About 43 results
https://drivepatents.com/patents/1099010 · 15 Jan 2003
The invention relates to a control unit (16) for an internal combustion engine (1) which can activate a three way catalyst (11) at the early stage and can lessen the deterioration of the exhaust in an internal combustion engine such as HC, CO, and NOx, etc...
https://drivepatents.com/patents/1100084 · 27 Nov 2002
An engine control system for diminishing driveline vibrations extracts resonant frequency component coincident in frequency with a driveline resonant vibration according to a gear ratio of a transmission of the driveline from a change in charging efficienc...
https://drivepatents.com/patents/1100257 · 20 Nov 2002
A direct-injection spark-ignition engine in which a combustible mixture is produced around a spark plug at an ignition point by causing a tumble and a fuel spray to collide with each other in a combustion chamber during stratified charge combustion compris...
https://drivepatents.com/patents/1101283 · 2 Oct 2002
To provide a direct-injection spark-ignition engine with the turbo-charging device 1 which attains to promote the temperature rise or activation of the exhaust-gas purification catalyst 16, 17 in the downstream of a turbine in cold start. In engine cold st...
https://drivepatents.com/patents/1102822 · 31 Jul 2002
A method of operating an internal combustion engine (102 having a variable cam timing mechanism 130,132 in cooperation with a plurality of deactivatable cylinders 103 and corresponding intake valves 112 includes the steps of scheduling a transition mode of...
https://drivepatents.com/patents/1102815 · 31 Jul 2002
A method for controlling torque aberrations of an engine, wherein said engine comprises at least one actuator for controlling engine management, generally comprises the steps of a) recording rotating speed data of said engine, b) processing said rotating s...
https://drivepatents.com/patents/1104831 · 2 May 2002
A fuel-injected engine is operated in a compression stroke injection mode or an intake stroke injection mode. The intake flow rate appropriate for the compression stroke injection mode is greater than that of the intake stroke injection mode. When the engi...
https://drivepatents.com/patents/1105035 · 24 Apr 2002
A spark ignited internal combustion engine employs fuel injectors positioned to inject fuel directly into combustion chambers of the engine, and an electronic engine controller (EEC) to control operation of the engine. The EEC implements a routine which co...
https://drivepatents.com/patents/1106232 · 6 Mar 2002
The engine is operated in a first mode, dependent upon air volume supplied to the combustion chamber (1), and a second mode, dependent upon fuel volume (Tl) supplied into the chamber. During transition from first to second operating mode, the ignition poin...
https://drivepatents.com/patents/1107073 · 23 Jan 2002
A revolution number control system 40 comprises ignition timing delay controlling means for delaying ignition timing from the ignition advance amount n at a first prescribed value n2 when the engine revolution number NE is between the first prescribed valu...