Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02F - Cylinders, pistons, or casings for combustion engines; Arrangements of sealings in combustion engines › F02F 5 - Piston rings, e.g. associated with piston crown
Patents for F02F 5 - Piston rings, e.g. associated with piston crown (2,184)
07/2012
07/04/2012CN202300691U 发动机第一道气环 Engine first ring
07/04/2012CN202300690U 一种改进的柴油机活塞结构 An improved diesel engine piston structure
07/04/2012CN202300687U Composite set of piston and piston ring of motorcycle engine
07/04/2012CN202300686U 车辆气缸用活塞 Vehicles cylinder piston
07/04/2012CN102536501A Weifeng power engine machine
07/04/2012CN102534354A Alloy gray cast iron piston ring as well as manufacturing method and special template thereof
07/04/2012CN101384841B Piston ring
06/2012
06/27/2012CN202284502U 发动机第三道油环 The third engine oil ring
06/27/2012CN102518529A External circle contour shape of oil ring and machining method for external circle contour shape
06/21/2012WO2012079513A1 Double universal jointed connecting rod and axial piston having metallic sealing ring
06/20/2012CN102506173A Laser working method, and oil ring wire rod
06/13/2012CN102493890A Inclined piston ring type piston structure
06/07/2012WO2012073717A1 Sliding structural members
05/2012
05/30/2012CN202250456U Piston ring
05/30/2012CN202250455U Conical surface piston oil ring
05/30/2012CN202250453U Piston of construction machinery engine
05/30/2012CN202250452U Double-trapezoid-shaped piston with inlaid ring
05/30/2012CN202250451U Electric spraying piston with oil duct
05/30/2012CN202246833U Piston ring of nitrided excircle ultrahard electric arc ion multi-variant composite metal ceramic coating
05/30/2012CN101943039B Improvement on ignition and lubrication of gasoline engine for lawn mower
05/30/2012CN101680078B Chromium nitride coating film by ion plating, process for producing the same, and piston ring for internal combustion engine
05/24/2012WO2012067084A1 Piston ring
05/24/2012US20120126487 Sliding member having a thermally sprayed coating and method for producing same
05/24/2012DE102008017583B4 Kolbenring Piston ring
05/23/2012CN202228205U Piston oil ring with drilled holes
05/23/2012CN202228204U Piston ring for engine
05/23/2012CN102465789A 一种新型油环刮片定位机构 A new oil ring blade positioning mechanism
05/23/2012CN102465788A 一种油环刮片开口定位装置 An oil ring opening blade positioning device
05/23/2012CN102465787A 一种防断裂密封活塞环 An anti-fracture sealing piston ring
05/16/2012DE102007007963B4 Kolbenring Piston ring
05/16/2012DE102007007961B4 Kolbenring Piston ring
05/10/2012DE102010050598A1 Producing piston ring, comprises providing base body comprising cast iron by mechanical processing with web forming tread region, polishing tread surface of web, and applying physical vapor deposition-layer on polished tread surface
05/10/2012DE102007007960B4 Kolbenring Piston ring
05/09/2012CN202215392U Piston-ring I-shaped oil control ring with superhard multi-arc ion plating layer at excircle
05/02/2012CN102434307A Moving composite member for internal combustion engine
04/2012
04/25/2012EP1774053B8 Method for producing a coat on a piston ring and piston ring
04/25/2012CN202202977U 一种汽油发动机的活塞环 A gasoline engine piston ring
04/25/2012CN101972850B 一种离心等离子冶金高红硬性活塞环的方法 A centrifugal plasma metallurgy high red hardness piston ring method
04/19/2012US20120091663 Nitriding Grade Steel Material Composition for Manufacturing Piston Rings and Cylinder Liners
04/18/2012CN202194734U 柴油发电机组 Diesel generator sets
04/18/2012CN102418620A 一种pvd铬基陶瓷复合镀层的活塞环 One kind pvd chromium-based ceramic composite coating of piston rings
04/18/2012CN101429904B 活塞环 Piston Ring
04/17/2012US8157268 Piston for internal combustion engines
04/11/2012CN202187835U 一种外圆超硬多弧离子镀层的钢带组合油环刮片环 One kind of cylindrical multi-arc ion plating superhard combination oil ring steel blade ring
04/11/2012CN202187834U 汽车发动机活塞 Automotive engine piston
04/04/2012CN202181961U 一种发动机活塞环 An engine piston ring
03/2012
03/29/2012DE102010046552A1 Piston ring for combustion engine, has radial outer running surface whose pressure-intensive region is provided with recesses along circumferential direction, where hard-wearing material is introduced into recesses
03/28/2012EP1774053B1 Method for producing a coat on a piston ring and piston ring
03/28/2012CN101435381B 活塞环 Piston Ring
03/27/2012US8141881 Seal and seal arrangement
03/15/2012DE102010045221A1 Stahlkolben für Verbrennungsmotoren Steel pistons for internal combustion engines
03/07/2012CN202157875U 蛇形组合油环 Serpentine combination oil ring
03/07/2012CN101608575B Optical engine
03/01/2012DE102007007965B4 Kolbenring Piston ring
02/2012
02/29/2012CN202152708U 藕形组合油环 Lotus-shaped combination oil ring
02/29/2012CN202152707U 柔性倒u型一体化钢质油环 Flexible integration inverted u-type steel oil ring
02/23/2012WO2012022012A1 Oil-reserving piston ring
02/16/2012DE102010002688B4 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
02/16/2012DE102010002687B4 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
02/15/2012CN102352800A Piston ring with long service life
02/09/2012DE102010038868A1 Piston ring for use in piston engine in motor car, has inner surface on which inner coating is provided, where thermal expansion coefficient of material of inner coating differs from that of material of ring
02/08/2012CN202140186U 一种柴油机 A diesel
02/08/2012CN102345084A Piston ring
02/02/2012DE102010035289B3 Oil stripping piston ring for internal combustion engine, has bars comprising stripping regions that are arranged at preset angle with respect to cylinder bearing surface
02/01/2012CN202132124U 润滑槽式活塞 Lubricated piston trough
02/01/2012CN102337983A Piston ring
02/01/2012CN102337982A 发动机活塞环 Engine piston ring
01/2012
01/25/2012CN202125367U Piston assembly
01/25/2012CN102330611A Low-wear stroke piston combustion engine
01/18/2012CN202117795U Steel ring-embedded molybdenum-sprayed piston ring
01/11/2012CN202108605U Environment-friendly piston ring
01/11/2012CN1764745B Composite chromium plating film and sliding member having the same and method for manufacture thereof
01/11/2012CN102317659A Wire rod for I-type oil ring, and its manufacturing method
01/11/2012CN102312753A Piston ring accessory for automobile
01/11/2012CN102312752A Piston ring for automobile
01/11/2012CN101793320B Piston, end shaft-movable shaft mechanism and internal combustion engine, compressor
01/04/2012CN102305149A Air gap-free self sealing piston ring
12/2011
12/28/2011CN202091055U 镶嵌钢环镀铬活塞环 Chrome-plated piston rings inlaid steel ring
12/21/2011CN102292535A 密封套筒 Sealing sleeve
12/14/2011CN102278227A 一种耐磨镶圈活塞 A wear-resistant Piston Ring
12/08/2011WO2011152114A1 Oil ring for internal combustion engine
12/08/2011WO2011151927A1 Oil ring for internal combustion engine
12/01/2011WO2011148934A1 Pressure ring and method for producing the same
12/01/2011WO2011147808A1 Sliding element
12/01/2011DE102011102287A1 Kolbenanordnung Piston assembly
12/01/2011DE102010029256A1 Gleitelement Slider
11/2011
11/24/2011WO2011145758A1 Adiabatic insulated diesel engine, and highly efficient generator engine using same
11/17/2011DE102010020491A1 Piston for reciprocating internal combustion engine, particularly two-stroke- large diesel engine, has piston ring that is formed as gas-tight piston ring without leakage and is removed from work space
11/16/2011CN202039967U Locking buckle type piston ring used for sealing in marine supercharger
11/16/2011CN202039966U Piston ring component capable of reducing oil consumption of engine
11/16/2011CN202039965U Piston ring for reducing wearing of circular groove
11/16/2011CN102242681A Method for optimizing function of a piston ring set and piston ring set using the same
11/16/2011CN101737191B Optical engine and lengthened piston thereof
11/10/2011WO2011137747A1 Piston ring for sealing gas and piston
11/09/2011CN102235264A End-clearance-free piston ring provided with positioning groove
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
10/27/2011US20110260410 Method for stabilizing a piston ring and means for carrying out said method and use of same
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