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Class 123/404 - Suction operated supply valve lift regulating


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter in which the volume of the charge of combustible
No. of patents: 8
Last issue date: 07/17/2007


NumberTitleIssue Date
7245038Extending fuel economy operating range in gasoline direct injection (GDI) engines
An engine control system for controlling engine operation in high-output (HO) and fuel-economy (FE) modes in a gasoline direct injection (GDI) engine includes an alternator that is driven by the engine and that is regulated by a load control signal. An alternator lo...
07/17/2007
7069903Idle speed control for lean burn engine with variable-displacement-like characteristic
A method is disclosed for controlling operation of a engine coupled to an exhaust treatment catalyst. Under predetermined conditions, the method operates an engine with a first group of cylinders combusting a lean air-fuel mixture and a second group of cylinders pum...
07/04/2006
7019414Alternator load control to extend displacement on demand range
An engine control system controls engine operation in activated and deactivated modes in a displacement on demand engine. The engine control system includes an alternator that is driven by the engine and that is regulated by a load control signal. An alternator load...
03/28/2006
6951199Vacuum generator in combustion engine
A vacuum generator is provided wherein the intake vacuum of a combustion engine is led to a negative pressure device such as a vacuum booster of a brake booster device through a check valve. An idling air passage is connected to a suction pipe of the combustion engi...
10/04/2005
6915775Engine operating method and apparatus
An internal combustion engine includes a plurality of cylinders each having intake and exhaust valves and at least one camshaft timed to operate the valves with a high performance fixed overlap. Each camshaft has a cam phaser controlled to equally vary the intake an...
07/12/2005
6694948Vacuum management system on a variable displacement engine
A vehicle reciprocating piston, variable displacement internal combustion engine arrangement 7 is provided. The arrangement 7 includes a first cylinder group 12. A second selectively deactivatable cylinder group 14 is also provided. A manifold 18 is provi...
02/24/2004
6681729Method and device for controlling a gas fill of cylinders of an internal combustion engine
A method and a device for controlling a gas fill of a plurality of cylinders in an internal combustion engine having variable valve timing, in which a detection signal of a filling sensor is sampled with a sampling rate. Furthermore, a detection interval ...
01/27/2004
4232641Method and device for improving the efficiency of internal combustion engines
A method for improving the efficiency of an internal combustion engine such as a Diesel engine, by ensuring, on the one hand, efficient cylinder scavenging, particularly at light engine loads and/or low speeds, and on the other hand, a reduction of the ef...
11/11/1980
 
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