Author: claimsbot

1. An apparatus comprising:
a spray valve used as part of a dosing valve assembly, the spray valve including:
a valve body having a lower tapered portion and an aperture;
a valve needle movably disposed in the aperture of the valve body, the valve needle having a tapered portion;
an upper surface formed as part of the tapered portion;
a lower surface formed as part of the lower tapered portion, the upper surface and lower surface forming an angled interface; and
wherein a reducing agent flows through the spray valve such that pressure builds between the upper surface and the lower surface, placing the spray valve in an open position, allowing the fuel to pass through the angled interface, delivering the reducing agent to at least a portion of an exhaust system.
2. The apparatus of claim 1, the dosing valve assembly further comprising:
a control valve assembly;
a fuel injector being part of the control valve assembly; and
a spray valve assembly, the spray valve being part of the spray valve assembly;
wherein the fuel injector releases a predetermined quantity of the reducing agent from the control valve assembly such that the reducing agent flows from the control valve assembly to the spray valve assembly.
3. The apparatus of claim 2, the spray valve assembly further comprising:
a body portion having an inlet for receiving the reducing agent from the control valve assembly;
a circumferential lip integrally formed with the body portion;
an exhaust boss having a flange;
a mounting clip having upper flanges and lower flanges, the circumferential lip and the flange at least partially disposed between the upper flanges and lower flanges, connecting the exhaust boss to the body portion; and
a channel formed as part of the exhaust boss, the body portion at least partially disposed in the channel formed as part of the exhaust boss.
4. The apparatus of claim 3, the exhaust boss further comprising;
a central portion, the flange integrally formed with the central portion; and
an enlarged base portion integrally formed with the central portion, at least a portion of the channel formed as part of the exhaust boss extending through the enlarged base portion and the central portion.
5. The apparatus of claim 3, further comprising a capillary delivery tube connected to the inlet of the body portion and the fuel injector such that the fuel injector transfers the reducing agent to the inlet of the body portion through the capillary delivery tube.
6. The apparatus of claim 1, the spray valve further comprising:
a spring clip disposed in a groove formed as part of the valve needle; and
a spring disposed in the aperture of the valve body in an area between the spring clip and a lower ledge formed as part of the valve body such that the spring applies a biasing force to the spring clip and the lower ledge to bias the valve needle toward a closed position;
wherein the reducing agent flows into the spray valve such that pressure builds between the upper surface and the lower surface, overcoming the biasing force applied to the valve needle, placing the spray valve in the open position.
7. The apparatus of claim 1, the valve needle further comprising at least one deformation in sliding contact with the inside surface of the aperture formed as part of the valve body, reducing the contact area between the valve needle and the valve body.
8. The apparatus of claim 1, wherein the reducing agent is a fuel.
9. A dosing valve assembly, comprising:
a control valve assembly;
a spray valve assembly;
a spray valve which is part of the spray valve assembly;
a valve body having a lower tapered portion, the valve body being part of the spay valve;
a valve needle having a tapered portion, the valve needle being part of the spray valve, the valve needle slidably disposed within the valve body to change the spray valve between an open position and a closed position;
an upper surface integrally formed with the tapered portion;
a lower surface integrally formed with the lower tapered portion such that the upper surface is in proximity to the lower surface, forming an angled interface; and
wherein a reducing agent flows through the spray valve to the angled interface such that pressure builds between the upper surface and the lower surface, placing the spray valve in an open position, allowing the fuel to pass through the angled interface, delivering the reducing agent to at least a portion of an exhaust system.
10. The dosing valve assembly of claim 9, the spray valve assembly further comprising:
a mounting clip;
at least one upper flange formed as part of the mounting clip;
at least one lower flange formed as part of the mounting clip;
a body portion;
a circumferential lip formed as part of the body portion; and
an exhaust boss having a flange adjacent the circumferential lip;
wherein the circumferential lip and the flange are adjacent one another, and disposed between the at least one upper flange and the at least one lower flange, connecting the exhaust boss to the body portion.
11. The dosing valve assembly of claim 10, further comprising:
a fuel injector, the fuel injector being part of the control valve assembly;
an inlet formed as part of the body portion; and
a capillary delivery tube connected to the fuel injector and the inlet for placing the spay valve assembly in fluid communication with the fuel injector.
12. The dosing valve assembly of claim 9, the exhaust boss further comprising:
a central portion;
an enlarged base portion integrally formed with the central portion; and
a channel extending through the central portion and the enlarged base portion, the body portion at least partially extending through the channel;
wherein the enlarged base portion is mounted to an exhaust manifold such that the spray valve selectively injects the reducing agent into the exhaust manifold.
13. The dosing valve assembly of claim 9, the spray valve further comprising:
a spring clip;
a lower ledge integrally formed with the valve body; and
a spring disposed inside the valve body between the spring clip and the lower ledge such that the spring is in compression and circumscribes the valve needle, biasing the valve needle toward a closed position;
wherein as the reducing agent flows through the spray valve such that pressure builds between the upper surface and the lower surface, the valve needle moves, placing the spray valve in the open position.
14. The dosing valve assembly of claim 9, further comprising at least one deformation in sliding contact with the inside surface of an aperture formed as part of the valve body, reducing the contact area between the valve needle and the valve body.
15. A dosing valve assembly, comprising:
a control valve assembly;
a fuel injector, the fuel injector being part of the control valve assembly;
a spray valve assembly having a spray valve which includes a valve needle and a valve body which includes an aperture, the valve needle movably disposed within the aperture of the valve body;
a capillary delivery tube for placing the fuel injector in fluid communication with the spray valve assembly;
a tapered portion formed as part of the valve needle;
an upper surface formed as part of the tapered portion;
a lower tapered portion formed as part of the valve body of the spray valve;
a lower surface formed as part of the lower tapered portion; and
an angled interface formed by the upper surface and the lower surface which a reducing agent passes through when the spray valve is in an open position;
wherein the spray valve assembly delivers the reducing agent to at least a portion of an exhaust system.
16. The dosing valve assembly of claim 15, the spray valve assembly further comprising:
a mounting clip having upper flanges and lower flanges;
a body portion having an inlet, the capillary delivery tube connected to the inlet, the spray valve being at least partially disposed in the body portion;
a exhaust boss having a channel and a flange, the body portion at least partially disposed in the channel; and
a circumferential lip formed as part of said body portion and adjacent the flange such that the upper flanges and the lower flanges at least partially surround and contact the circumferential lip and the flange.
17. The dosing valve assembly of claim 15, the exhaust boss further comprising:
a central portion, the flange integrally formed with the central portion; and
an enlarged base portion integrally formed with the central portion, the channel of the exhaust boss extending through both the central portion and enlarged base portion, and the enlarged base portion is mounted to an exhaust manifold such that the spray valve selectively delivers the reducing agent to the exhaust manifold.
18. The dosing valve assembly of claim 15, the spray valve further comprising:
a spring clip disposed in a groove formed as part of the valve needle; and
a spring disposed in the aperture of the valve body in an area between the spring clip and a lower ledge formed as part of the valve body such that the spring applies a biasing force to the spring clip and the lower ledge to bias the valve needle toward a closed position;
wherein the valve body is at least partially disposed in the channel of the exhaust boss, the valve needle disposed in the valve body.
19. The dosing valve assembly of claim 18, wherein the reducing agent is a fuel which flows into the spray valve from the control valve assembly such that pressure builds between the upper surface and the lower surface, overcoming the biasing force applied to the valve needle, placing the spray valve in an open position, allowing the fuel to pass through the angled interface.
20. The dosing valve assembly of claim 15, the valve needle further comprising a plurality of deformations, each of the plurality of deformations contacting a different area of the inside surface of the aperture formed as part of the valve body, reducing the contact area between the valve needle and the valve body.

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 compound of the formula:
wherein R1 is H or C1-6 alkyl or C2-6 alkenyl; and R2 is H or C1-6 alkyl or C2-6 alkenyl.
2. The compound according to claim 1, wherein R1 is methyl and R2 is methyl.
3. A method of chemiluminescent labeling of a nucleic acid, said method comprising combining the compound according to claim 1 with a nucleic acid and exposing the combination to UV light.
4. A method of chemiluminescent labeling of a nucleic acid, said method comprising combining the compound according to claim 2 with a nucleic acid and exposing the combination to UV light.

1. A voltage selection circuit, comprising:
cross-coupled circuitry, wherein the cross-coupled circuitry comprises a first positive-channel field effect transistor (PFET) and a second PFET, wherein:
a source of the first PFET is coupled to a first voltage,
a gate of the first PFET is coupled to a second voltage,
a drain of the first PFET is coupled to an input of a header circuitry,

wherein the header device precharges a bit line of a memory cell,
a source of the second PFET is coupled to the second voltage,
a gate of the second PFET is coupled to the first voltage, and
a drain of the second PFET is coupled to the input to the header circuitry; and

diode circuitry, wherein the diode circuitry comprises a third PFET and a fourth PFET, wherein:
a source of the third PFET is coupled to the first voltage,
a gate of the third PFET is coupled to the input to the header circuitry,
a drain of the third PFET is coupled to the input to the header circuitry,
a source of the fourth PFET is coupled to the second voltage,
a gate of the fourth PFET is coupled to the input to the header circuitry, and
a drain of the fourth PFET is coupled to the input to the header circuitry.
2. The voltage selection circuit of claim 1, wherein, responsive to the first voltage being greater than the second voltage by a voltage threshold, the first voltage is applied to the header circuitry in order to precharge the bit line of the memory cell.
3. The voltage selection circuit of claim 2, wherein, responsive to the first voltage being greater than the second voltage by the voltage threshold, the first voltage deactivates the second NTT thereby preventing the second voltage from passing to the header circuitry.
4. The voltage selection circuit of claim 1, wherein, responsive to the second voltage being greater than the first voltage by a voltage threshold, the second voltage is applied to the header circuitry in order to precharge the bit line of the memory cell.
5. The voltage selection circuit of claim 4, wherein, responsive to the second voltage being greater than the first voltage by the voltage threshold, the second voltage deactivates the first PFET thereby preventing the first voltage from passing to the header circuitry.
6. The voltage selection circuit of claim 1, wherein, responsive to the first voltage being greater than the second voltage by less than a voltage threshold, the first voltage is applied to the header circuitry in order to precharge the bit line of the memory cell.
7. The voltage selection circuit of claim 6, wherein, responsive to the first voltage being greater than the second voltage by less than the voltage threshold, the first voltage is passed through the third PFET to the header circuitry.
8. The voltage selection circuit of claim 1, wherein, responsive to the second voltage being greater than the first voltage by less than a voltage threshold, the second voltage is applied to the header circuitry in order to precharge the bit line of the memory cell.
9. The voltage selection circuit of claim 8, wherein, responsive to the second voltage being greater than the first voltage by less than the voltage threshold, the second voltage is passed through the fourth PFET to the header circuitry.
10. The voltage selection circuit of claim 1, wherein, responsive to an absolute difference of the first voltage and the second voltage being less than a voltage threshold, both the third PFET and the fourth PFET behave like a diode in analog mode thereby allowing a maximum of the first voltage or the second voltage to be driven down to Vmax minus the voltage threshold.
11. A memory comprising:
a set of memory cells;
a voltage selection circuit coupled to the set of memory cells, wherein the voltage selection circuit comprises:
cross-coupled circuitry, wherein the cross-coupled circuitry comprises a first positive-channel field effect transistor (PFET) and a second PFET, wherein:
a source of the first PFET is coupled to a first voltage,
a gate of the first PFET is coupled to a second voltage,
a drain of the first PFET is coupled to an input of a header circuitry,

wherein the header device precharges a bit line of the set of memory cells,
a source of the second PFET is coupled to the second voltage,
a gate of the second PFET is coupled to the first voltage, and
a drain of the second PFET is coupled to the input to the header circuitry; and

diode circuitry, wherein the diode circuitry comprises a third PFET and a fourth PFET, wherein:
a source of the third PFET is coupled to the first voltage,
a gate of the third PFET is coupled to the input to the header circuitry,
a drain of the third PFET is coupled to the input to the header circuitry,
a source of the fourth PFET is coupled to the second voltage,
a gate of the fourth PFET is coupled to the input to the header circuitry, and
a drain of the fourth PFET is coupled to the input to the header circuitry.
12. The memory of claim 11, wherein, responsive to the first voltage being greater than the second voltage by a voltage threshold, the first voltage is applied to the header circuitry in order to precharge the bit line of the memory cell.
13. The memory of claim 12, wherein, responsive to the first voltage being greater than the second voltage by the voltage threshold, the first voltage deactivates the second PFET thereby preventing the second voltage from passing to the header circuitry.
14. The memory of claim 11, wherein, responsive to the second voltage being greater than the first voltage by a voltage threshold, the second voltage is applied to the header circuitry in order to precharge the bit line of the memory cell.
15. The memory of claim 14, wherein, responsive to the second voltage being greater than the first voltage by the voltage threshold, the second voltage deactivates the first PFET thereby preventing the first voltage from passing to the header circuitry.
16. The memory of claim 11, wherein, responsive to the first voltage being greater than the second voltage by less than a voltage threshold, the first voltage is applied to the header circuitry in order to precharge the bit line of the memory cell and wherein, responsive to the first voltage being greater than the second voltage by less than the voltage threshold, the first voltage is passed through the third PFET to the header circuitry.
17. The memory of claim 11, wherein, responsive to the second voltage being greater than the first voltage by less than a voltage threshold, the second voltage is applied to the header circuitry in order to precharge the bit line of the memory cell and wherein, responsive to the second voltage being greater than the first voltage by less than the voltage threshold, the second voltage is passed through the fourth PFET to the header circuitry.
18. The memory of claim 11, wherein, responsive to an absolute difference of the first voltage and the second voltage being less than a voltage threshold, both the third PFET and the fourth PFET behave like a diode in analog mode thereby allowing a maximum of the first voltage or the second voltage to be driven down to Vmax minus the voltage threshold.
19. An apparatus, comprising:
a processor; and
a memory coupled to the processor, wherein the memory comprises:
a set of memory cells;
a voltage selection circuit coupled to the set of memory cells, wherein the voltage selection circuit comprises:
cross-coupled circuitry, wherein the cross-coupled circuitry comprises a first positive-channel field effect transistor (PFET) and a second PFET, wherein:
a source of the first PFET is coupled to a first voltage,
a gate of the first PFET is coupled to a second voltage,
a drain of the first PFET is coupled to an input of a header circuitry, wherein the header device precharges a bit line of a memory cell,
a source of the second PFET is coupled to the second voltage,
a gate of the second PFET is coupled to the first voltage, and
a drain of the second PFET is coupled to the input to the header circuitry; and

diode circuitry, wherein the diode circuitry comprises a third PFET and a fourth PFET, wherein:
a source of the third PFET is coupled to the first voltage,
a gate of the third PFET is coupled to the input to the header circuitry,
a drain of the third PFET is coupled to the input to the header circuitry,
a source of the fourth PFET is coupled to the second voltage,
a gate of the fourth PFET is coupled to the input to the header circuitry, and
a drain of the fourth PFET is coupled to the input to the header circuitry.
20. The apparatus of claim 19, wherein, responsive to the first voltage being greater than the second voltage by a voltage threshold, the first voltage is applied to the header circuitry in order to precharge the bit line of the memory cell and wherein, responsive to the first voltage being greater than the second voltage by the voltage threshold, the first voltage deactivates the second PFET thereby preventing the second voltage from passing to the header circuitry.
21. The apparatus of claim 19, wherein, responsive to the second voltage being greater than the first voltage by a voltage threshold, the second voltage is applied to the header circuitry in order to precharge the bit line of the memory cell and wherein, responsive to the second voltage being greater than the first voltage by the voltage threshold, the second voltage deactivates the first PFET thereby preventing the first voltage from passing to the header circuitry.
22. The apparatus of claim 19, wherein, responsive to the first voltage being greater than the second voltage by less than a voltage threshold, the first voltage is applied to the header circuitry in order to precharge the bit line of the memory cell and wherein, responsive to the first voltage being greater than the second voltage by less than the voltage threshold, the first voltage is passed through the third PFET to the header circuitry.
23. The apparatus of claim 19, wherein, responsive to the second voltage being greater than the first voltage by less than a voltage threshold, the second voltage is applied to the header circuitry in order to precharge the bit line of the memory cell and wherein, responsive to the second voltage being greater than the first voltage by less than the voltage threshold, the second voltage is passed through the fourth PFET to the header circuitry.
24. The apparatus of claim 19, wherein, responsive to an absolute difference of the first voltage and the second voltage being less than a voltage threshold, both the third PFET and the fourth PFET behave like a diode in analog mode thereby allowing a maximum of the first voltage or the second voltage to be driven down to Vmax minus the voltage threshold.

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 outboard motor fuel controller for controlling an amount of fuel fed to an engine of an outboard motor mounted on a boat, the outboard motor fuel controller comprising:
a deceleration determining section arranged to determine deceleration of the boat;
an engine speed detecting section arranged to detect engine speed;
an engine load detecting section arranged to detect a load on the engine; and
a controller arranged to control the amount of fuel fed to the engine when the boat is in deceleration according to the detected engine speed and engine load; wherein
the deceleration determining section determines that the boat is in deceleration when a) a throttle request value is equal to or less than a predetermined deceleration determining throttle value, b) the engine speed is greater than a predetermined deceleration determining revolution, and c) a predetermined deceleration time limit elapses and conditions a) and b) are still satisfied.
2. The outboard motor fuel controller of claim 1, wherein the controller, when starting control of the fuel amount fed to the engine, is arranged to preset an initial value of a fuel compensation amount according to the engine speed and the engine load.
3. An outboard motor fuel controller for controlling an amount of fuel fed to an engine of an outboard motor mounted on a boat, the outboard motor fuel controller comprising:
a deceleration determining section arranged to determine deceleration of the boat;
an engine speed detecting section arranged to detect engine speed;
an engine load detecting section arranged to detect a load on the engine; and
a controller arranged to control the amount of fuel fed to the engine when the boat is in deceleration according to the detected engine speed and engine load; wherein
the controller, when starting control of the fuel amount fed to the engine, is arranged to preset an initial value of a fuel compensation amount according to the engine speed and the engine load; and
the controller carries out a dividing calculation of the preset initial value of the fuel compensation amount at certain time intervals to obtain an estimated value of the fuel compensation amount.
4. The outboard motor fuel controller of claim 3, wherein the controller determines a compensation factor based on the calculated, estimated value of the fuel control compensation amount and on the engine speed, and determines a final fuel feed amount based on the compensation factor.