Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592)
01/2013
01/30/2013EP2551504A1 Piston and oil distribution ring for a stroke piston combustion engine
01/30/2013EP2551503A1 Piston, piston ring and oil distribution ring for a stroke piston combustion engine
01/30/2013CN202708043U Energized piston seal assembly
01/30/2013CN102906470A Pressure ring and method for producing same
01/24/2013WO2013010520A1 Oil scraper ring
01/24/2013DE102012004757A1 Ölabstreifring Oil ring
01/24/2013DE102011108357A1 Method for producing oil control piston ring, involves packetizing of multiple basic bodies on mandrel, and manipulating basic body, which results in uniform cylindrical outer peripheral surface within package
01/23/2013CN202691015U Wide temperature type sealing structure of actuator piston
01/23/2013CN202691014U Thin sheet wire free of secondary processing
01/22/2013US8356820 Piston ring
01/16/2013EP2545202A1 Sliding element, in particular a piston ring, and method for coating a sliding element
01/16/2013EP2545201A1 Helical compression spring for an oil scraper ring of a piston in an internal combustion engine and method for coating a helical compression spring
01/16/2013EP2545195A2 Method for coating at least the inner face of a piston ring and piston ring
01/16/2013CN202674294U Piston mechanism for tractor hydraulic lifter assembly
01/10/2013WO2013004217A2 Oil scraper ring for a piston of an internal combustion engine
01/10/2013DE102011106656A1 Ölabstreifring für einen Kolben eines Verbrennungsmotors Oil scraper ring for a piston of an internal combustion engine
01/09/2013CN1815066B Energized dynamic seal ring for piston rod
01/09/2013CN102869906A 活塞环 Piston Ring
01/09/2013CN102865269A Cylinder
01/03/2013US20130004756 Sliding element, in particular a piston ring, and method for coating a sliding element
01/02/2013EP2539105A1 Method for producing piston rings
01/02/2013CN202646701U Double-motion stamping hydraulic cylinder seal structure
01/02/2013CN202646681U Sealing ring and screw compressor with sealing ring
01/02/2013CN202646680U Welding machine cylinder body with novel sealing device
01/02/2013CN102859241A Oil ring for internal combustion engine
12/2012
12/27/2012WO2012176847A1 Piston ring
12/27/2012WO2012176846A1 Piston ring
12/27/2012WO2012176834A1 Pressure ring and fabrication method therefor
12/27/2012WO2012152240A4 Piston ring for two-stroke engines
12/27/2012US20120325083 Piston guide ring comprising polyamide-poly(arylene ether) composition
12/26/2012EP2538090A1 Fluid pressure cylinder
12/26/2012CN202629066U Methyl cellulose (MC) nylon piston ring
12/26/2012CN202629065U Oil scraper ring
12/26/2012CN202629064U Primary seal structure of oil cylinder piston
12/26/2012CN102844596A Seal structure
12/26/2012CN102837877A Flared water inflow pipe for horizontal hot water storage tank
12/20/2012WO2012173981A2 Piston rod and cylinder seal device for aluminum bath crust breaker
12/20/2012WO2012130195A3 Method for producing an oil control ring
12/20/2012US20120319357 Method for producing piston rings
12/20/2012DE102011105363A1 Sealing ring for plunger cylinder, has pressure equalization openings which are evenly distributed along circumferential direction
12/20/2012CA2837847A1 Piston rod and cylinder seal device for aluminum bath crust breaker
12/19/2012CN202612607U Lapped sealing ring
12/19/2012CN202612606U High-performance piston ring made of metallic composite material
12/19/2012CN202612605U Seal gas ring mounted in gas ring groove in piston of cone crusher
12/19/2012CN202612604U Piston sealing piece
12/19/2012CN202612603U Chromeplate-inlaid wear-resisting cast iron ring
12/19/2012CN102834613A Annular seal element
12/19/2012CN102829180A Aluminum piston abrasion-resisting embedding ring for low-temperature cold area
12/13/2012US20120313302 Piston rod and cylinder seal device for aluminum bath crust breaker
12/12/2012EP2532871A1 Reciprocating engine
12/12/2012EP2531750A1 Oil control ring
12/11/2012US8327752 Fluidic actuator for application inside turbomachinery
12/06/2012US20120306159 Multi-part piston ring
12/06/2012US20120306158 Sliding element having adjustable properties
12/06/2012DE112011100377T5 Kolbenring Piston ring
12/06/2012DE102011102897A1 Piston ring i.e. compression piston ring, for internal combustion engine, has bearing surface provided with multiple local recesses of geometric contour in circumferential direction, where recesses are filled with wear-resistant material
11/2012
11/29/2012WO2012160138A1 Piston ring with composite coating
11/29/2012US20120298067 Oil control ring
11/29/2012DE112010003953T5 Ölring für Verbrennungsmotor Oil ring for internal combustion engine
11/29/2012DE102011076453A1 Kolbenring mit Verbundbeschichtung Piston ring with composite coating
11/28/2012CN102797843A Piston with sealing piece
11/22/2012DE102012002447A1 Piston ring for combustion engine, has groove provided in region of ring-joint ends in ring running surface and filled with coating agent after subsequent coating of running surface, where ring-joint ends are spaced from each other by gap
11/22/2012DE102011102205A1 Processing a sliding surface of component e.g. oil scraper ring that is useful for piston of internal combustion engine, comprises introducing micro recesses into surface by laser machining, and filling recesses with solid material
11/21/2012CN202545797U Cylinder dynamic sealing ring with retaining ring
11/21/2012CN202545044U Steel oil ring with long service life
11/21/2012CN202545043U High-precision bushing ring
11/20/2012US8313104 Sealing device
11/20/2012US8312805 High pressure pump piston
11/15/2012WO2012152240A1 Piston ring for two-stroke engines
11/15/2012DE102012000241A1 Kolbenring für 2-Taktmotoren Piston ring for 2-stroke engines
11/08/2012DE102011100418A1 Circular piston for piston engine, has upper base element made of material having relative low thermal conductivity and connected with lower bottom section of piston, where lower bottom section is provided on region of piston head system
11/07/2012EP2520833A2 Nitrided piston ring resistant to crack propagation
11/07/2012CN202520937U Novel superpressure compound piston seal
11/07/2012CN202520936U Compound bidirectional piston sealing ring
11/07/2012CN202520934U Metering tube piston head structure for high-precision analyzer
11/07/2012CN102770584A Sliding element, in particular a piston ring, and method for coating a sliding element
11/07/2012CN102770235A Method for producing piston rings
11/07/2012CN102767619A Electrode band-type brake with piston guide sealing structure
11/07/2012CN101983256B Piston ring
11/01/2012WO2012147599A1 Wear ring used in linear actuating device
10/2012
10/31/2012EP2518373A1 Piston ring
10/31/2012DE102007059205B4 Ölabstreifring Oil ring
10/31/2012CN202510701U Piston ring provided with amorphous a chromium-carbon (Cr-C) alloy electroplated coating
10/26/2012WO2012144024A1 Seal structure
10/25/2012DE102008038636B4 Kolbenring Piston ring
10/24/2012EP2513526A1 Piston having piston rings and support rings
10/24/2012CN102753839A Fluid pressure cylinder
10/24/2012CN102748468A Piston ring
10/24/2012CN102748467A Seal air ring arranged in annular air slot of piston of cone crusher
10/18/2012US20120261886 Multi-piece oil ring
10/17/2012EP2511575A1 Piston ring and piston device
10/17/2012CN102741535A Piston ring
10/11/2012US20120255434 Piston
10/11/2012DE112010004763T5 Dichtungsbaugruppe für einen Verbrennungsmotor A seal assembly for an internal combustion engine
10/10/2012EP2508740A1 Piston ring
10/10/2012EP2507538A1 Piston ring and process for manufacturing a piston ring
10/10/2012CN202484287U Piston with double-ring closed, point-centered and joint-staggered using structure
10/10/2012CN202484286U Piston structure of clutch cylinder
10/10/2012CN202483740U Piston skirt of marine diesel engine with wearing ring
10/10/2012CN102725503A Reciprocating engine
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