About 73 results
https://drivepatents.com/patents/1013057 · 11 May 2011
In a variable valve device for an internal combustion engine, which has a cam phase variable mechanism including a split variable function, when the operation of the internal combustion engine is in a predetermined extremely low speed and load region, the ...
https://drivepatents.com/patents/1013047 · 11 May 2011
it variable valve device for an internal combustion engine includes cam phase variable mechanism for varying a phase difference (split) between first and second, intake cams. Under predetermined operating conditions of the internal combustion engine, the s...
https://drivepatents.com/patents/1066431 · 14 Jun 2006
With a variable valve timing system, engine operability may be lost when performing open control of lift characteristic amounts to the minimum or the maximum of a variable range when a sensor error occurs. The present invention provides a lift operation an...
https://drivepatents.com/patents/1067023 · 31 May 2006
First and second attachment portions 6, 8 are formed integrally with a main body 4 and extend along the longitudinal direction of the main body 4. A hydraulic oil supply portion 14 is formed integrally with the main body 4 and extends along the width, or i...
https://drivepatents.com/patents/1067759 · 3 May 2006
The device for the changing of the timing of gas exchange valves of an internal combustion engine comprises a hydraulic adjusting device with two opposite acting pressure chambers, and a control valve (103) consisting of a valve component (114) and operati...
https://drivepatents.com/patents/1067787 · 3 May 2006
A control system which is capable of enhancing the accuracy of control, when the output of a controlled object is controlled with a control algorithm to which is applied a modulation algorithm based on one of a modulation algorithm, a £ modulation algorit...
https://drivepatents.com/patents/1068232 · 19 Apr 2006
An inter-bank variation detection device of an internal combustion engine provided with a valve opening characteristic setting means (57) for changing the valve opening characteristic of an intake valve (9) for each of the cylinders (#1 to #4) or each of t...
https://drivepatents.com/patents/1069558 · 1 Mar 2006
A combustion engine cam shaft (1, 2) angle setting deviation test procedure uses sensors (4) with wireless link to a controller (5) to check the angle deviation against upper and lower thresholds on first starting and issues a failure warning if it is belo...
https://drivepatents.com/patents/1069609 · 1 Mar 2006
The method is for the determining of the rotational angular position of the camshaft (11) of a reciprocating piston engine in relation to the crankshaft (12). An assessed value is extrapolated for the rotational angle from at least two adjusting shaft rota...
https://drivepatents.com/patents/1069569 · 1 Mar 2006
A control system which controls a control amount via a movable mechanism, such that it is possible to reduce impact occurring when a movable part of the movable mechanism is driven to a limit of the movable range, and time required for the driving, in a co...