About 16 results
https://drivepatents.com/patents/942194 · 8 Jun 2016
The present invention is equipped with: a valve opening/closing timing control mechanism that sets the opening/closing timing of an exhaust valve; and a lock mechanism that holds the rotation phase of the valve opening/closing timing control mechanism in a...
https://drivepatents.com/patents/960421 · 3 Jun 2015
In a case where a driving state is switched from a high load to a low load in a non-turbo charge region and an external EGR is stopped, at a timing T01 at which an EGR control valve (21) is closed, a valve overlap quantity between an intake valve and an ex...
https://drivepatents.com/patents/951953 · 11 Mar 2015
An engine control mechanism includes intake and exhaust valves (11, 10) that opens and closes a combustion chamber (2) of an engine (E) to be driven with gasoline. The engine control mechanism includes: an intake-side VVT (4) including first driving-side a...
https://drivepatents.com/patents/952679 · 14 Jan 2015
Intermediate position feedback control is executed when valve timing of an intake valve is at an intermediate lock position, an intermediate lock is needed, and an engine revolution speed is greater than a first engine revolution speed R1. Forced lock cont...
https://drivepatents.com/patents/974800 · 21 May 2014
Conventional valve timing control is improved upon so that a locking mechanism unit carries out a lock release operation with certainty. A valve timing adjusting system includes a displacement mechanism unit that displaces a rotational phase of a camshaft ...
https://drivepatents.com/patents/974787 · 21 May 2014
Provided is a valve timing adjustment system having improved control for achieving a target rotational phase. The valve timing adjustment system includes: a displacement mechanism unit that displaces a rotational phase of a camshaft relative to a crankshaf...
https://drivepatents.com/patents/981509 · 27 Nov 2013
A variable valve timing control apparatus (100) includes a driving-side rotating member (3), an driven-side rotating member (5), a cam shaft (8), a control valve (124) switching supply and discharge of a working fluid relative to an advanced angle chamber ...
https://drivepatents.com/patents/981959 · 20 Nov 2013
A valve timing control apparatus includes a driving-side rotating member (1), a driven-side rotating member (2), a fluid pressure chamber (4) formed by the driving-side rotating member and the driven-side rotating member and divided into a retarded angle c...
https://drivepatents.com/patents/990926 · 8 May 2013
A valve opening and closing time control apparatus includes; a relative rotation angle control unit performs most delayed angle setting control of setting a relative rotation angle between a driving side rotating body and a driven side rotating body to the...
https://drivepatents.com/patents/1005933 · 25 Jan 2012
In a main crank identification control, a crank angle is identified based on output of a signal corresponding to a reference rotational phase of a crankshaft from a crank sensor. In a cam angle identification control, a predetermined rotational phase of an...