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Class 123/188.8 - Valve seat relation


Subclass of Class 123 - Internal-combustion engines
Definition: Apparatus having specific characteristics of a stationary
No. of applications: 14
Last issue date: 08/25/2011


Application No.Application TitleIssue Date
20110203555Valve Seat Insert
In one example, a valve seat insert for a cylinder head seat pocket of an internal combustion engine is described. The valve seat insert comprises an annular body comprising a first material and including an inner surface, an outer surface opposite the inner surface, a ...
08/25/2011
20110100316Cylinder Head Assembly For An Internal Combustion Engine and Method of Manufacture
A cylinder head assembly for an internal combustion engine and its method of manufacture is disclosed. The cylinder head assembly includes a cylinder head having a combustion chamber and a port opening into the combustion chamber. An insert pocket is circumferentially d...
05/05/2011
20110023808IRON-BASED SINTERED ALLOY FOR VALVE SEAT, AND VALVE SEAT FOR INTERNAL COMBUSTION ENGINE
It is an object of the present invention to provide a valve seat product in which the amount of hard particles added to improve the wear resistance of a valve seat of an internal combustion engine is increased, and is excellent in the mechanical strength and machinabili...
02/03/2011
20100269778CYLINDER HEAD ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE AND METHOD OF MAKING THE SAME
A cylinder head for an internal combustion engine comprises a combustion chamber/face, a port opening into the combustion chamber/face and an insert pocket circumferentially disposed about the port and configured to receive a valve seat insert therein. A carbon layer is...
10/28/2010
20100236533Valve Seat Insert for a Split-Cycle Engine
The present invention provides an improved valve seat insert, particularly for split-cycle engines with outwardly opening crossover valves. The improved valve seat insert combines an interference fit section with a threaded section. The interference fit section aligns a...
09/23/2010
20100224160ENGINE ASSEMBLY WITH VALVE SEAT VENT PASSAGES AND METHOD OF FORMING
An engine assembly may include an engine block defining a cylinder bore, a cylinder head fixed to the engine block, and a valve seat insert. The cylinder head may include an intake port, defining an inlet in fluid communication with an air source and an outlet in fluid ...
09/09/2010
20100180852INTERNAL COMBUSTION ENGINE
The invention relates to an internal combustion engine (1), in particular in a motor vehicle, comprising at least one cylinder (3) that defines a combustion chamber (4) and in which a piston (5) can be adjusted with regard to stroke. Each cyl...
07/22/2010
20100108013Gasoline Direct Injection Engine
A gasoline direct injection engine may include: a piston; a combustion chamber interposed between a piston head and a cylinder; an ignition plug disposed at the top of the combustion chamber; at least one intake manifold disposed at an upper wall of the combustion chamb...
05/06/2010
20100101517VALVE DRIVE OF AN INTERNAL COMBUSTION ENGINE
A valve drive of an internal combustion engine, which has a reciprocating poppet valve and a spring element which impinges the closed reciprocating poppet valve with force against the action of a valve seat. The force characteristics are substantially independent of the...
04/29/2010
20090173307INTERNAL COMBUSTION ENGINE
Disclosed is an internal combustion engine (A), which has a valve overlap period (T) during which an intake valve (1) and an exhaust valve (2) are opened, and a geometric compression ratio of 13.0 or greater. The engine (A) is designed to satisfy, at a cen...
07/09/2009
20090084339INTERNAL COMBUSTION ENGINE
A cylinder of an internal combustion engine is communicated with intake ports. Each of intake valves and each of fuel injection valves are provided to a corresponding one of the intake ports to inject fuel into a combustion chamber through a curved portion and an openin...
04/02/2009
20090084337Inlet port design to improve scavenging in overhead valve two-stroke engine
(In a Two Stroke engine, there is very little opportunity for scavenging residual exhaust gas, without using impractical exhaust pipe tuning.) Our design utilises momentum air-filling of the cylinder. We use overhead poppet valves, but we have positioned the inlet valve...
04/02/2009
20080251044Electronically actuated valve system
An electronically actuated valve assembly for an internal combustion engine is disclosed, wherein the valve assembly comprises a valve stem, a shape memory alloy actuator in operative communication with the valve stem, a coolant passage through which at least a portion ...
10/16/2008
20080230031DUAL INTAKE VALVE ASSEMBLY FOR INTERNAL COMBUSTION ENGINE
An intake valve assembly of an internal combustion engine that includes a combustion chamber and an intake passage. The intake valve assembly comprises a primary valve provided to seal against a primary valve seat formed in an intake port, a secondary valve mounted abou...
09/25/2008
 
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