About 14 results
https://drivepatents.com/patents/940734 · 13 Jul 2016
The present invention comprises an air intake system of an internal combustion engine comprising a variable valve actuation system that continuously variably adjusts a valve lift characteristic of an intake valve; and a control unit configured to be electr...
https://drivepatents.com/patents/1012653 · 25 May 2011
The drive has retaining elements (7, 8) including a radial curved retaining area and formed by an inner wall of a drive housing (4). The retaining elements are completely or partially arranged over a segment of enlacement curves (alpha, beta) of synchronou...
https://drivepatents.com/patents/1077779 · 18 May 2005
A controller for controlling valve timing imbalance between cylinder groups (LS, RS) of an engine (10). For each cylinder group, the controller has a variable mechanism (50) for varying the valve timing. A lock mechanism (90) locks the variable mechanism s...
https://drivepatents.com/patents/1092111 · 5 Nov 2003
A variable stroke engine includes a connecting rod having one end thereof connected to a piston via a piston pin. A sub-rod is connected to a crankshaft via a crankpin and to the other end of the connecting rod. A control rod has one end thereof connected ...
https://drivepatents.com/patents/1098381 · 12 Feb 2003
The internal combustion engine with a toothed belt for transmission of motion from a crankshaft to a camshaft is provided with a capsule type belt cover (9, 10, 11, 12) whose rear (9, 10) and front (11, 12) are divided into bottom and top elements close to...
https://drivepatents.com/patents/1098664 · 29 Jan 2003
In a rockable-cam equipped reciprocating internal combustion engine, a rockable cam is rotatably fitted on the outer periphery of an intake-valve drive shaft that is rotatable in synchronism with rotation of a crankshaft. The rockable cam oscillates within...
https://drivepatents.com/patents/1099064 · 15 Jan 2003
An outboard motor includes an internal combustion engine (2) provided with a pair of intake valves (33a, 33b). The opening and closing operation of one of the intake valves (33a, 33b) can be paused. The internal combustion engine (2) comprises a vertical c...
https://drivepatents.com/patents/1101675 · 18 Sep 2002
A collector equipped intake system of an internal combustion engine, the collector is fixedly connected directly to either of a cylinder-head side wall and a collector mounting bracket hermetically covering perimeters of intake-port opening end portions of...
https://drivepatents.com/patents/1102258 · 28 Aug 2002
A valve drive mechanism includes a generally cylindrically shaped tappet assembly (24) comprising a centre tappet (41) and a side tappet (42). The centre tappet (41) has a circular-arcuate side walls (41c) formed with vertical side shrouds (41d) at opposit...
https://drivepatents.com/patents/1104801 · 2 May 2002
A drive train (11) for an overhead valve engine (10), including a cam gear (106) driven by the crankshaft (12), the cam gear supported for rotation in the cylinder block (32) externally of the cylinder head (36) and having a cam lobe (214) mounted thereon ...