About 18 results
https://drivepatents.com/patents/950689 · 27 May 2015
There is provided a valve timing varying mechanism (VTC) to vary a valve timing. An estimated VTC conversion angle VTCNFS is calculated in accordance with a sensed VTC conversion angle VTCNOW (S15¼S19). At the time of conversion of the VTC conversion angl...
https://drivepatents.com/patents/951643 · 25 Mar 2015
At the time of increasing an actual intake air amount by increasing a valve overlap period of intake and exhaust valves (2; 3), an actual compression ratio is temporarily decreased to be lower than a steady-state target compression ratio. This makes it pos...
https://drivepatents.com/patents/962635 · 4 Mar 2015
In order to solve a problem that in an internal combustion engine in which abnormal combustion (knocking or an accidental fire) of an engine is detected from an ion signal, the setting of an abnormal combustion determination threshold value under a transie...
https://drivepatents.com/patents/980816 · 18 Dec 2013
There is provided a control device of an internal combustion engine that includes a supercharger which is driven by exhaust energy and a variable valve mechanism, the control device including: a valve timing change means that controls the variable valve me...
https://drivepatents.com/patents/981048 · 11 Dec 2013
A control device calculates a maximum amount of increase in an intake pipe pressure in a t obtained by moving a throttle to an opening side at a maximum speed, and calculates a maximum amount of decrease in an intake pipe pressure in the t obtained by movi...
https://drivepatents.com/patents/981597 · 27 Nov 2013
An ECU 70A is applied to an internal combustion engine 50 of in-cylinder injection type equipped with a fuel injection valve 56 that injects fuel into a combustion chamber E, an intake valve 54 and an exhaust valve 55 provided for the combustion chamber E,...
https://drivepatents.com/patents/991496 · 24 Apr 2013
An intake variable valve operating mechanism (44) is included, which has a hydraulic type variable phase mechanism that regulates a rotation phase of an intake cam, and an electric type variable lift amount mechanism that regulates a lift amount and an ope...
https://drivepatents.com/patents/991460 · 24 Apr 2013
Provided is a control apparatus for an internal combustion engine, which can increase ambient temperatures in a cylinder and an intake system during execution of a fuel cut, thereby ensuring ignitability of fuel successfully at a return from the fuel cut. ...
https://drivepatents.com/patents/992832 · 13 Feb 2013
The present invention has an object to enable a torque as required to be realized without being influenced by an operation state of an IN-VVT, which is a variable valve timing mechanism which changes a valve timing of an intake valve. For this purpose, a c...
https://drivepatents.com/patents/1006731 · 28 Dec 2011
In a control device for an internal combustion engine which estimates a future cylinder inside air quantity by delaying an operation of a throttle, responsiveness of the internal combustion engine and estimation precision of the cylinder inside air quantit...