U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Telephone, n. An invention of the devil which abrogates some of the advantages of making a disagreeable person keep his distance. "

Ambose Bierce

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 277/593 - Having compression limiting feature


Subclass of Class 277 - Seal for a joint or juncture
Definition: Intended for internal combustion engine including means
No. of patents: 239
Last issue date: 04/24/2012


1            
NumberTitleIssue Date
8162326Flat gasket and method for the production thereof
The invention relates to a flat gasket, having at least one metallic layer in which at least one port is formed, the metallic layer or at least one of the metallic layers (1) being formed at least in regions in the form of an undulating and/or serrated profil...
04/24/2012
8128098Multi-layered gasket
A gasket is described having a middle layer, two metal layers and an uppermost and a lowermost layer. The middle layer may have an upper surface and a lower surface defining a first planar portion, a wave portion and a second planar portion. The metal layers sandwic...
03/06/2012
8123230Cylinder head gasket
A cylinder head gasket includes a first gasket base plate at a cylinder head side, a second gasket base plate at a cylinder block side, a shim that adjusts the gasket thickness, and a pressure increasing plate that increases the surface pressure at the side of perip...
02/28/2012
8109520Cylinder head gasket and method of making cylinder head gasket
A cylinder head gasket includes at least one metal plate having a plurality of cylinder bores, a plurality of liquid holes and a plurality of bolt holes. Sealing beads are formed around the cylinder bores and the fluid holes, and a parting bead is formed separately ...
02/07/2012
8100409Metallic cylinder head gasket
A metal gasket has at least two metal layers having an aligned fluid-conveying opening. One of the metal layers includes a carrier layer and an active layer. The active layer has a raised metal sealing bead circumscribing the opening. The carrier layer and the activ...
01/24/2012
8100410Sealing ring interposed between the block and the cylinder head of an internal combustion engine, having a composite structure
A sealing ring is set between the engine block of an internal-combustion engine and a cylinder head fixed to the engine block, within a seat set concentrically around a cylinder of the engine. The sealing ring has a composite structure, with an external hollow annul...
01/24/2012
8052154Metal laminate gasket
A metal laminate gasket for an engine fitting a cylinder liner into a cylinder block is formed by laminating multiple metal plates, and includes a first laminate portion clamped between the cylinder block and the head block; a second laminate portion clamped between...
11/08/2011
8042815Cylinder head gasket and engine
The thickness of an intermediate plate portion (31b) is smaller than the thickness of a stopper portion (31a). The thickness of a portion of a cylinder head gasket (20) having the stopper portion (31a) is set to be gr...
10/25/2011
8016296Metal laminate gasket
A metal laminate gasket includes a first metal plate having a folded portion at a peripheral of a combustion chamber hole, a second metal plate provided in the folded portion, a third metal plate provided in the folded portion and having an extension portion extendi...
09/13/2011
8011674Metal laminate gasket
A metal laminate gasket to be arranged between two members includes a first metal plate and a second metal plate laminated together. The first metal plate has a first hole to be sealed, a first bead around the first hole, and a plurality of second holes around the f...
09/06/2011
7997585Cylinder head gasket
The invention relates to a metallic cylinder head gasket for an internal combustion engine having a cylinder block with adjacent combustion chambers and a cylinder head connected to the said block by bolts, having at least one sheet metal layer of resilient metal, w...
08/16/2011
7984912Multi-layer metallic flat gasket
A gasket has sealing layer(s) with beads which are assigned to passage opening(s), and stopper layer(s) with a stopper which limits the resilience of the bead(s). The stopper is composed of a plurality of directly successive ridge-shaped elevations and groove-shaped...
07/26/2011
7909337Gasket
A gasket which can uniformize the facial pressure on the thickened part more securely is to be provided. A gasket comprises a pair of base plates and stacked above and underneath, in which combustion chamber holes and bolt holes are bored, a doubling plate and shim ...
03/22/2011
7815197Gasket
A gasket which can secure a sufficient sealing capability even for compact, light and less rigid high-performance engines is to be provided. The gasket comprises a metallic base plate and a shim plate stacked around each of combustion chamber holes in the base plate...
10/19/2010
7806416Cylinder head gasket
Cylinder head gasket with a ring-shaped metallic sealing element extending around a through-opening of the gasket, wherein, for automatic adaptation to changes in the width of the sealing gap to be sealed by the cylinder head gasket, the sealing element is of such s...
10/05/2010
7806415Cylinder head gasket
Cylinder head gasket with a ring-shaped combustion chamber sealing element comprising a metallic sealing strand, the sealing element being shaped and held in the cylinder head gasket so that when the gasket is clamped between engine component sealing surfaces and se...
10/05/2010
7806414Cylinder head gasket
In order to provide a cylinder head gasket, comprising at least one gasket sheet, with at least one combustion chamber opening and a combustion chamber bead, the height of which may be elastically deformed and surrounds the combustion chamber opening, and at least o...
10/05/2010
7802797Flat seal
A flat seal, assembly comprises at least one metallic layer, which is to be supplied with several passages, spaced by bridges, whereby at least one corrugation and/or at least one wavelike contouring is to be set out at least in the area of one of the layers, on the...
09/28/2010
7793942Metal gasket
A metal gasket includes a first metal plate having a main full bead with bottom portions around a hole to be sealed, and a second metal plate laminated with the first metal plate on a depression side of the main full bead. The second metal plate has restricting memb...
09/14/2010
7559556MLS gasket compression limiter
An embodiment provides a MLS gasket that includes a metal layer having an external periphery, an upper surface generally defining a first plane, and a lower surface generally defining a second plane. The first and second planes define a layer thickness therebetween....
07/14/2009
7527269Cylinder head gasket having deformation delimiting devices radially inside and outside sealing bead
Cylinder head gasket is provided having a single-layered or multilayered metallic gasket plate with sealing beads in at least one metal layer, which are elastically deformable in height and surround the combustion chamber through-openings, and deformation delimiting...
05/05/2009
7490835At least substantially metallic cylinder head gasket
Cylinder head gasket with a metallic gasket plate comprising a combustion chamber opening enclosed by a bead, and a stopper surrounding the opening and delimiting deformation of the bead, the stopper formed by elevations of a gasket sheet metal layer which are obtai...
02/17/2009
7431306Metallic gasket
A metallic gasket including a base plate having a convex metal bead formed, by bending the base plate, between a combustion chamber opening and on the outer periphery portion of the base plate, and a first thickness-increased portion formed thicker than the remainin...
10/07/2008
7422218Flat gasket and process for the production of a flat gasket
In order to provide a flat gasket, in particular cylinder head gasket, comprising at least one metal gasket sheet made of a spring steel or a metallic material with a percentage elongation after fracture corresponding to the percentage elongation after fracture of a...
09/09/2008
7377520Cylinder head gasket
A cylinder head gasket is used for an engine having a cylinder liner and a cylinder block. The gasket includes first to third metal plates laminated together. The first metal plate includes a base portion, a curved portion, a flange extending from the curved portion...
05/27/2008
7374177Enhanced multilayer metal gasket
A multilayer metal gasket, such as a multilayer steel head gasket, for an internal combustion engine has upper and lower functional layers and at least one intermediate layer. At least one of these layers has a circumferential compression control feature in the form...
05/20/2008
7367566Metal gasket
A metal gasket for sealing multiple cylinder bores includes one or more metal substrates, main sealing beads around each of the cylinder bores, and one or more sub-beads. The main sealing beads include meandering portions located in a sealing portion between the cyl...
05/06/2008
7360768Intake gasket
An intake gasket to be inserted between a cylinder head and a manifold, comprising an intermediate rib member with a three-layer structure formed from a central thin metal plate and rubber layers provided on first and second sides of the central thin metal plate, fi...
04/22/2008
7357821System for converting fuel and air into reformate
A system for converting fuel and air into reformate with a reformer which has a reaction space, a nozzle for supplying a fuel/air mixture to the reaction space, and a fuel feed for supplying fuel to the nozzle (14). The nozzle is a Venturi nozzle with an air ...
04/15/2008
7316402Segmented component seal
A seal for restricting leakage of a fluid from a first chamber, through a gap between two components, to a second chamber is provided. A slot is formed in each of the two components. The slots face one another and are open to the gap. Each slot contains a longitudin...
01/08/2008
7316401Modular gasket
A static gasket assembly having a grid-like carrier (10, 10′) formed as a mesh of overlapping strands. Openings (16-22) are created strategically in the carrier (10, 10′) with the severed ends of the strands forming cantilever stems (...
01/08/2008
7311310Cylinder head gasket
In order to achieve good sealing in both a cold and a warm engine by sealing features which are as simple as possible, an at least substantially metallic cylinder head gasket comprises a gasket plate with only one layer of sheet steel extending over the entire gaske...
12/25/2007
7311309Cylinder head gasket
A cylinder head gasket for an internal combustion engine is formed of a first metal plate extending substantially throughout an entire area of the gasket. The metal plate includes a base portion, at least one hole corresponding to a cylinder bore of the engine, a cu...
12/25/2007
7311493Metal sheet, including means for fixing it to a support and a gasket seal
The metal sheet of the invention includes means for fixing it to a support and a seal gasket laid out along these means. The fixing means comprise at least one lumen provided on the metal sheet by punching, with a cavity for receiving a head of a fixing component co...
12/25/2007
7306235Gasket assembly having isolated compression limiting device
A manifold gasket includes a carrier frame with a plurality of media-conveying openings corresponding to openings communicating between two parts to be clamped, such as an intake manifold and a cylinder head. Elastomeric sealing material is molded to the carrier fra...
12/11/2007
7293779MLS gasket with bore edge stopper bead
A gasket includes an intermediate layer having resilient sealing beads flanked by stopper beads. The three-layer gasket, particularly designed for heavy duty racing engines, provides a relatively robust cross-section in web-areas between cylinder bore apertures. A t...
11/13/2007
7290770Metal laminate gasket
A metal gasket for an internal combustion engine includes a first metal plate with a folded portion; a ring member with a sandwiched portion having a sealing bead and an extension portion, with the sandwiched portion being sandwiched in the folded portion to provide...
11/06/2007
7287757Optimized wave bead with full bead design
A gasket having a layer including at least one combustion opening and a wave area located on the layer is disclosed. The wave area includes a first wave and a second wave. The first wave is proximate the combustion opening. A flat portion near the second wave includ...
10/30/2007
7249578Cylinder head gasket for use in an internal combustion engine and internal combustion engine equipped therewith
A combustion engine includes a cylinder head and a cylinder crankcase having a cylinder bore and a coolant duct formed therein. The coolant duct is disposed adjacent the cylinder bore and is a cooling system component. A cylinder head gasket is provided between the ...
07/31/2007
7234705Sealing gasket with flexible stopper
A sealing gasket assembly includes one or more carriers each having an offset flexible stopper portion spaced laterally outwardly away from an offset inner sealing portion that is adjacent an opening or other area requiring sealing between mating members adapted to ...
06/26/2007
1            
 
Sign InRegister
Username  
Password   
forgot password?