About 14 results
https://drivepatents.com/patents/1382171 · 7 May 2026
A rocker arm assembly operable in a cylinder deactivation mode includes a valve portion, a drive cam portion, and a recharge cam portion. The valve portion is configured to operatively engage with one or more valves of a cylinder. The drive cam portion com...
https://drivepatents.com/patents/1379332 · 12 Mar 2026
An engine system including an engine block. The engine block including a plurality of cylinders defining a plurality of combustion chambers each comprising one of a cylinder head and a piston. Each of the plurality of cylinder heads includes an exhaust val...
https://drivepatents.com/patents/946346 · 10 Feb 2016
An internal combustion engine includes a plurality of cylinders, intake valves (31) provided respectively in the cylinders, and a variable valve mechanism (600) for changing a valve characteristic of the intake valves (31). A motor (210) drives the variabl...
https://drivepatents.com/patents/951385 · 8 Apr 2015
The invention relates to an assembly of an intake (3) and exhaust (4) camshaft system for selective opening and closing of intake and exhaust valves of each cylinder of an engine and a hydraulic rotary distributor (6) for rotating deactivation of at least ...
https://drivepatents.com/patents/967971 · 29 Oct 2014
The invention relates to a combustion engine of a motor vehicle comprising a device for modifying the behavior of valves (100, 115, 116, 117, 410) in which a control wheel (115) undergoes a displacement in a longitudinal direction relative to the camshaft ...
https://drivepatents.com/patents/981248 · 4 Dec 2013
The inventive adjustment of the exhaust valve opening prior to the shutdown of a selected cylinder of a multi-cylinder internal combustion engine allows controlling the amount of exhaust gas to remain in the cylinder. The mass of exhaust gas left in the cy...
https://drivepatents.com/patents/1073863 · 21 Sep 2005
A system and method to control engine valve timing to improve the start of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions during the start of an internal combustion engine.
https://drivepatents.com/patents/1083519 · 29 Sep 2004
Object: To provide a throttle body that allows an engine including a throttle control device to be built compactly. Solving Means: The invention relates to a throttle body (14) for controlling a throttle valve(20)in a multi-cylinder engine (1) by means of ...
https://drivepatents.com/patents/1086127 · 23 Jun 2004
Control device for gas exchange valves of a combustion engine with which different valve strokes are to be generated. The constituent individual components are provided with special centering and alignment aids to ensure they are exactly joined together. A...
https://drivepatents.com/patents/1088091 · 14 Apr 2004
The motor vehicle internal combustion engine electromechanical valve drive control has a processor (30) with a receiver (34) for information (R,Cbrut, G, T, Q; C.V.) relating to the engine function and vehicle operation. The processor has a control (38) fo...