About 73 results
https://drivepatents.com/patents/1093704 · 27 Aug 2003
Four-stroke Otto engine comprises one or two inlet valves and one outlet valve per cylinder. The valves of a common camshaft are operated by one adjusting device. The Otto engine is designed so that during early adjustment of the camshafts it operates in a...
https://drivepatents.com/patents/1094227 · 6 Aug 2003
The method involves retarding the opening of the intake valve so that the intake valve opens after top dead center of the piston. An Independent claim is included for the four-stroke, direct-injection gasoline engine.
https://drivepatents.com/patents/1095871 · 21 May 2003
A cam phase control apparatus (1) for an internal combustion engine (3) is provided for improving the controllability in a transient state in which an actual cam phase converges to a target cam phase to accurately and readily identify model parameters even...
https://drivepatents.com/patents/1097170 · 2 Apr 2003
Process for the controlled operation of a combustion engine comprises monitoring and evaluating the progress of the combustion by measuring relevant parameters selected from start of combustion, combustion duration and combustion rate, and controlling the ...
https://drivepatents.com/patents/1097428 · 19 Mar 2003
A control system (19, 20, 30, 40) for an internal combustion engine is provided which comprises a compression ratio control mechanism (19) and a control unit (40) for controlling the compression ratio control mechanism. The control unit including an accele...
https://drivepatents.com/patents/1098829 · 22 Jan 2003
Air in the intake (1) enters the engine (10) between the choke (6) and engine cylinder head (11) and the engine (10) is switched off via camshaft-controlled system into a prefered position so the combustion space (20) inlet and outlet valves (13) are open ...
https://drivepatents.com/patents/1099079 · 15 Jan 2003
An engine-turbocharger unit (1) for a vehicle, in particular an industrial vehicle, having an internal combustion engine (2); a decompression brake device (6); and a turbocharger (3) in turn having a variable-geometry turbine (7) driven by the exhaust gas ...
https://drivepatents.com/patents/1099412 · 8 Jan 2003
An engine control system for use with an internal combustion engine includes a two-step switching device associated with each intake valve. The two-step switching device is switchable between a high-lift position and a low-lift position. A cam phaser is as...
https://drivepatents.com/patents/1099636 · 18 Dec 2002
A control system of an internal combustion engine is comprised of an operation angle adjustment mechanism (10) which continuously varies an operation angle of intake valves of the engine, an air-fuel ratio detector (56, 58) which detects an exhaust paramet...
https://drivepatents.com/patents/1100998 · 16 Oct 2002
The internal combustion engine has at least 2 overhead camshafts (4,5), especially for inlet and exhaust valves. Holders (19,20) for control valves (15,16) are in the form of separate flange holders with an insertion bore on the cylinder head directly abov...