About 73 results
https://drivepatents.com/patents/940827 · 6 Jul 2016
Method for controlling continuously variable valve timing (CVVT) including determining whether a CVVT control is started, detecting a position of a cam and a position of a crankshaft when the CVVT control is started, determining whether the cam is controll...
https://drivepatents.com/patents/943826 · 4 May 2016
An engine control device (1) for an engine provided with a supercharger (30), including a cylinder injection valve (11) and a port injection valve (12). The device (1) includes an injection controller (3) that controls injections of fuel through the cylind...
https://drivepatents.com/patents/945061 · 13 Apr 2016
A multi-cylinder internal combustion engine (1) having four cylinders is provided with an EGR device (3) including an EGR cooler (27). The multi-cylinder internal combustion engine has: four exhaust side branch conduits (15) each being provided to each cyl...
https://drivepatents.com/patents/944813 · 13 Apr 2016
A lock determination device for variable valve timing mechanism includes means for detecting an operating position of a variable valve timing mechanism having a function of locking a valve timing of an internal combustion engine in an intermediate position...
https://drivepatents.com/patents/967911 · 5 Nov 2014
A variable valve timing apparatus for an internal combustion engine, including: an actuator (15) that activates a variable valve timing mechanism; a detection unit (35) that detects a driving position of the actuator; a control unit (21) that drive-control...
https://drivepatents.com/patents/973651 · 18 Jun 2014
In order to achieve an intermediate lock state in a short period when an engine is stopped and improve the accuracy of confirmation of the intermediate lock state, an engine valve timing control apparatus includes a variable valve timing mechanism capable ...
https://drivepatents.com/patents/975774 · 23 Apr 2014
The present invention relates to a variable valve timing apparatus including: an actuator housing having a given space portion at the inside thereof; an upper plunger insertedly mounted inside the upper portion of the actuator housing in such a manner as t...
https://drivepatents.com/patents/977426 · 12 Mar 2014
Provided is a valve open/close timing control device including, a drive-side rotating body (1), a driven-side rotating body (2), a fluid pressure chamber (4), a partition portion (22), a fluid control valve part, a first locking mechanism (6) which is capa...
https://drivepatents.com/patents/978367 · 19 Feb 2014
An ECU 70A is associated with an engine 1 provided with a VVT 30 capable of independently setting a phase of an intake valve 2A and a phase of an intake valve 2B of two intake valves 2 mounted for a combustion chamber E. The ECU 70A includes a controller c...
https://drivepatents.com/patents/978964 · 5 Feb 2014
A phase changing device 100A of a camshaft is provided to a dual structure camshaft 10 which is rotated by a driving force input thereto and which includes an inner shaft 11 and an outer shaft 12. The phase changing device 100A of the camshaft includes a p...