About 16 results
https://drivepatents.com/patents/1392719 · 15 Apr 2026
Systems and methods for intermittent supply of lubricating oil to a tip of a rocker arm assembly. In one embodiment, a lubricating oil may be selectively to a tip of a rocker arm via oil channels aligned only during opening of a valve coupled to the tip.
https://drivepatents.com/patents/940167 · 20 Jul 2016
An variable valve apparatus for an internal combustion engine according to the invention includes a cam base member (10), an elastic member (18), a cam lobe member (12), and a mechanism for fixing the cam lobe member to the cam base member. The cam lobe me...
https://drivepatents.com/patents/943097 · 18 May 2016
A six-stroke engine includes a cylinder, a piston, a cylinder head, a combustion chamber, an intake port, an exhaust port, an intake valve, an exhaust valve, a fuel injector, and an ignition plug. The six-stroke engine includes a valve gear that operates t...
https://drivepatents.com/patents/954018 · 27 Jan 2016
An internal combustion engine is equipped with an intake camshaft (41) and a valve timing adjustment device (60). The intake camshaft (41) has an intra-axial oil channel (411), and an outflow hole (412) that causes hydraulic oil in the intra-axial oil chan...
https://drivepatents.com/patents/947424 · 30 Dec 2015
A camshaft bearing structure includes a bearing part (4) which has a journal hole (1) that is defined by an upper part of a cylinder head (5) and a cam cap (6) that is assembled to the upper part of the cylinder head (5) and rotatably supports a camshaft (...
https://drivepatents.com/patents/949467 · 12 Aug 2015
The present invention relates to an internal combustion engine (1) with at least one camshaft (2). Essential to the invention is that the camshaft (2) comprises an outer shaft (3) and an inner shaft (4) that is adjustable relative thereto, wherein first ca...
https://drivepatents.com/patents/973257 · 25 Jun 2014
A camshaft for a diesel engine is described. The camshaft may enable generation of suitable level of combustion residuals for the control of nitrogen oxide levels while minimising impact of the engine transient response. The camshaft may comprising a shaft...
https://drivepatents.com/patents/995584 · 5 Dec 2012
An apparatus includes a valve member configured to be reciprocatably disposed within a valve pocket defined by an interior surface of a cylinder head. The valve member has a tapered portion defining multiple flow passages and including multiple sealing por...
https://drivepatents.com/patents/1013040 · 11 May 2011
A variable valve device for an internal combustion engine includes a first cam phase variable mechanism capable of varying the phases of both first and second intake cams by using operating oil pressure, and a second cam phase variable mechanism having a s...
https://drivepatents.com/patents/1013562 · 27 Apr 2011
In an internal combustion engine in which a head cover 3 for covering a cam shaft 2 at an upper face of a cylinder head 1 is made of a synthetic resin, a cam angle sensor 10 for the cam shaft is securely attached to the cylinder head such that heat damage ...