Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16J - Pistons; Cylinders; Pressure vessels in general; Sealings › F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general
Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592)
11/2005
11/16/2005CN2740843Y Prestressed coupling piston and piston ring assembly without leakage
11/16/2005CN1696547A Piston ring mechanism with zero leaks
11/16/2005CN1696546A Sealing gasket and manufacturing method
11/10/2005DE19911533B4 Kolbenring, insbesondere ein solcher für einen Aluminiumzylinder Piston ring, particularly one for an aluminum cylinder
11/10/2005DE10051290B4 Befestigungsstruktur für Kolbendichtungen Mounting structure for piston seals
11/09/2005EP1593883A1 Piston with piston-rig groove
11/09/2005CN2739426Y Dual-sealed oil-gas piston ring
11/08/2005US6962343 Seal ring
11/02/2005CN1692047A Sealing ring
10/2005
10/19/2005CN2735086Y Energy-saving environmental protection durable piston ring
10/13/2005WO2005095827A1 Piston ring
10/13/2005US20050224309 Apply piston seal for a clutch
10/13/2005US20050224038 Reciprocating engine
10/13/2005DE102004014871A1 Kolbenring Piston ring
10/12/2005EP1504206B1 Method for producing anti-wear coatings on steel piston rings, and steel piston ring comprising one such anti-wear coating
10/12/2005CN2733111Y Piston ring
10/12/2005CN2733013Y Multicomponent multilayer nano film piston ring
10/07/2005CA2503062A1 Apply piston seal for a clutch
10/06/2005US20050218603 Piston ring comprising a pvd coating
10/06/2005US20050217478 Pneumatic cylinder plug
10/05/2005CN2731185Y Ring-joint type piston
10/05/2005CN2731121Y Piston ring for internal combustion engine and air compressor
09/2005
09/28/2005CN2729434Y Oil storage tooth form sliding ring sealing ring
09/21/2005EP1577553A1 Oilless reciprocating air compressor
09/14/2005CN2725553Y Building up type eccentric location sealing piston ring
09/14/2005CN1668837A Piston ring
09/09/2005WO2005083306A2 Multi-part oil scraper ring for pistons of internal combustion engines
09/09/2005WO2005064212A3 Multi-layered seal structure
09/08/2005DE102004009235A1 Mehrteiliger Ölabstreifring für Kolben von Verbrennungsmotoren Multi-part oil scraper ring for pistons of internal combustion engines
09/07/2005EP1325252A4 Two piece oil control ring with nitrided surface layers
09/07/2005EP1277995B1 Seal ring
09/07/2005CN2723699Y Combined air ring with seal interlock device
09/07/2005CN1664365A Oilless reciprocating air compressor
09/01/2005WO2005080836A1 Sealing arrangement for relatively movable parts and device including such a sealing arrangement
09/01/2005US20050189725 Multi-layered seal structure
09/01/2005US20050189720 Dynamic seal for use in high-speed turbomachinery
09/01/2005US20050188942 Sliding structure for automotive engine
09/01/2005US20050188839 Oilless reciprocating air compressor
09/01/2005DE19537344B4 Kolbenvorrichtung für ein Schlagwerkzeug Piston device for a striking tool
09/01/2005DE102004005799A1 Verfahren zur Herstellung einer lokalen Verstärkung für ein Bauteil einer Brennkraftmaschine A process for producing a local reinforcement for a component of an internal combustion engine
08/2005
08/31/2005EP1568889A2 Shaft seal for use in high-speed turbomachinery
08/31/2005CN2721974Y 活塞环 Piston
08/31/2005CN1661267A Wear resistant composition
08/30/2005US6935220 Contoured piston
08/25/2005WO2005078268A1 Piston device for internal combustion engine
08/25/2005US20050184466 Steel piston ring
08/25/2005US20050184465 Seal assembly manufacturing methods and seal assemblies manufactured thereby
08/24/2005CN2720196Y Three-butt-lapped piston ring
08/24/2005CN2720136Y Rotary parallel-connected lining-combined sealing ring
08/24/2005CN1216229C Cut sealing double-ring piston engine and working unit
08/18/2005WO2005075704A1 Method for the production of a local reinforcement for a component of an internal combustion engine
08/17/2005EP1366314B1 Reciprocating engine
08/17/2005EP1184558B1 Piston and piston ring assembly
08/11/2005WO2005073437A1 Composite chromium plating film, and sliding member having the film and method for manufacture thereof
08/04/2005WO2005071355A1 Method and device for detecting direction of member having outer periphery formed in vertically asymmetrical shape
08/03/2005EP1559934A1 Piston rings particularly for two-stroke engines
07/2005
07/27/2005EP1557594A1 Oil ring
07/27/2005EP1556638A1 Valve
07/26/2005US6920819 Uniform piston ring fill
07/21/2005WO2005066482A1 Wire material for coil expander and coil expander
07/21/2005DE10357561B3 Kolbenring, insbesondere für einen Schwingungsdämpfer Piston ring, in particular for a vibration damper
07/21/2005DE10127172B4 Kolben für einen Verbrennungsmotor Piston for an internal combustion engine
07/20/2005CN1641248A Nodular cast iron piston ring
07/14/2005WO2005064212A2 Multi-layered seal structure
07/14/2005DE10350567A1 Ölabstreifring für Kolben von Verbrennungsmotoren Oil control ring for pistons of internal combustion engines
07/14/2005CA2551014A1 Multi-layered seal structure
07/13/2005EP1552130A1 Piston assembly and method of manufacture
07/13/2005CN2709666Y Whole sealed piston ring
07/13/2005CN1210427C Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing same, and use
07/12/2005CA2281566C An oil sealing ring
07/07/2005WO2005061751A1 Piston ring and method for the production thereof
07/07/2005DE10357966A1 Sealing ring in particular for sealing moving part against stationary component, comprising steps and overlapping areas at outer ends
07/06/2005CN1209483C Wear-resistant sliding member
06/2005
06/29/2005EP1548265A1 Piston ring
06/29/2005EP1546584A2 Sealing ring
06/29/2005CN1632297A Novel process for making piston ring
06/28/2005US6910853 Structures for attaching or sealing a space between components having different coefficients or rates of thermal expansion
06/23/2005US20050132569 Method of repairing a part using laser cladding
06/22/2005CN1630791A Oil ring of internal combustion engine
06/22/2005CN1630734A Thermal spraying of machine part
06/16/2005US20050127612 Piston ring having wear resistant composition
06/16/2005US20050127611 Piston ring, especially for a vibration damper
06/15/2005EP1541908A1 Seal ring
06/15/2005CN2704722Y Semi-finished products structure of rubber sealing ring
06/15/2005CN1628212A 往复发动机 Reciprocating engine
06/09/2005US20050123758 For reciprocating compressors; comprises wear-resistant polyketone matrix within which are dispersed microcapsules containing lubricating fluid
06/09/2005DE10352970A1 Sealing arrangement for a cylinder/piston system in vacuum pumps comprises a sealing element in the form of a closed ring which is provided with a protrusion on the inner side
06/02/2005US20050116426 Seal ring
06/01/2005EP1536167A1 Seal ring
06/01/2005CN2703166Y Sealing ring
05/2005
05/31/2005US6899595 Seal assembly manufacturing methods and seal assemblies manufactured thereby
05/26/2005US20050110190 Process for making a membrane for fluid-control apparatuses, and membrane made thereby
05/26/2005US20050109289 High temperature and high pressure compressor piston ring
05/25/2005EP1533509A1 Reciprocating engine
05/25/2005DE102004021361A1 Piston ring for IC engine pistons has outer surface which slopes inwards towards top face, circumferential groove running around its lower face whose outer edge is level with remainder of face and acts as oil control
05/25/2005CN1620546A Internal combustion engine using opposed pistons
05/25/2005CN1620520A Heat spraying of piston ring
05/19/2005US20050103192 Reciprocating element
05/19/2005DE10340313A1 Ölabstreifring-Ringnut-Anordnung für Kolben von Verbrennungsmotoren Oil ring groove arrangement for pistons for combustion engines
05/18/2005CN1617989A Spraying piston ring
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