Patents for F02F 5 - Piston rings, e.g. associated with piston crown (2,184)
02/2014
02/26/2014CN203452926U Multilayer connected-type piston ring
02/26/2014CN203452925U 摩托车活塞环 Motorcycle Piston Ring
02/26/2014CN203452924U 活塞环 Piston Ring
02/26/2014CN203452923U 压缩环 Compression ring
02/19/2014CN203441622U 活塞环结构 Piston ring structure
02/19/2014CN203441620U Piston structure assembly of automobile engine
02/13/2014WO2014024799A1 Wire rod for taper faced compression ring and taper faced compression ring
02/13/2014DE102010020491B4 Verfahren zum Betrieb einer Hubkolbenbrennkraftmaschine und Kolben für eine Hubkolbenbrennkraftmaschine Method for operating a reciprocating internal combustion engine and a plunger for a reciprocating internal combustion engine
02/13/2014DE102010020490B4 Verfahren zur Optimierung der Funktion eines Kolbenringpakets sowie hierfür geeignetes Kolbenringpaket Method for optimizing the function of a piston ring package as well as suitable for this purpose piston ring package
02/12/2014CN203430646U Piston with double gas ring pairs
02/12/2014CN103573462A 活塞环 Piston Ring
02/12/2014CN103572140A components and preparation process of piston ring
02/05/2014EP2693085A1 Multi-piece oil ring
01/2014
01/29/2014CN203412669U Plane hasp type energy-saving environment protection piston ring oil ring
01/29/2014CN103541830A Circular seal assembly
01/29/2014CN103541829A Snap spring type piston ring
01/23/2014DE102012014188A1 Kolben für einen Verbrennungsmotor Piston for an internal combustion engine
01/22/2014CN103527343A Arranging method of piston oil rings of engine
01/15/2014CN203394650U Improved piston ring for internal combustion engine
01/15/2014CN203394649U Improved wear-resisting piston ring
01/15/2014CN203394648U Piston gas ring, engine and automobile
01/15/2014CN103518087A 活塞环 Piston
01/15/2014CN101825038B Piston ring group
01/08/2014CN203384357U Ceramic seal ring
01/08/2014CN103502700A Multi-piece oil ring
01/02/2014US20140000549 Compression ring for an engine
01/01/2014CN203374379U Abrasion-resisting piston ring
01/01/2014CN203374378U Piston ring composite structure
01/01/2014CN203374363U Diesel engine power cylinder combination mechanism
01/01/2014CN103492769A Piston ring
12/2013
12/31/2013US8616556 Combined oil ring
12/25/2013EP2677215A1 Piston ring
12/25/2013CN203362333U LB-type nick overlapping piston ring
12/25/2013CN203362332U Piston assembly of supercharged engine
12/25/2013CN103470395A Reinforced piston ring
12/25/2013CN103469283A Composite coating piston ring inlaid with wear-resistant particles, and processing method thereof
12/18/2013CN203347938U Optimized and combined piston ring
12/18/2013CN203347937U Two-piece piston oil ring of engine
12/18/2013CN103452695A Combined piston ring
12/18/2013CN103452694A Leakage-proof piston ring
12/18/2013CN103452693A Anti-loose type piston ring
12/18/2013CN103452692A Radiating piston ring
12/18/2013CN103452691A Anti-blow-by piston ring set for automobile supercharged engine
12/18/2013CN102292535B 密封套筒 Sealing sleeve
12/11/2013EP2672151A1 Combined piston ring
12/11/2013CN103437902A High-performance piston ring
12/11/2013CN103437901A Composite piston ring
12/05/2013WO2013180065A1 Combined oil control ring
12/05/2013US20130320625 Insertion apparatus
12/05/2013DE112012001018T5 Kolbenring Piston ring
12/05/2013DE102011102287B4 Kolbenanordnung Piston assembly
11/2013
11/27/2013CN103410962A Ceramic sealing ring
11/27/2013CN103410629A Piston assembly of multi-ring-land composite piston ring
11/20/2013CN103403409A 活塞环 Piston Ring
11/20/2013CN103403229A Composite chromium plating film, and sliding member equipped with the film
11/14/2013DE102012207814A1 Component, preferably sliding element comprises a substrate element, and a protective coating applied on the substrate element, comprising a primary layer, whose primary components are molybdenum and nitrogen
11/14/2013DE102012207813A1 Gleitkörper mit Beschichtung Sliding with coating
11/13/2013CN203285562U Outline-optimized two-piece-type oil ring with DLC coating
11/07/2013US20130291824 Oil control ring
11/06/2013EP2660362A1 Composite chromium plating film, and sliding member equipped with the film
11/06/2013CN203271938U Piston gas ring
11/06/2013CN203271937U Diesel engine trapezoidal-barrel-face piston ring
11/05/2013US8575076 Sliding member and production process thereof
10/2013
10/31/2013DE102012004760B4 Verfahren zur Herstellung eines Trapezkolbenrings sowie Trapezkolbenring A method for producing a trapezoidal piston ring and piston ring trapeze
10/30/2013CN103374674A High-strength aluminum alloy piston of diesel engine and preparation method thereof
10/29/2013US8567788 Motor vehicle brake master cylinder seal
10/24/2013DE102012013803A1 Piston ring for combustion engine, has transition area forming sharp striking edge in contact area from lower flank area, while curved shell surface extending in direction of upper flank area is protruded from striking edge
10/23/2013CN203248270U Energy-saving piston assembly
10/23/2013CN203248269U Piston ring of internal combustion engine
10/23/2013CN103362683A Multi-ring-land composite type piston ring and assembly
10/09/2013EP2647738A1 Sliding structural members
10/03/2013WO2013144067A1 Piston
10/02/2013CN103339422A Combined piston ring
09/2013
09/19/2013WO2013137060A1 Combination of cylinder and piston ring
09/19/2013WO2013136510A1 Tough film and sliding member
09/19/2013DE102012204156A1 Kolbenring mit Chrom-Feststoffpartikel-Verschleißschutzschicht und korrosionsbeständiger Flankenfläche Piston ring with chrome solid particle wear protective coating and corrosion resistant flank surface
09/18/2013CN203201678U Piston assembly of internal combustion engine
09/12/2013DE102012004760A1 Method for manufacturing e.g. oil scraper ring, for internal combustion engine i.e. large engine, involves removing chromium layers from flank surfaces in running surface, so that transition region forms chromium-free stripping edge
09/11/2013CN203189140U Piston ring of gasoline engine
09/11/2013CN203189139U Piston ring
09/11/2013CN103290305A Piston insert ring resistant to low temperature impact and preparation method thereof
09/11/2013CN103290301A Austenitic cast iron wear-resistant insert ring inserted in aluminum piston, and preparation method thereof
09/06/2013WO2013025472A3 Energy diffusing wear ring and methods thereof
09/04/2013CN102534354B Alloy gray cast iron piston ring as well as manufacturing method and special template thereof
08/2013
08/22/2013WO2013123337A1 Piston ring for an internal combustion engine
08/22/2013DE112011103828T5 Kolbenring Piston ring
08/22/2013DE102012209393A1 Fahrzeugkolbenring mit einer mehrschichtigenBeschichtung Vehicle piston ring with a mehrschichtigenBeschichtung
08/21/2013EP2628932A2 Reciprocating engine
08/21/2013CN103256142A Fuel-saving type Cr-O-N nanocrystalline composite ceramic coated piston ring of diesel engine and preparation method thereof
08/21/2013CN103256139A Energy-saving piston connecting rod pair for Chaoyang series 102 engine
08/21/2013CN101769205B Vehicle engine
08/15/2013US20130207350 Engine
08/14/2013EP2626598A2 Engines and pistons for them
08/14/2013CN203130278U Full sealed piston and piston ring
08/08/2013DE102012002443A1 Kolbenring für einen Verbrennungsmotor Piston ring for an internal combustion engine
08/07/2013CN203114448U Piston ring capable of avoiding scuffing of cylinder bore
08/07/2013CN203114447U High-wear resistance piston ring
08/01/2013DE102011076453B4 Kolbenring mit Verbundbeschichtung Piston ring with composite coating
07/2013
07/31/2013CN203098072U High-wear-resisting low frictional work loss piston ring
07/31/2013CN103228817A Sliding structural members
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