Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592)
11/2011
11/16/2011CN202039965U Piston ring for reducing wearing of circular groove
11/16/2011CN202039140U Coating film for electrolytic coating of surrounding area on surface of cylindrical body
11/16/2011CN101839341B Piston ring and surface spongy chromium plating technique thereof
11/10/2011WO2011137747A1 Piston ring for sealing gas and piston
11/09/2011EP2385273A1 Piston ring
11/09/2011CN102235264A End-clearance-free piston ring provided with positioning groove
11/03/2011US20110268946 Sliding element in an internal combustion engine, in particular a piston ring
11/03/2011US20110266753 Sealing sleeve
11/02/2011EP2382384A1 Sealing sleeve
11/02/2011CN202023648U Oil ring and electroplating system for oil ring
11/02/2011CN202023647U Piston ring of multi-solitary ion plating layer with excircle being superhard after nitridation
10/2011
10/27/2011WO2011132679A1 Oil ring for internal combustion engine
10/26/2011EP2137435B1 Piston ring
10/26/2011EP2122209B1 Pistons for internal combustion engines
10/20/2011US20110256366 Method for coating a sliding element and sliding element, in particular a piston ring or cylinder liner of an internal combustion engine
10/20/2011US20110254230 Coatings and powders, methods of making same, and uses thereof
10/19/2011CN202012586U Oil cylinder piston used for hydraulic clutch bearing
10/19/2011CN102221026A High-frequency low-friction bottle-blowing air cylinder
10/19/2011CN101611249B Pistons for internal combustion engines
10/13/2011WO2011124405A1 Annular seal element
10/13/2011US20110250067 Shaft seal
10/12/2011EP2167806B1 Piston
10/12/2011CN202007887U Integral sealing engineering cylinder
10/11/2011US8033803 Compressor having improved sealing assembly
10/11/2011US8033550 Piston ring having hard multi-layer coating
10/05/2011CN202001134U Combined type piston compression ring
10/05/2011CN202001133U Ceramic penetration piston gas ring with sealing sheet
10/05/2011CN1922422B Sealing arrangement for relatively movable parts and device including such a sealing arrangement
10/05/2011CN101253352B Oil-control ring for an internal combustion engine
10/05/2011CN101205849B Piston with oil collector ring
10/04/2011US8028997 Resin seal ring and manufacturing method
09/2011
09/29/2011US20110232245 Auxiliary o-ring gland
09/28/2011CN201992058U 外置式千斤顶顶杆活塞支承与密封结构 External jack ram piston bearing and seal structure
09/28/2011CN102203471A Piston ring for an internal combustion engine
09/22/2011DE19639798B4 Einzel-Abstreiferanordnung Single wiper
09/21/2011CN102192322A Combination oil ring
09/21/2011CN102192321A Double-lip leather cup for lifter
09/15/2011WO2011110413A1 Sliding element, in particular a piston ring, and method for coating a sliding element
09/15/2011WO2011110412A1 Helical compression spring for an oil scraper ring of a piston in an internal combustion engine and method for coating a helical compression spring
09/15/2011WO2011110411A2 Method for coating at least the inner face of a piston ring and piston ring
09/15/2011US20110221141 Combination oil ring
09/15/2011DE102010002688A1 Schraubendruckfeder für einen Ölabstreifring eines Kolbens in einem Verbrennungsmotor und Verfahren zur Beschichtung einer Schraubendruckfeder Helical compression spring for an oil scraper ring of a piston in an internal combustion engine and method for coating a helical compression spring
09/15/2011DE102010002687A1 Verfahren zur Beschichtung zumindest der Innenfläche eines Kolbenrings sowie Kolbenring A method of coating at least the inner surface of a piston ring and piston ring
09/15/2011DE102010002686A1 Gleitelement, insbesondere Kolbenring, und Verfahren zur Beschichtung eines Gleitelements Sliding element, in particular piston ring, and methods for coating a sliding member
09/14/2011EP2365233A1 Combination oil ring
09/14/2011CN201973233U 一种在一汽环槽内安装两个汽环的活塞 An installation of two steam ring piston ring groove in the FAW
09/14/2011CN102187129A Method for coating a sliding element and sliding element, in particular a piston ring or cylinder liner of an internal combustion engine
09/13/2011US8016295 Helical backup element
09/13/2011CA2461371C Actuator
09/08/2011US20110215534 Piston ring for an internal combustion engine
09/07/2011CN201963865U 内外密封唇加副唇活塞密封圈 Inner and outer sealing lip plus Vice lip piston seal
09/07/2011CN201963862U 限压密封活塞及其排气制动蝶阀 Pressure limiting valve sealing pistons and exhaust brake
09/07/2011CN101696731B Two-way contact type shaft seal ring
09/06/2011US8011289 Half-sleeved and sleeveless plastic piston pumps
09/01/2011WO2011103853A1 Method for producing piston rings
09/01/2011WO2011079360A3 Nitrided piston ring resistant to crack propagation
08/2011
08/31/2011CN201953983U 一种液压机构用活塞 A hydraulic piston mechanism
08/31/2011CN201952158U 主活塞单导向式预应力液压千斤顶 Main piston guide prestressed single hydraulic jack
08/31/2011CN201951419U 一种汽车前照灯清洗装置 A vehicle headlamp cleaning device
08/31/2011CN102171383A Sliding element in an internal combustion engine, in particular a piston ring
08/31/2011CN102168760A Sealing structure with favorable safety for piston cylinder
08/31/2011CN102168630A Fixing structure of engine sealing ring
08/31/2011CN102168627A Piston ring set with high wear resistance
08/30/2011USRE42654 Seal assembly
08/25/2011US20110204575 Piston ring
08/25/2011DE102010008924A1 Verfahren zur Herstellung von Kolbenringen A process for the production of piston rings
08/24/2011CN201944254U 一种应用于柱塞式汽车制动主缸的皮碗 Applied to a plunger-type automobile brake master cylinder cup
08/24/2011CN201944253U 一种活塞密封结构 One kind of piston seal structure
08/24/2011CN201943836U Diamond-like carbon gradient-coating piston ring
08/24/2011CN102161807A Ultralow-temperature piston ring and preparation method thereof
08/24/2011CN101581365B Internal compression-type sealing ring
08/18/2011WO2011099402A1 Fluid pressure cylinder
08/17/2011CN102155327A Piston ring capable of sealing air cylinder
08/16/2011US7997584 Piston ring for the piston of an internal combustion engine
08/16/2011US7997185 Piston ring
08/11/2011WO2011094906A1 End-unsymmetrical complementary close-type abrasion-resistant piston ring
08/11/2011DE10015709B4 Kolben mit einem ringförmigen Kühlkanal Piston with an annular cooling channel
08/10/2011EP2212592B1 Functionally optimized design of the piston-ring field region in steel pistons
08/10/2011CN201925463U 柱塞式主缸快进液主皮碗 Fast forward a plunger-type master cylinder primary cup liquid
08/10/2011CN201925462U 加强支撑环齿状密封面的活塞密封 Strengthening the seal surface of the toothed support ring piston seal
08/04/2011WO2011093464A1 Piston ring
08/04/2011WO2011093106A1 Reciprocating engine
08/04/2011WO2011091876A1 Oil control ring
08/04/2011US20110186002 Piston having ceramic head
08/03/2011EP2350502A1 Piston ring for an internal combustion engine
08/03/2011CN201913109U 轧机用工作辊弯辊缸 Mill work roll bending cylinders
08/03/2011CN102141149A Tail end asymmetric complementary closed-type wear-resisting piston ring
08/02/2011US7988156 Additive pump
07/2011
07/27/2011EP2347149A1 Method for coating a sliding element and sliding element, in particular a piston ring or cylinder liner of an internal combustion engine
07/27/2011CN201909029U Piston structure of air pressure type pulse ejector
07/27/2011CN101619764B Joint type magnetic piston ring
07/21/2011WO2011085754A1 Piston ring optimised in respect of cylinder shape and internal combustion engine
07/20/2011EP2345527A1 Sealing tool
07/20/2011CN102128261A Connecting structure and installation method for piston and piston rod
07/20/2011CN102127293A Formula and production process of thermoplastic polyurethane hydraulic sealing ring material
07/13/2011CN201896938U Hydraulic cylinder used seal ring
07/07/2011WO2011079360A2 Nitrided piston ring resistant to crack propagation
07/06/2011CN201891522U Novel oil ring scraping sheet positioning mechanism
07/06/2011CN101208461B Piston ring having hard multi-layer coating
06/2011
06/30/2011WO2011075804A1 Piston ring
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