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| Number | Title | Issue Date |
| 7533656 | Exhaust valve arrangement and a fuel system incorporating an exhaust valve arrangement An exhaust valve arrangement for use in a combustion chamber of a compression ignition internal combustion engine, includes a piston which is movable outwardly from the combustion chamber in response to pressure generated within the combustion chamber as a result of... | 05/19/2009 |
| 6913000 | Engine fuel delivery system An engine fuel delivery system is provided to raise the fuel pressure rapidly in the initial stage of engine starting without increasing the cranking load, thereby making it possible to achieve an atomized fuel spray through high-pressure fuel injection, improve the... | 07/05/2005 |
| 6725845 | Fuel injection pump with opposed regulating springs Accordingly, the reader will see that this invention is a fuel injection pump which uses an opposed pair of springs acting in parallel to affect the movement of a piston used to pump fuel. Engine pressure pulses, preferably from an engine cylinder, apply a force on ... | 04/27/2004 |
| 6704639 | Method of calculating engine torque In an engine torque calculation method, basic engine torque TQb is calculated based on an engine rotational speed Ne and a fuel injection amount Q, and the basic engine torque TQb is corrected using a predetermined parameter (e.g., an intake air amount Q)... | 03/09/2004 |
| 6443121 | Hydraulically actuated gas exchange valve assembly and engine using same An engine comprises a housing that defines a hollow piston cavity that is separated from a gas passage by a valve seat. The housing further defines a biasing hydraulic cavity and a control hydraulic cavity. A gas valve member is also included in the engin... | 09/03/2002 |
| 6227152 | Internal combustion engine There is described an internal combustion engine comprising at least one cylinder and a crankcase (5), which together with the cylinder forms a common, circular cylindrical tubular body (1), and comprising an oscillating piston (7) rotatably mounted about... | 05/08/2001 |
| 6227174 | Plunger-activated unit injector for internal combustion engines An electronically controlled unit injector for internal combustion engine. The unit injector is mounted on a cylinder and has a plunger that extends into the combustion chamber. Fuel flow through the unit injector is accomplished by the plunger, which mov... | 05/08/2001 |
| 6199541 | Internal ram fuel delivery The Internal Ram Fuel Delivery (IRFD) is a means for utilizing the movement of a reciprocating piston within an internal combustion engine, in conjunction with a secondary piston, or ram, to deliver fuel in the form of a liquid, gas, or an air mixture int... | 03/13/2001 |
| 6050244 | Injector system for free-piston engines An injector system adapted for use in a free-piston engine, includes an injection pump designed in the form of a free-piston pump and having a pump piston accommodated in a cylinder for reciprocating within the cylinder for making a compression stroke fro... | 04/18/2000 |
| 5647325 | Fuel injection device for internal combustion engines A fuel injection device for internal combustion engines comprises a unit injector for each cylinder and a rocker arm driving the pump piston of each injector, the rocker arm consisting of a rigid portion and a spring portion mounted under tension to the r... | 07/15/1997 |
| 5448979 | Dual compression and dual expansion internal combustion engine and method therefor An apparatus and method is provided for a dual compression and dual expansion internal combustion engine (8) that is compact, efficient, and has low combustion noise and emissions. The subject engine (8) includes a low pressure piston assembly (56) recipr... | 09/12/1995 |
| 5286178 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines, having a pump piston that is guided axially and rotationally movably in a cylinder bore of a cylinder liner and that with a face end defines a pump work chamber. The fuel injection pump pumps a quanti... | 02/15/1994 |
| 5083544 | compression-ignition engine, in particular for light aircraft The camshaft of the engine is located centrally and longitudinally in the crankcase, parallel to the crankshaft, and besides operating the valvegear, provides the drive for a fuel injection system of which the pump consists in a number of independent elem... | 01/28/1992 |
| 4058091 | Internal combustion engine of a lean air-fuel mixture combustion type An internal combustion engine of a lean air-fuel mixture combustion type comprising a valve guide and an intake valve supported by the valve guide. A pumping chamber is formed between the inner wall of the valve guide and the outer wall of the valve stem ... | 11/15/1977 |
| 4048971 | Fuel injection system A fuel injection system for an internal combustion engine in which a ram is fixed to and movable with a piston reciprocatively mounted in the cylinder, the ram being provided with a fuel compression chamber having a fuel injection port communicating with ... | 09/20/1977 |
