Class 123/188.11 - Wear feature

Subclass of Class 123 - Internal-combustion engines
Definition: Apparatus wherein a feature or means is provided to compensate
No. of patents: 33
Last issue date: 11/01/2011

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Number	Title	Issue Date
8047174	Internal combustion engine component and method for producing the same An internal combustion engine component is composed of an aluminum alloy containing silicon, and includes a plurality of silicon crystal grains located on a slide surface. The slide surface has a ten point-average roughness RzJIS of about 0.54 μm or more...	11/01/2011
7412955	Engine component part and method for producing the same An engine component is composed of an aluminum alloy containing silicon, and includes a plurality of primary-crystal silicon grains located on a slide surface. The plurality of primary-crystal silicon grains have an average crystal grain size of no less than about 1...	08/19/2008
7273026	Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i...	09/25/2007
6736101	Low friction sliding element for a reciprocating engine A low friction sliding element for reciprocating engine parts, including a sliding contact surface that is in sliding contact with a counterpart during relative sliding motion of the sliding element and the counterpart. The sliding contact surface has microscopic re...	05/18/2004
6662770	Valve rotating device The invention relates to a valve rotator having an annular body in which are circumferentially provided several ball pockets having inclined ball races and in which a ball and a tangential spring are located in each case. In a rest position, the tangentia...	12/16/2003
6321710	Diffusion joining structure The external surface configuration of a portion of a mounted member that is joined to a mounting member includes, at a distal end position which first comes into contact with the mounting member when the mounted member is pressed against the mounting memb...	11/27/2001
6244234	Exhaust valve for an internal combustion engine An exhaust valve for an internal combustion engine including a movable spindle with a valve disc of a nickel-based alloy which also constitutes an annular seat area at the upper surface of the valve disc. The seat area abuts a corresponding seat area on a...	06/12/2001
5904125	Exhaust valve for internal combustion engine An internal combustion engine has a valve guide that is pressed into an opening in the cylinder head. An exhaust valve is slidably mounted in the bore of the valve guide. The exhaust valve has a head which is sized to cover the exhaust port, a stem which ...	05/18/1999
5771852	Poppet valve with embossed neck structure A poppet valve (10) has a disk-shaped head (12), an elongated stem (16), and a tapered neck (24) between the head (12) and the stem (16). The neck (24) has an outer surface (32) with an undulating circumferential contour. The undulating circumferential co...	06/30/1998
5738060	Poppet valve and method of making the poppet valve A poppet valve (10) includes an elongated valve stem (14) with first and second ends (22, 26). A valve head (12) is located at the first end (22) of the stem (14). A valve tip (24) is fixed to the second end (26) of the stem (14). The tip (24) is construc...	04/14/1998
5727507	Valve rotation arrangement An improved valve rotation arrangement for providing valve rotation for a pressure medium valve in an internal combustion engine, especially a large diesel engine or gas engine, whereby the valve is opened under positive guidance for instance under the in...	03/17/1998
5655493	Exhaust valve for internal combustion engine A low-friction, extended-life exhaust valve has a coating on the valve stem that is protected from hot exhaust gases. The valve stem slides axially in a valve guide pressed into the cylinder head, and the coating on the valve stem is receded away from the...	08/12/1997
5632240	Apparatus and method for an aluminum alloy cylinder head having a valve guide bore with spaced wear resistant integral surfaces This application discloses an aluminum alloy cylinder head for an internal combustion engine having an integral valve stem guide bore therein with integral wear resistant end portions of the bore formed by an integrally bonded but different metal alloy fo...	05/27/1997
5592913	Exhaust valve with a tapered stem portion An exhaust valve with a tapered stem portion has a head portion with a frustoconical seat portion and a trumpet like portion which extends from the seat portion to a tapered portion, a stem portion has a cylindrical portion which fits within a valve guide...	01/14/1997
5570663	Valve rotator With vertical movement of a valve in an engine, a suspending member which suspends from a retainer engaged in the valve goes up and down with respect to a standing member on a cylinder head. A projection provided on the suspending member slides on incline...	11/05/1996
5485815	Poppet valve device A poppet valve comprises a valve stem and a valve head which is provided at one end of the valve stem. A plurality of arcuate fins are provided on the surface of the valve head. Two semicylindrical cotters are pushed by a press member, so that the valve i...	01/23/1996
5441024	Engine valve This invention relates to a novel valve useful in internal combustion engines and other engines having improved wear and corrosion properties. The valve has a uniform coating thereon containing nickel and having a thickness not exceeding 0.000500 inches. ...	08/15/1995
5370092	Engine valve and method for producing the same An engine valve having composite structure comprising a valve stem and a valve head which are made from Ti--Al based alloy and a tail end formed with heat resisting steel are produced by joining a stem end member made from the heat resisting steel to an e...	12/06/1994
5190002	Engine valve The novel valve of this invention is for use in internal combustion engines. With advanced engine technology of today, prior art valves are not suitable because of wear problems. The valve of this invention provides a valve stem texture that is smooth eno...	03/02/1993
5081965	Intake valve for internal combustion engine A valve for an internal combustion engine has a stem and head with differing diameters for the stem and the upper portion of the head. A radially irregular blend region placed between the stem and upper head is aligned to have a slight runout, that is, th...	01/21/1992
4976248	Apparatus for the generation of turbulence in internal combustion engines Upper and lower surfaces of each intake valve, an upper surface of each piston, and an interior piston facing surface of each cylinder head of an internal combustion engine are textured to create a controlled turbulence in an air-fuel mixture flowing to a...	12/11/1990
4862844	Valve assembly for internal combustion engine An especially adapted engine valve includes structure which damps motion of the valve during its final closure to seat. A spool portion of the valve establishes, with its associated guideway, a damping chamber into which oil under pressure may be admitted...	09/05/1989
4643142	Squish control engine Squish control is provided in an internal combustion engine such as a diesel engine by providing in a preferred embodiment arcuate dams on the inner faces of rotatable intake and exhaust valves or the like which coact with arcuate grooves or recesses of t...	02/17/1987
4574754	Stratified charge combustion system and method for gaseous fuel internal combustion engines A stratified charge combustion system is disclosed for use in a gaseous fuel internal combustion engine. The stratified charge combustion system comprises a combustion chamber, an ignition source in communication with the combustion chamber, and a gaseous...	03/11/1986
4355604	Shrouded valve for internal combustion engine A 360° shrouded intake valve for use with an internal combustion engine having an intake valve located between a charge induction passage and a combustion chamber of the engine. The shroud is in the form of a collar secured to the intake valve face inter...	10/26/1982
4320725	Puffing swirler A puffing swirler for use in an internal combustion engine. The puffing swirler causes the air and vaporized fuel mixture to have a controlled high velocity swirling action within the piston cylinder of the engine to provide improved high efficiency combu...	03/23/1982
4196701	Internal combustion engine intake system having auxiliary passage bypassing main throttle to produce swirl in intake port An auxiliary passage of a relatively small cross-sectional area bypasses the main throttle valve of a usual induction passage to extend to each intake port. The auxiliary passage allows air or an air-fuel mixture to pass therethrough according to the magn...	04/08/1980
4151816	Air or air and fuel mixture flow control in valve controlled internal combustion engines In order to provide a controlled turbulence or angular momentum of air, air and fuel mixtures or similar fluids to be injected into the cylinder chamber of valve controlled internal combustion engines, control vanes are provided in close proximity to the ...	05/01/1979
4137886	Air intake system for an internal combustion engine An air intake system for an internal combustion engine, particularly for a diesel engine containing a cylinder having a combustion chamber therein, is disclosed. The system comprises a spiral-shaped intake port formed in the cylinder head. The spiral-shap...	02/06/1979
4068626	Fuel control of internal combustion engines Vanes in an air duct, independently controlled, one by the engine operator and others by environmental factors, generate vortices determining the speed of a turbine and thereby the flow of fuel through a fuel meter and fuel valves into prechambers for vap...	01/17/1978
3978830	Snap-on spring retainer lock A snap-on type spring retainer lock comprises a one-piece stamped retainer element which has resilient spring fingers which encircle and clamp against a tapered surface portion of a valve stem. A spring retainer is held on the valve stem by the abutting e...	09/07/1976
3970054	Internal combustion engine fed with a stratified double charge An internal-combustion engine fed with a stratified charge and comprising an inlet leading into a combustion chamber for feeding thereinto a main charge of a lean mixture of a first fuel and air, and an injection device for injecting a second fuel into an...	07/20/1976
3930471	Internal combustion engine A torch ignition engine of reduced complexity and including novel arrangements of the cylinder heads and manifolds. Specific features of a preferred embodiment include auxiliary ignition chambers formed by cup shaped inserts retained in place by the spark...	01/06/1976

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Class 123/188.11 - Wear feature