About 21 results
https://drivepatents.com/patents/1400933 · 7 Aug 2024
An object is to provide oil supply to a variable compression-ratio device. A variable compression-ratio device includes: a gear shaft (52) disposed inside a crankshaft (12) of an internal combustion engine (11) coaxially with the crankshaft (12) and config...
https://drivepatents.com/patents/941303 · 29 Jun 2016
Apparatus with variable compression ratio and variable expansion ratio for an internal combustion engine, mounted on the engine crankshaft and the assembly of the piston- connecting rod, comprising an actuating motor, a worm, a worm gear, a sun gear, a fir...
https://drivepatents.com/patents/954749 · 30 Dec 2015
An internal combustion engine (1) has a variable compression ratio mechanism (2) using a multi-link piston crank mechanism, and is equipped with a fuel injection valve (8) that injects fuel into the cylinders. The variable compression ratio mechanism chang...
https://drivepatents.com/patents/956973 · 14 Oct 2015
An internal combustion engine including variable compression ratio, comprises a crankcase and a crankshaft including a crankshaft axis, wherein the crankshaft has at least a central main portion, a crankpin and a crankshaft web located between the central ...
https://drivepatents.com/patents/949469 · 12 Aug 2015
An internal combustion engine (1) including variable compression ratio comprises a crankcase, a crankshaft (3) including a crankshaft axis (4), wherein the crankshaft (3) has at least a central main portion (5), a crankpin (6) and a crankshaft web (7) loca...
https://drivepatents.com/patents/949453 · 12 Aug 2015
An internal combustion engine (1) including variable compression ratio comprises a crankcase (2) and a crankshaft (3) including a crankshaft axis (4). The crankshaft (3) has at least a central main portion (5), a crankpin (6) and a crankshaft web (7) locat...
https://drivepatents.com/patents/950842 · 20 May 2015
A method of assembling a crankshaft (1) and a crank member (3, 4) comprises the steps of supplying a crankshaft (1) including a crankpin (5) which extends between crank arms (6), wherein the crankshaft (1) has a crankshaft axis (2) and the crankpin (5) has...
https://drivepatents.com/patents/987992 · 31 Jul 2013
A reciprocating piston mechanism (1) comprises a crankcase (15) and a crankshaft (2) which has at least a crankpin (4). The crankshaft (2) is supported by the crankcase (15) and rotatable with respect thereto about a crankshaft axis (5). The mechanism furt...
https://drivepatents.com/patents/1066387 · 14 Jun 2006
The method involves controlling pressure within a cylinder independently of operation of an intake and exhaust valve by an auxiliary control valve to stop a crankshaft (13) in a position favorable for restarting. An energy of an internal combustion engine ...
https://drivepatents.com/patents/1067235 · 24 May 2006
Provided is a variable stroke property engine that can prevent an increase in the resistance to the engine owing to the contact between the variable stroke piston mechanism and lubricating oil. In a variable stroke property engine equipped with a variable ...