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| Number | Title | Issue Date |
| 6959692 | Computer controlled engine valve operation An electronic valve actuation system and control method is described. The valve timing is changed between early and late intake valve closing depending on engine operating conditions. Further, valve timing is adjusted to control engine airflow or engine torque. Fina... | 11/01/2005 |
| 6679233 | Start-up method for an internal combustion engine An internal combustion engine and a method of operating said engine, the engine having a plurality of cylinders (3,4,5) each respectively supporting a piston (6) therein, a fuel injection system (2) including a plurality of selectively operable delivery i... | 01/20/2004 |
| 6298825 | Method for igniting a multi-cylinder reciprocating gas engine by injecting an ignition gas An ignition method for a multi-cylinder reciprocating gas engine wherein, in order to start a combustion cycle, a compressed, substantially homogeneous and not self-igniting combustion gas-air mixture contained in the corresponding cylinder chamber to be ... | 10/09/2001 |
| 5666928 | Compressed gas supply The present invention relates to a compressed gas supply system in an internal combustion engine which may be used for example for an air-assisted or an air-driven fuel injector.... | 09/16/1997 |
| 5390647 | Air charging valve for an air forced fuel injector A air charging valve for use with a air forced fuel injection system. The charging valve admitting and storing compressed air from the engine cylinder and releasing it into the fuel injector to force out the air/fuel mixture into the engine cylinder. The ... | 02/21/1995 |
| 5189993 | In-line three cylinder combustion engine An internal combustion engine of the in-line type which has sets of cylinders in which a full-sized chamber is aligned between a pair of half-sized power chambers. Sets of pistons movable in corresponding ones of the cylinders define the chambers within t... | 03/02/1993 |
| 5048489 | Hydraulically operated valve with controlled lift A hydraulically operated valve with controlled lift, in particular a fuel/gas injection valve for internal combustion engines, has a stop face fixed on the valve stem. For accurate control of the opening of the valve a stop cam is provided, which is drivn... | 09/17/1991 |
| 5027765 | Method of pneumatic injection of fuel into a cylinder of a reciprocating internal combustion engine and a corresponding injection device Scavenging a cylinder of an engine with fuel-free fresh air and injection with atomized liquid fuel by a pressurized gas are accomplished independently, at specific moments during by the operating cycle of the engine. The fuel is atomized and injected int... | 07/02/1991 |
| 4936279 | Pressurizing a gas injection type fuel injection system A fuel injected internal combustion engine and a method of operating same, the engine having a fuel injection system wherein fuel is injected through a selectively openable injector nozzle directly into a combustion chamber of the engine by gas from a pre... | 06/26/1990 |
| 4903649 | Fuel supply system with pneumatic amplifier A fuel control system for an internal combustion engine includes means for pneumatically amplifying sensed air flow pressure differential through an air intake venturi between a first combustion air pressure sensor outside the venturi and a second combust... | 02/27/1990 |
| 4862857 | Fuel injection system for multi cylinder two-stroke engine Disclosed herein is an internal combustion engine comprising first and second cylinders respectively including head ends and side walls, first and second pistons respectively reciprocably movable in the first and second cylinders between top dead center a... | 09/05/1989 |
| 4840148 | Two cycle engine with low pressure crankcase fuel injection A two cycle internal combustion engine is provided with a fuel system including a low pressure fuel pump (204) and solenoid valve (206) supplying and metering fuel to the engine crankcase through a fuel line, without a carburetor, without a high pressure ... | 06/20/1989 |
| 4716877 | Device and method for injecting fuel into an engine, assisted by compressed air or gas A device and method are provided for the pneumatic injection of fuel into an engine. The device comprises at least one auxiliary duct having two ends one of which is connected to an exhaust pipe and the other to an injection member.... | 01/05/1988 |
| 4628888 | Device and method for injecting fuel into an engine, assisted by compressed air or gas A device and method are provided for the pneumatic injection of fuel into an engine. The device comprises at least one auxiliary duct having two ends one of which is connected to an exhaust pipe and the other to an injection member.... | 12/16/1986 |
| 4108136 | Internal combustion engine control system An apparatus and method for improving the combustion process of an internal combustion engine is disclosed. A prechamber containing a combustible mixture is designed to generate a torch eminating therefrom upon ignition; the torch is controlled to extend ... | 08/22/1978 |
| 4033302 | Four-stroke, multicylinder, spark ignition, fuel injection internal combustion engine A four-stroke multicylinder internal combustion engine having first and second cylinders in which combustion takes place in alternation in the cylinders at intervals of 360° of crankshaft revolution. A duct connects the working spaces of the cylinders fo... | 07/05/1977 |
