About 21 results
https://drivepatents.com/patents/1071432 · 28 Dec 2005
A V-type 8-cylinder four cycle internal combustion engine has a bank angle of 90 deg. and employs a double link type piston-crank mechanism for transmitting the force of each piston to a crankshaft. The double link type piston-crank mechanism comprises an ...
https://drivepatents.com/patents/1071931 · 7 Dec 2005
The invention provides an engine having a piston (3) which is slidably received within an associated cylinder and a crankshaft (15) connected to the piston (3) for reciprocably moving the piston (3) with respect to the cylinder, a multi-link piston crank m...
https://drivepatents.com/patents/1078722 · 6 Apr 2005
The actuator has a unit including two passages and a control unit to control fluid flow between lower and upper chambers (24, 25) by valves. The unit maintains a piston (22) at a fixed position or adjusts position of the piston in a body by selected passag...
https://drivepatents.com/patents/1079682 · 2 Mar 2005
A multi-link piston crank mechanism for an internal combustion engine, including a crankshaft having a crank pin and crank webs connected with each other through the crank pin. A pair of thrust surfaces are formed on the crank webs so as to be opposed in a...
https://drivepatents.com/patents/1085929 · 30 Jun 2004
An internal combustion engine has a variable compression ratio mechanism operatable during an intake stroke to change an actual compression ratio of the engine, and is capable of correcting an amount of fuel injected into the engine in response to a change...
https://drivepatents.com/patents/1086201 · 23 Jun 2004
A link mechanism usable for a variable compression ratio mechanism of an internal combustion engine includes first (11) and second (13) links pivotally connected by a pin (12) inserted through cylindrical first (21) and second pin (31) boss portions of the...
https://drivepatents.com/patents/1086196 · 23 Jun 2004
An intake-air control system for an engine enabling an intake-air quantity and a compression ratio to be variably controlled, includes sensors detecting engine operating conditions and the compression ratio, and a control unit electronically connected to t...
https://drivepatents.com/patents/1087358 · 12 May 2004
A variable compression ratio system for an internal combustion engine, including a variable compression ratio mechanism (10) for continuously varying a compression ratio of the engine, the variable compression ratio mechanism including a control shaft (18)...
https://drivepatents.com/patents/1093068 · 24 Sep 2003
A variable compression ratio engine includes a support shaft positioned eccentrically relative to rotating shafts. A restricting projection is provided at one location in the circumferential direction on the rotating shafts so as to project outward in the ...
https://drivepatents.com/patents/1101169 · 9 Oct 2002
The crankshaft has an eccentric sleeve (4) rotatably mounted on the crankpin (3) and engaging with a drive gear so that it rotates only with activation of the drive gear relative to the crankpin. The drive gear is formed by a motor (7) with a worm (6), whe...