid flow only to the pressure manipulation chamber;
at least one liquid discharge channel connecting the lower chamber portion of the pressure manipulation chamber to said liquid receiving region, the liquid discharge channel including at least one second check valve for allowing liquid flow only from the pressure manipulation chamber;
at least one gas supply channel connecting the pressure manipulation chamber to at least one gas source containing a pressurized manipulation gas, the gas supply channel including at least one first control valve structured for selective introduction of manipulation gas into the pressure manipulation chamber, and also for regulation of the pressure (Pchamber) of the gas therein; and
at least one gas discharge channel leading out of the upper chamber portion of the pressure manipulation chamber, the gas discharge channel including at least one second control valve structured for selective discharge of manipulation gas from the pressure manipulation chamber, and also for regulation of the pressure (Pchamber) of the gas therein;
whereby the pumping device is structured so as to be able to direct manipulation gas out of the pressure manipulation chamber and also lower the gas pressure (Pchamber) therein to a lower pressure (Plower) at which a resulting pressure difference (Psource-Plower) will drive the liquid from the liquid source and into the pressure manipulation chamber via the liquid supply channel;
whereby the pumping device also is structured so as to then be able to direct manipulation gas into the pressure manipulation chamber and increase the gas pressure (Pchamber) therein to an upper pressure (Pupper) at which a resulting pressure difference (Pupper-Preceiving) will drive the liquid from the pressure manipulation chamber and onwards to the receiving region via said liquid discharge channel; and
whereby the pumping device is structured so as to be able to alternately lower and increase the gas pressure (Pchamber) in the pressure manipulation chamber, the course of which represents one operating cycle, thereby being able to pump liquid from the liquid source and onwards to the receiving region via the pressure manipulation chamber.
2. The gas-driven pumping device according to claim 1, wherein said liquid supply channel is connected in a flow-communicating manner to at least one water production formation connected to the well, the water production formation thus constituting said liquid source; and
wherein said liquid discharge channel is connected in a flow-communicating manner to the surface of the well, the surface thus constituting the receiving region for water emanating from the water production formation.
3. The gas-driven pumping device according to claim 1, wherein said liquid supply channel is connected in a flow-communicating manner to at least one oil production formation connected to the well, the oil production formation thus constituting said liquid source; and
wherein said liquid discharge channel is connected in a flow-communicating manner to the surface of the well, the surface thus constituting the receiving region for oil emanating from the oil production formation.
4. The gas-driven pumping device according to claim 2, wherein said gas discharge channel comprises at least one gas bleed channel filled with manipulation gas for selective discharge of lift gas into said liquid discharge channel, whereby a gas pressure gradient will be present in the gas bleed channel, whereas a liquid pressure gradient will be present in the liquid discharge channel;
wherein the gas-filled gas bleed channel connects the upper chamber portion of the pressure manipulation chamber in a flow-communicating manner to a shallower depth level in the liquid discharge channel where the liquid has a liquid pressure (Pshallower); and
wherein said shallower depth level is selected at a depth where the liquid pressure (Pshallower), via the gas pressure gradient in the gas bleed channel, will result in said lower gas pressure (Plower) in the pressure manipulation chamber, insofar as the lower gas pressure (Plower) will be substantially smaller than a corresponding liquid pressure at the same level in the liquid discharge channel;
whereby the difference between the densities of the manipulation gas and the liquid flow is utilized to provide the lower gas pressure (Plower) 1 in the pressure manipulation chamber; and
whereby the pumping device is structured so as to be able to selectively direct manipulation gas into the liquid discharge channel as lift gas for the liquid.
5. The gas-driven pumping device according to claim 1, wherein said gas source is comprised of at least one of the following gas sources:
a gas source at the surface; and
a gas source in a subsurface formation.
6. The gas-driven pumping device according to claim 1, wherein said liquid supply channel is connected in a flow-communicating manner to a water-containing liquid in at least one hydrocarbon-water-separator located in the well, the separator constituting said liquid source;
wherein said separator is connected in a flow-communicating manner to a hydrocarbon- and water-containing production flow emanating from at least one production formation connected to the well;
wherein the separator is structured so as to be able to at least separate said production flow into said water-containing liquid and into a hydrocarbon-containing liquid;
wherein the hydrocarbon-containing liquid in the separator is connected in a flow-communicating manner to at least one production channel for production of the hydrocarbon-containing liquid; and
wherein said liquid discharge channel is connected in a flow-communicating manner to at least one disposal formation connected to the well, the disposal formation constituting said receiving region for separated, water-containing liquid emanating from the separator.
7. The gas-driven pumping device according to claim 6, wherein said gas discharge channel comprises at least one gas bleed channel filled with manipulation gas for selective discharge of lift gas into said production channel, whereby a gas pressure gradient will be present in the gas bleed channel, whereas a liquid pressure gradient will be present in the production channel;
wherein the gas-filled gas bleed channel connects the upper chamber portion of the pressure manipulation chamber in a flow-communicating manner to a shallower depth level in the production channel where the hydrocarbon-containing liquid has a liquid pressure (Pshallower); and
wherein said shallower depth level is selected at a depth where the liquid pressure (Pshallower), via the gas pressure gradient in the gas bleed channel, will result in said lower gas pressure (Plower) in the pressure manipulation chamber, insofar as the lower gas pressure (Plower) will be substantially smaller than a corresponding liquid pressure at the same level in the production channel;
whereby the difference between the densities of the manipulation gas and the hydrocarbon-containing liquid is utilized to provide the lower gas pressure (Plower) in the pressure manipulation chamber; and
whereby the pumping device is structured so as to be able to selectively direct manipulation gas into the production channel as lift gas for the hydrocarbon-containing liquid.
8. The gas-driven pumping device according to claim 6, wherein said gas source is comprised of at least one of the following gas sources:
a gas source at the surface;
a gas source in a subsurface formation; and
a gas source in the form of gas separated from the hydrocarbon- and water-containing production flow emanating from said production formation.
9. The gas-driven pumping device according to claim 6, wherein said at least one hydrocarbon-water-separator comprises at least one cyclone separator.
10. The gas-driven pumping device according to claim 6, wherein said at least one hydrocarbon-water-separator comprises at least one gravity separator.
11. The gas-driven pumping device according to claim 10, wherein the gravity separator is comprised of a horizontal gravity separator located in a horizontal portion of the well.
12. The gas-driven pumping device according to claim 6, wherein the pressure manipulation chamber is located at a distance from the at least one separator.
13. The gas-driven pumping device according to claim 6, wherein the at least one disposal formation is situated shallower than the production formation.
14. The gas-driven pumping device according to claim 6, wherein the at least one disposal formation is situated deeper than the production formation.
15. The gas-driven pumping device according to claim 6, wherein the at least one disposal formation comprises at least one disposal layer in the production formation.
16. The gas-driven pumping device according to claim 1, wherein the pressure manipulation chamber is located in a pipe in the well.
17. The gas-driven pumping device according to claim 1, wherein the pressure manipulation chamber is located on the outside of a pipe in the well.
18. The gas-driven pumping device according to claim 1, wherein the pressure manipulation chamber is located in an annulus in the well.
19. The gas-driven pumping device according to claim 1, wherein the pumping device comprises at least two pressure manipulation chambers structured for cooperative pumping of liquid from said liquid source and onwards to said receiving region; and
wherein said pressure manipulation chambers are arranged with a phase-lagged operating cycle relative to each other, whereby a smoother induction and pumping of liquid is achieved.
20. A method of pumping a liquid from at least one liquid source in a well and onto at least one receiving region for the liquid, the liquid source having a pressure (Psource) and the receiving region having a pressure (Preceiving), wherein the method comprises:
locating at least one gas-driven pumping device in the well, wherein the pumping device comprises at least one pressure manipulation chamber extending in the longitudinal direction of the well and including a lower chamber portion and an upper chamber portion, and wherein said pressure manipulation chamber is connected in a flow-communicating manner to the following channels:
at least one liquid supply channel connecting the pressure manipulation chamber to said liquid source, the liquid supply channel including at least one first check valve for allowing liquid flow only to the pressure manipulation chamber;
at least one liquid discharge channel connecting the lower chamber portion of the pressure manipulation chamber to said liquid receiving region, the liquid discharge channel including at least one second check valve for allowing liquid flow only from the pressure manipulation chamber;
at least one gas supply channel connecting the pressure manipulation chamber to at least one gas source containing a pressurized manipulation gas, the gas supply channel including at least one first control valve structured for selective introduction of manipulation gas into the pressure manipulation chamber, and also for regulation of the pressure (Pchamber) of the gas therein; and
at least one gas discharge channel leading out of the upper chamber portion of the pressure manipulation chamber, the gas discharge channel including at least one second control valve structured for selective discharge of manipulation gas from the pressure manipulation chamber, and also for regulation of the pressure (Pchamber) of the gas therein; and

wherein the method further comprises the following steps:
(A) directing manipulation gas out of the pressure manipulation chamber and also lowering the gas pressure (Pchamber) therein to a lower pressure (Plower) at which a resulting pressure difference (Psource-Plower) drives the liquid from the liquid source and into the pressure manipulation chamber via the liquid supply channel;
(B) filling the liquid up to an upper liquid level in the pressure manipulation chamber;
(C) directing manipulation gas into the pressure manipulation chamber and increasing the gas pressure (Pchamber) therein to an upper pressure (Pupper) at which a resulting pressure difference (Pupper-Preceiving) drives the liquid from the pressure manipulation chamber and onwards to the receiving region via said liquid discharge channel;
(D) driving the liquid down to a lower liquid level in the pressure manipulation chamber; and
(E) repeating steps (A)-(D), the course of which represents one operating cycle, thereby maintaining the pumping of liquid from the liquid source and onwards to the receiving region via the pressure manipulation chamber.
21. The method according to claim 20, wherein the method also comprises:
connecting said liquid supply channel in a flow-communicating manner to at least one water production formation connected to the well, the water production formation thus constituting said liquid source; and
connecting said liquid discharge channel in a flow-communicating manner to the surface of the well, the surface thus constituting the receiving region for water emanating from the water production formation.
22. The method according to claim 20, wherein the method also comprises:
connecting said liquid supply channel in a flow-communicating manner to at least one oil production formation connected to the well, the oil production formation thus constituting said liquid source; and
connecting said liquid discharge channel in a flow-communicating manner to the surface of the well, the surface thus constituting the receiving region for oil emanating from the oil production formation.
23. The method according to claim 21, wherein the method also comprises:
using a gas discharge channel comprising at least one gas bleed channel and filling it with manipulation gas for selective discharge of lift gas into said liquid discharge channel, whereby a gas pressure gradient is present in the gas bleed channel, whereas a liquid pressure gradient is present in the liquid discharge channel;
by means of said gas bleed channel, connecting the upper chamber portion of the pressure manipulation chamber in a flow-communicating manner to a shallower depth level in the liquid discharge channel where the liquid has a liquid pressure (Pshallower); and
selecting said shallower depth level at a depth where the liquid pressure (Pshallower), via the gas pressure gradient in the gas bleed channel, results in said lower gas pressure (Plower) in the pressure manipulation chamber, insofar as the lower gas pressure (Plower) is substantially smaller than a corresponding liquid pressure at the same level in the liquid discharge channel;
whereby the difference between the densities of the manipulation gas and the liquid is utilized to provide the lower gas pressure (Plower) in the pressure manipulation chamber; and
whereby the pumping device is structured to selectively direct manipulation gas into the liquid discharge channel as lift gas for the liquid.
24. The method according to claim 20, wherein said gas source is comprised of at least one of the following gas sources:
a gas source at the surface; and
a gas source in a subsurface formation.
25. The method according to claim 20, wherein the method also comprises:
connecting said liquid supply channel in a flow-communicating manner to a water-containing liquid in at least one hydrocarbon-water-separator located in the well, the separator constituting said liquid source;
wherein said separator is connected in a flow-communicating manner to a hydrocarbon- and water-containing production flow emanating from at least one production formation connected to the well; and
wherein the separator is structured so as to be able to at least separate said production flow into said water-containing liquid and into a hydrocarbon-containing liquid;
connecting the hydrocarbon-containing liquid in the separator in a flow-communicating manner to at least one production channel for production of the hydrocarbon-containing liquid; and
connecting said liquid discharge channel in a flow-communicating manner to at least one disposal formation connected to the well, the disposal formation constituting said receiving region for separated, water-containing liquid emanating from the separator.
26. The method according to claim 25, wherein the method also comprises:
using a gas discharge channel comprising at least one gas bleed channel and filling it with manipulation gas for selective discharge of lift gas into said production channel, whereby a gas pressure gradient is present in the gas bleed channel, whereas a liquid pressure gradient is present in the production channel;
by means of said gas bleed channel, connecting the upper chamber portion of the pressure manipulation chamber in a flow-communicating manner to a shallower depth level in the production channel where the hydrocarbon-containing liquid has a liquid pressure (Pshallower); and
selecting said shallower depth level at a depth where the liquid pressure (Pshallower), via the gas pressure gradient in the gas bleed channel, results in said lower gas pressure (Plower) in the pressure manipulation chamber, insofar as the lower gas pressure (Plower) is substantially smaller than a corresponding liquid pressure at the same level in the production channel;
whereby the difference between the densities of the manipulation gas and the hydrocarbon-containing liquid is utilized to provide the lower gas pressure (Plower) in the pressure manipulation chamber; and
whereby the pumping device is structured to selectively direct manipulation gas into the production channel as lift gas for the hydrocarbon-containing liquid.
27. The method according to claim 25, wherein said gas source is comprised of at least one of the following gas sources:
a gas source at the surface;
a gas source in a subsurface formation; and
a gas source in the form of gas separated from the hydrocarbon- and water-containing production flow emanating from said production formation.
28. The method according to claim 25, wherein said at least one hydrocarbon-water-separator comprises at least one cyclone separator.
29. The method according to claim 25, wherein said at least one hydrocarbon-water-separator comprises at least one gravity separator.
30. The method according to claim 29, further comprising the step of locating the gravity separator, which is comprised of a horizontal gravity separator, in a horizontal portion of the well.
31. The method according to claim 25, further comprising the step of locating the pressure manipulation chamber at a distance from the at least one separator.
32. The method according to claim 25, wherein the at least one disposal formation is situated shallower than the production formation.
33. The method according to claim 25, wherein the at least one disposal formation is situated deeper than the production formation.
34. The method according to claim 25, wherein the at least one disposal formation comprises at least one disposal layer in the production formation.
35. The method according to claim 20, further comprising the step of locating the pressure manipulation chamber in a pipe in the well.
36. The method according to claim 20, further comprising the step of locating the pressure manipulation chamber on the outside of a pipe in the well.
37. The method according to claim 20, further comprising the step of locating the pressure manipulation chamber in an annulus in the well.
38. The method according to claim 20, further comprising the steps of:
locating at least two of said pumping devices in the well, wherein each pumping device includes at least one pressure manipulation chamber;
structuring the pumping devices for cooperative pumping of liquid from said liquid source and onwards to said receiving region; and
arranging the pumping devices with a phase-lagged operating cycle relative to each other, whereby a smoother induction and pumping of liquid is achieved.
39. The method according to claim 37, further comprising the step of connecting at least two pumping devices in parallel.
40. The method according to claim 37, further comprising the step of connecting at least two pumping devices in series.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A method for combustion in a heating furnace of a fuel and an oxidant including gaseous oxygen, wherein the fuel and oxidant are supplied to a burner head, said method comprising the steps of: injecting fuel and oxidant via the burner head through at least two pairs of nozzles, wherein a single pair of nozzles is defined by a separate fuel nozzle and a separate oxidant nozzle; uniformly distributing the nozzles of the nozzle pairs over o burner head surface facing into the furnace and within the outer circumference the burner head; and positioning an oxidant nozzle on each side of a fuel nozzle.
2. A method according to claim 1, including the steps of: providing an additional nozzle to serve as a starting nozzle, wherein fuel and oxidant are discharged through concentric channels provided in the starting nozzle; and supplying fuel and oxidant to the starting nozzle until the furnace has reached an autoignition temperature of a mixture of the fuel and the oxidant.
3. A method according to claim 1, including the step of positioning respective fuel nozzles and respective oxidant nozzles of the nozzle pairs along two respective mutually perpendicular diameters of the burner head.
4. A method according to claim 2, including the step of positioning the starting nozzle adjacent the center of the burner head.
5. A method according to claim 1, including the step of providing a gaseous oxidant having an oxygen content of at least 80 vol %.
6. A method according to claim 5, wherein the oxidant is supplied at an overpressure of at least 1 bar.
7. A method according to claim 1, wherein the fuel is fuel oil.
8. A method according to claim 1, wherein the fuel is at least one of natural gas and propane.
9. A burner for combustion in a heating furnace of a fuel with an oxidant including gaseous oxygen, said burner comprising: a burner head to which fuel and oxidant are supplied; at least two pairs of nozzles provided in the burner head, wherein a single nozzle pair is defined by a separate fuel nozzle and a separate oxidant nozzle, wherein the nozzles of the nozzle pairs are uniformly distributed over a burner head surface facing into the furnace and within an outer circumference of the burner head, and wherein an oxidant nozzle is positioned on each side of a fuel nozzle.
10. A burner according to claim 9, wherein the burner head includes an additional nozzle that serves as a starting nozzle, the starting nozzle having respective concentric channels for fuel and oxidant, wherein the starting nozzle is supplied with fuel and oxidant until the furnace has reached the autoignition temperature of a mixture of the fuel and the oxidant.
11. A burner according to claim 9, wherein respective fuel nozzles and respective oxidant nozzles of the nozzle pairs are positioned along two respective mutually perpendicular diameters of the burner head.
12. A burner according to claim 9, wherein the discharge openings of the fuel and the oxidant nozzles are outlets of laval nozzles.