Author: claimsbot

I claim:

1. A combustion air vent assembly for use with an aperture at the exterior end of a passageway extending through an exterior wall of a building, said assembly comprising in combination:
a) an apertured panel for permitting airflow therethrough;
b) a security grate comprising a rigid apertured plate and adapted to extend across the aperture of the passageway for preventing intrusion through the passageway;
c) at least one bracket adapted to be in and secured to the passageway for retaining said security grate in place; and
d) attaching means adapted to secure said apertured panel and said security grate to one another and to said at least one bracket and in juxtaposed relationship with the aperture at the exterior end of the passageway.
2. The vent assembly as set forth in claim 1 including a panel extending across an aperture at the interior end of the passageway to permit airflow through the passageway and retaining means for securing said panel in place.
3. The assembly as set forth in claim 1 wherein said attaching means comprises carriage bolts.
4. The assembly as set forth in claim 1 wherein said security grate includes a circumferential lip for bearing against the exterior wall.
5. The assembly as set forth in claim 1 wherein said at least one bracket comprises a pair of L-shaped brackets adapted to be disposed on opposed sides of the passageway.
6. The assembly as set forth in claim 3 wherein each of said apertured panel and said security grate includes square holes for penetrably receiving a square in cross-section shank of said carriage bolts.
7. The assembly as set forth in claim 6 wherein said at least one bracket comprises a pair L-shaped of brackets.
8. The assembly as set forth in claim 1 wherein the passageway includes a further aperture disposed in the interior side of the exterior wall and including an air filter adapted to the further aperture and at least one bolt extending from said security grate for engaging and retaining said air filter in place.
9. The assembly as set forth in claim 8 including means for detachably attaching said air filter with said at least one bolt.
10. A method for preventing ingress through a passageway extending through an exterior wall of a building while accommodating flow of combustion air through the passageway, said method comprising the steps of:
a) locating an apertured panel across an opening of the passageway and generally coincident with the exterior surface of the exterior wall;
b) positioning a security grate in juxtaposed relationships with the apertured panel;
c) engaging the apertured panel and the security grate with carriage bolts extending through holes in the apertured panel and in the security grate toward the interior of the exterior wall;
d) preventing rotation of the carriage bolts upon penetrable insertion through the apertured panel and the security grate; and
e) securing each of the carriage bolts to a bracket disposed within and attached to the passageway.
11. A method as set forth in claim 10 wherein the apertured panel includes a peripheral angled flange and including the step of shielding the perimeter of the security grate with the flange.
12. A method as set forth in claim 10 including an air filter extending across the passageway and the step of securing the air filter to the security grate.
13. A method as set forth in claim 10 including the step of displacing the security grate away from the exterior wall with a lip extending from the perimeter of the security grate.
14. A combustion air vent assembly for attachment to a passageway extending through an exterior wall of a building to accommodate a flow of air into the space adjacent the interior surface of the exterior wall, said vent assembly comprising in combination:
a) a security grate adapted to extend across the passageway;
b) at least a pair of brackets adapted to be disposed in and secured to the passageway;
c) attachment means for attaching said security grate to said at least one pair of brackets;
d) an apertured panel; and
e) said apertured panel being attached by said attachment means to and in juxtaposed relationship with and exteriorly of said security grate and generally coincident with the exterior surface of the exterior wall.
15. The vent assembly as set forth in claim 14 wherein said at least one pair of brackets comprises a pair of brackets adapted to be disposed on and attached to opposed sides of the passageway.
16. The vent assembly as set forth in claim 15 wherein said attachment means comprises carriage bolts having a section of shank square in cross-section, said security grate and said apertured panel including a plurality of apertures square in cross-section for receiving and mating with said section of shank to prevent rotation of said carriage bolts relative to said security grate.
17. The vent assembly as set forth in claim 16 wherein said apertured panel is sized relative to said security grate to overlap said security grate.
18. The vent assembly as set forth in claim 15 including an air filter and further attachment means extending from said security grate for securing said air filter across said passageway.
19. A combustion air vent assembly for use with an aperture at the exterior end of a passageway extending through an exterior wall of a building, said assembly comprising in combination:
a) a louvered vent formed from a sheet of cold rolled steel;
b) said vent including a louvered panel;
c) said vent further including top, bottom and side sections extending from said panel; and
d) at least a tab extending from each of opposed ones of said sections, each of said tabs being adapted for mounting said tabs adjacent a sidewall of the passageway.
20. The assembly as set forth in claim 19 including a further section extending from each of said top and bottom sections, each of said further sections being adapted for mounting said further sections in juxtaposed relationship to the exterior wall and adjacent an exterior opening of the passageway.
21. The assembly as set forth in claim 19 wherein each of said tabs is an extension of one of said side sections.
22. The assembly as set forth in claim 21 including a pair of slots in each of said side sections on opposed sides of the respective one of said tabs.
23. The assembly as set forth in claim 19 including at least a pair of bolts extending from said panel and an air filter mountable upon said pair of bolts.
24. The assembly as set forth in claim 23 including means for securing said air filter with said pair of bolts.
25. The assembly as set forth in claim 19 including a support extending from said louvered panel for supporting an air filter at an interior opening of the passageway.
26. The assembly as set forth in claim 25 wherein said support comprises a pair of bolts for penetrable engagement with said air filter.
27. The assembly as set forth in claim 26 including a wingnut in threaded engagement with each of said bolts for retaining said air filter in engagement with said bolts.
28. A method for venting and shielding a passageway extending through an exterior wall of a building, said method comprising the steps of:
a) attaching sections indirectly extending from a louvered panel to the exterior wall;
b) securing tabs extending from the louvered panel to corresponding sidewalls of the passageway; and
c) displacing the louvered panel from the plane of the exterior wall juxtaposed with the first sections by a distance corresponding with second sections extending from the perimeter of the louvered panel, certain of the second sections supporting the corresponding first sections.
29. The method as set forth in claim 28 including the step of supporting an air filter extending across the passageway with bolts extending from the louvered panel.
30. The method as set forth in claim 28 including the step of bending the tabs to locate them adjacent a corresponding wall of the passageway.

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. An apparatus for manufacturing a carbonaceous heat source chip, comprising an extrusion molding machine for extrusion-molding a carbonaceous heat source rod having grooves axially extending on a circumferential surface thereof, a heat insulating material-wrapping device for wrapping the circumferential surface of the carbonaceous heat source rod extruded from said extrusion molding machine in a heat insulating material, said apparatus further comprising:
a hollow pipe forming at least part of a conveying path for transporting the carbonaceous heat source rod continuously extrusion-molded by said extrusion molding machine from said extrusion molding machine to said heat insulating material-wrapping device; and
at least one air amplifier for making an airflow running through said hollow pipe, wherein:
the carbonaceous heat source rod is transported while being dried by using the airflow.
2. The apparatus for manufacturing a carbonaceous heat source chip according to claim 1, wherein said hollow pipe is disposed in a loop-like shape between said extrusion molding machine and said heat insulating material-wrapping device.
3. A method for manufacturing a carbonaceous heat source chip according to claim 1, provided in the conveying path with a first air foil conveyor for delivering the carbonaceous heat source rod extruded from said extrusion molding machine to said hollow pipe and a second air foil conveyor for supplying the carbonaceous heat source rod from said hollow pipe to said heat insulating material-wrapping device.
4. The apparatus for manufacturing a carbonaceous heat source chip according to claim 3, wherein said hollow pipe is disposed in a loop-like shape between said first air foil conveyor and said second air foil conveyor.
5. The apparatus for manufacturing a carbonaceous heat source chip according to claim 1, wherein said at least one air amplifier is disposed at an inlet of said hollow pipe.
6. The apparatus for manufacturing a carbonaceous heat source chip according to claim 1, wherein said at least one air amplifier is disposed in the middle of said hollow pipe.
7. The apparatus for manufacturing a carbonaceous heat source chip according to claim 1, wherein said at least one air amplifier includes a first air amplifier disposed at an inlet of said hollow pipe, for generating an airflow in the inside of said hollow pipe, and a second air amplifier disposed in the middle of said hollow pipe, for increasing the airflow running through said hollow pipe.
8. The apparatus for manufacturing a carbonaceous heat source chip according to claim 1, wherein said at least one air amplifier has a static pressure adjusting hole for discharging part of air to adjust an airflow rate in said hollow pipe.
9. The apparatus for manufacturing a carbonaceous heat source chip according to claim 1, wherein there is provided space between said extrusion molding machine and the conveying path to form slack in the carbonaceous heat source rod supplied from said extrusion molding machine to the conveying path, and wrapping operation speed of said heat insulating material-wrapping device is regulated by control means so that slack length of the carbonaceous heat source rod becomes equal to prescribed length.
10. The apparatus for manufacturing a carbonaceous heat source chip according to claim 1, the apparatus further comprises a movable carrying path that is movable between a connecting position where the movable carrying path is disposed between said extrusion molding machine and the conveying path and a retreating position where the movable carrying path draws away from between said extrusion molding machine and the conveying path, and a cutting device disposed immediately downstream from said extrusion molding machine so as to face the conveying path, wherein:
said movable carrying path is maintained in the retreating position until moisture content and extrusion speed of the carbonaceous heat source rod continuously extruded from said extrusion molding machine become stable so as to be suitable for wrapping operation in said heat insulating material-wrapping device; and
after the moisture content and extrusion speed of the carbonaceous heat source rod become stable, the carbonaceous heat source rod is cut by said cutting device, and subsequently said movable carrying path is located in the connecting position, to thereby start the supply of the carbonaceous heat source rod to said heat insulating material-wrapping device.

1. A method for producing a lithographic pattern comprising the steps of:
using a mask, said mask including one or more materials, each said material corresponding to a material of a structure to be etched, and
transferring the pattern and removing said mask from said structure to be etched in one step.
2. A method for producing a lithographic pattern as recited in claim 1 includes providing an initial structure of said structure to be etched.
3. A method for producing a lithographic pattern as recited in claim 2 wherein the step of using said mask includes depositing said mask onto said initial structure.
4. A method for producing a lithographic pattern as recited in claim 3 wherein said mask includes one or more materials, each said material of said mask corresponding to a material and a material thickness of said initial structure to be etched.
5. A method for producing a lithographic pattern as recited in claim 3 wherein depositing said mask onto said initial structure includes the step of using e-beam lithography for defining lines on said initial structure.
6. A method for producing a lithographic pattern as recited in claim 1 wherein the step of transferring the pattern and removing said mask in one step includes ion-milling said structure to be etched including said mask.
7. A method for producing a lithographic pattern as recited in claim 1 wherein the step of using said mask includes depositing said mask onto said structure to be etched.
8. A method for producing a lithographic pattern as recited in claim 1 wherein the steps of using said mask; and transferring the pattern and removing said mask includes building up of one layer or multiple layers of material of specific thickness on top of a substrate and providing temporal control of an etching process for forming of a desired pattern.
9. A method for producing a lithographic pattern as recited in claim 1 wherein said structure to be etched is a spin valve device and includes the steps of establishing different exchange bias directions by the use of shape anisotropy for an exchange biased component of said spin valve device.
10. A vector magnetic field sensor for measuring an external magnetic field comprising:
a single chip; said single chip having different magnetic reference directions established; and
said different field directions being established on said single chip by using shape anisotropy.
11. A vector magnetic field sensor as recited in claim 10 wherein said single chip includes a free soft ferromagnetic layer.
12. A vector magnetic field sensor as recited in claim 2 wherein said free layer includes a permalloy.
13. A vector magnetic field sensor as recited in claim 10 wherein said single chip includes a separating layer carried by a free layer.
14. A vector magnetic field sensor as recited in claim 13 wherein said separating layer includes a spin valve defined by a non-magnetic metal or tunnel junction defined by an insulator.
15. A vector magnetic field sensor as recited in claim 13 wherein said separating layer includes a tunnel junction defined by an insulator.
16. A vector magnetic field sensor as recited in claim 10 wherein said single chip includes a pinned ferromagnetic layer carried by a separating layer.
17. A vector magnetic field sensor as recited in claim 10 wherein said pinned layer includes a CoFe layer.
18. A vector magnetic field sensor as recited in claim 10 wherein said single chip includes a pinning layer carried by a pinned layer.
19. A vector magnetic field sensor as recited in claim 18 wherein said pinning layer includes a FeMn layer.

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 metering valve for controlling a flow of a molten metal between a first molten metal containing component and a second molten metal containing component, the metering valve comprising:
a first and second vertical sealing plates disposed between the first molten metal containing component and the second molten metal containing component to block the flow of the molten metal between the first and the second molten metal containing components, the first and second sealing plates spaced apart from each other to form a valve chamber between the first and second sealing plates, the valve chamber located external to the first and second molten metal containing components;
a sealing port disposed in each of the first and second sealing plates to allow the flow of the molten metal between the first and the second molten metal containing components through the sealing port in each of the first and second sealing plates; and
a sealing means comprising a sealing element at a first end of a sealing tube for each of the first and second sealing plates, the sealing means selectively inserted in the sealing port in each of the first and second sealing plates to prevent the flow of the molten metal between the first and the second molten metal containing components.
2. The metering valve of claim 1 wherein the sealing port comprises a substantially conically-shaped opening having a generally vertically-oriented axial alignment, the substantially conically-shaped opening connected at its smaller diameter to a first end of a substantially cylindrically and elbow-shaped passage, a second end of the substantially cylindrically and elbow-shaped passage having a generally horizontally-oriented axial alignment, and the sealing element having a generally hemispherical shape for insertion into the substantially conically-shaped opening of the sealing port.
3. A method of controlling a flow of a molten metal between a first molten metal containing component and a second molten metal containing component, the method comprising the steps of:
locating the first molten metal containing component external to the second molten metal containing component;
providing a first and second vertically oriented sealing plates between the first and second molten metal containing components, the first and second sealing plates spaced apart to form a valve chamber;
providing a sealing port in each of the first and second sealing plates to allow the flow of the molten metal through the sealing port; and
selectively sealing the sealing port in each of the first and second sealing plates to prevent the flow of the molten metal through the sealing plates.
4. The method of claim 3 wherein the step of providing a first and second sealing plates further comprises providing for each of the first and second sealing plates a substantially conically-shaped opening in the sealing port, the substantially conically-shaped opening having a generally vertically-oriented axial alignment, the substantially conically-shaped opening connected at its smaller diameter to a first end of a substantially cylindrically and elbow-shaped passage, a second end of the substantially cylindrically and elbow-shaped passage having a generally horizontally-oriented axial alignment, and the step of selectively sealing the sealing port in each of the first and second sealing plates further comprises inserting a generally hemispherically shaped sealing element into the substantially conically-shaped opening of the sealing port.
5. The metering valve of claim 1 wherein the first or second molten metal containing component is a pressurized molten metal containing component.
6. The metering valve of claim 5 wherein the valve chamber is a pressurized chamber.
7. The metering valve of claim 6 wherein the pressurized molten metal containing component is pressurized to the same pressure as the valve chamber.
8. The metering valve of claim 1 wherein the sealing plate and sealing port are an integrally formed component.
9. The metering valve of claim 8 wherein the integrally formed component is cast from a high thermal conductivity ceramic.
10. The metering valve of claim 2 wherein the first or second molten metal containing component is a pressurized molten metal containing component.
11. The metering valve of claim 10 wherein the valve chamber is a pressurized chamber.
12. The metering valve of claim 11 wherein the pressurized molten metal containing component is pressurized to the same pressure as the valve chamber.
13. The metering valve of claim 2 wherein the sealing plate and sealing port are an integrally formed component.
14. The metering valve of claim 13 wherein the integrally formed component is cast from a high thermal conductivity ceramic.
15. The method of claim 3 further comprising the step of pressurizing the first or second molten metal containing component.
16. The method of claim 15 further comprising the step of pressurizing the valve chamber.
17. The method of claim 16 wherein the valve chamber and the first or second molten metal containing component are pressurized to the same pressure.
18. The method of claim 4 further comprising the step of pressurizing the first or second molten metal containing component.
19. The method of claim 18 further comprising the step of pressurizing the valve chamber.
20. The method of claim 19 wherein the valve chamber and the first or second molten metal containing component are pressurized to the same pressure.