| Patent Number |
Title Of Patent |
Date Issued |
| 7470117 |
Variable discharge fuel pump |
December 30, 2008 |
| A pump has a housing defining a first pumping chamber and a second pumping chamber. The pump also has a first plunger and a second plunger. The pump additionally has at least one driver operatively engaged with at least one of the first and second plungers to move the at least one of the |
| 6802285 |
Engine having a variable valve actuation system |
October 12, 2004 |
| An engine has a cylinder head having a first surface and a second surface spaced from the first surface. A valve is moveably connected to the cylinder head. A rocker arm is connected to the valve, and a rocker shaft having a first location spaced a maximum distance from the cylinder head |
| 6749129 |
Directly controlled fuel injector with sealing against fluid mixing |
June 15, 2004 |
| A fuel injector with a direct control needle valve has a closing hydraulic surface exposed to a control fluid, and an opening hydraulic surface exposed to fuel. The control fluid is different from the fuel. A vented annulus is positioned around the needle valve member between the control |
| 6742728 |
Electrical actuator subassembly with external threads and fuel injector using same |
June 1, 2004 |
| An electrical actuator subassembly, preferably for use in a fuel injector, includes an externally threaded ferromagnetic metallic body, an internally threaded collar, an electrical actuator, an electrical connector, and a plastic cap. In one embodiment, the electrical actuator is a solen |
| 6575137 |
Piston and barrel assembly with stepped top and hydraulically-actuated fuel injector utilizing s |
June 10, 2003 |
| A hydraulically actuated fuel injector has an injector body including a barrel and defining a nozzle chamber, a needle control chamber, and a nozzle outlet that opens to the nozzle chamber. The injector body further includes an actuation fluid inlet and an actuation fluid drain. A barrel |
| 6425375 |
Piston and barrel assembly with stepped top and hydraulically-actuated fuel injector utilizing s |
July 30, 2002 |
| A hydraulically actuated fuel injector has an injector body including a barrel and defining a nozzle chamber, a needle control chamber, and a nozzle outlet that opens to the nozzle chamber. The injector body further includes an actuation fluid inlet and an actuation fluid drain. A barrel |
| 6142394 |
Valve seat for a ball and pin valve member in a hydraulically actuated fuel injector |
November 7, 2000 |
| A hydraulically actuated device comprises a device body defining an inlet passage separated from an outlet passage by a first valve seat and a second valve seat, and a control passage that opens into an area between the first valve seat and the second valve seat. An essentially spherical |
| 6082332 |
Hydraulically-actuated fuel injector with direct control needle valve |
July 4, 2000 |
| A hydraulically actuated fuel injector is disclosed having an injector body defining an actuation fluid inlet, an actuation fluid cavity, a nozzle outlet, and a needle control chamber. An actuator is attached to the injector body and a first valve member is disposed in the injector body |
| 6065450 |
Hydraulically-actuated fuel injector with direct control needle valve |
May 23, 2000 |
| A fuel injection system includes a plurality of hydraulically actuated fuel injectors with direct control needle valves. Each injector has an injector body that defines an actuation fluid inlet, a fuel supply passage and a needle control chamber. A needle valve member is movably mounted |
| 6050496 |
Rotational actuation fluid control valve for a hydraulically actuated fuel injector |
April 18, 2000 |
| An actuation fluid control valve for a hydraulically actuated fuel injector comprises an injector body having an actuation fluid control passage, a low pressure actuation fluid drain passage, and a high pressure actuation fluid supply passage for accepting high pressure actuation fluid i |
| 5983864 |
Jumper tube with improved misalignment capability |
November 16, 1999 |
| A jumper tube with improved misalignment capability comprising a cylindrically shaped receiver portion having a central bore that receives an electronically controlled hydraulically actuated unit fuel injector, an annular groove disposed adjacent each end of the bore, a resilient seal |
| 5833146 |
Valve assembly with coupled seats and fuel injector using same |
November 10, 1998 |
| A valve assembly with coupled seats includes a first body with a first annular valve seat and a pin bore centered about an axis. A second body is attached to the first body and has a second annular valve seat centered about the axis and located in a position opposite to the first annular |
| 5826562 |
Piston and barrell assembly with stepped top and hydraulically-actuated fuel injector utilizing |
October 27, 1998 |
| A hydraulically-actuated piston and barrel assembly includes a barrel defining an actuation fluid cavity and a piston bore, which includes an upper bore and a lower bore. A stepped piston is slidably received in the piston bore and moveable between a retracted position and an advanced |
| 5738075 |
Hydraulically-actuated fuel injector with direct control needle valve |
April 14, 1998 |
| A hydraulically actuated fuel injector includes an injector body having an actuation fluid inlet and a needle control chamber. A hydraulic means within the injector pressurizes fuel in the injector body. The hydraulic means includes an actuation fluid control valve having a solenoid and |
| 5697342 |
Hydraulically-actuated fuel injector with direct control needle valve |
December 16, 1997 |
| A hydraulically actuated fuel injector includes an injector body having a needle control chamber, a nozzle chamber, and a nozzle outlet that opens to the nozzle chamber. Fuel within the injector is hydraulically pressurized during each injection cycle. A needle valve is positioned to |
| 5687693 |
Hydraulically-actuated fuel injector with direct control needle valve |
November 18, 1997 |
| A hydraulically actuated fuel injector includes an injector body having an actuation fluid inlet, an actuation fluid cavity, a nozzle chamber open to a nozzle outlet and a needle control chamber. A hydraulic means within the injector pressurizes fuel in the nozzle chamber. The hydraulic |
| 5682858 |
Hydraulically-actuated fuel injector with pressure spike relief valve |
November 4, 1997 |
| A hydraulically-actuated fuel injector includes an injector body having a nozzle chamber, a nozzle outlet, an actuation fluid inlet, an actuation fluid drain, an actuation fluid cavity and a pressure relief passage extending between the actuation fluid cavity and the actuation fluid |
| 5669355 |
Hydraulically-actuated fuel injector with direct control needle valve |
September 23, 1997 |
| A hydraulically actuated fuel injector includes an injector body having at least one actuation fluid inlet, a needle control chamber, a nozzle chamber, and a nozzle outlet that opens to the nozzle chamber. A hydraulic means within the injector pressurizes fuel in the nozzle chamber. The |
