About 12 results
https://drivepatents.com/patents/984818 · 26 Jun 2013
The invention relates to a mechanical system (1), comprising a support element (10) which includes two bores (25, 26) extending along a first axis (X1), a pin (30) which is fitted in the two bores (25, 26) and comprises two opposite ends (35, 36), each ada...
https://drivepatents.com/patents/998894 · 29 Aug 2012
A valve train device installed in a cylinder head of an engine and driven by a camshaft of the engine includes:a valve unit including an intake valve and an exhaust valve communicated with a combustion chamber of an engine, each of the intake valve and exh...
https://drivepatents.com/patents/1014658 · 23 Mar 2011
A method of determining opening of an intake valve (10) of an internal combustion engine (1), the method including the steps of : determining the time pattern of an intake pressure (P) in an intake manifold (9) of the internal combustion engine (1), the ti...
https://drivepatents.com/patents/1069364 · 8 Mar 2006
To provide a cylinder rest internal combustion engine which does not need a high response performance in operating a throttle valve (TH) and which can eliminate output variations in the case of variations in the number of cylinders. In a cylinder rest inte...
https://drivepatents.com/patents/1083951 · 15 Sep 2004
A method and apparatus for monitoring the position of a variable valve control in a combustion engine having a plurality of cylinders, comprising the followings steps: measuring engine speed over at least one engine cycle for all cylinders included in said...
https://drivepatents.com/patents/1090531 · 7 Jan 2004
A control device for a multicylinder spark-ignition engine includes a flow path switching unit for switching intake and exhaust flow paths between a two-cylinder interconnect configuration and an independent cylinder configuration and an air-fuel ratio con...
https://drivepatents.com/patents/1097344 · 26 Mar 2003
The internal combustion engine is operable with petrol as fuel and self-ignition, involving homogeneous charge compression ignition in a first range and external ignition in a second operating range. It has devices for adjustment of the control times of at...
https://drivepatents.com/patents/1097607 · 12 Mar 2003
The invention avoids an over-rich state which temporarily occurs when a stop valve is switched from an inactive state to an active state. To achieve this, a valve stopping mechanism 53 holds at least one of a plurality of intake valves provided for each cy...
https://drivepatents.com/patents/1099476 · 8 Jan 2003
In a valve-operating system (D) for an internal combustion engine including a main valve lifter (11) lifted and lowered along with a valve (3), a subsidiary valve lifter (12) movable relative to the main valve lifter (11), a cam (15) for a low-speed capabl...
https://drivepatents.com/patents/1099355 · 2 Jan 2003
Object: To provide a high performance four-stroke internal combustion engine wherein increase in side of a cylinder head is prevented and a valve resting mechanism is provided for a valve lifter. Solving Means : In a four-stroke internal combustion engine ...