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)
12/2012
12/27/2012WO2012176847A1 Piston ring
12/27/2012WO2012176846A1 Piston ring
12/27/2012WO2012176834A1 Pressure ring and fabrication method therefor
12/26/2012CN202628308U Combined type piston ring with diamond-like plating
12/26/2012CN202628307U Combined piston ring
12/26/2012CN202628306U Combined type piston ring of similar diamond coating
12/26/2012CN202628305U Combined type tin plating piston ring
12/26/2012CN202628304U Combined wear resistant piston ring
12/26/2012CN202628303U High abrasion-resistant combined type piston ring
12/26/2012CN202628302U Combined piston ring with ceramic particle reinforced composite coating
12/26/2012CN202628301U Compound piston ring with plasma nitride layers
12/26/2012CN102840052A Lotus root-shaped combined oil ring
12/26/2012CN102840051A Snake-shaped combined oil ring
12/26/2012CN102840050A Flexible reversed-U-shaped integral steel oil ring
12/26/2012CN102840049A Overall ultrathin steel oil ring
12/19/2012CN202611917U Combined type piston ring with composite chromium plating layer
12/19/2012CN202611916U Diamond-like carbon cladding combined-type piston ring
12/12/2012CN202596908U Single-camshaft gasoline engine
12/12/2012CN102817706A Combustible-ice engine
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
12/05/2012CN202578932U Piston
12/05/2012CN102808703A Piston ring with ceramic two-phase structured coating
11/2012
11/29/2012DE112010003953T5 Ölring für Verbrennungsmotor Oil ring for internal combustion engine
11/29/2012DE102011076453A1 Kolbenring mit Verbundbeschichtung Piston ring with composite coating
11/28/2012CN102797587A Technical application of gap of closed ring opening of engine
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
11/21/2012CN202545046U Cast iron ring with good oil conduction
11/21/2012CN202545045U Sheet ring with high lubricating performance
11/21/2012CN202545044U Steel oil ring with long service life
11/21/2012CN202545043U High-precision bushing ring
11/15/2012DE102012000241A1 Kolbenring für 2-Taktmotoren Piston ring for 2-stroke engines
11/14/2012CN102777281A Stacking composite coating piston ring and manufacturing method thereof
11/07/2012CN102182580B Ceramic-infiltrated piston ring and ceramic infiltration method thereof
10/2012
10/31/2012DE102007059205B4 Ölabstreifring Oil ring
10/31/2012CN202510241U Bouncing piece lubricated anti-wear closed piston ring
10/25/2012DE102008038636B4 Kolbenring Piston ring
10/24/2012CN202500672U Chrome-based diamond composite coating nitridized steel piston ring
10/24/2012CN101994598B Piston for engine having stable behavior of piston ring
10/18/2012US20120261886 Multi-piece oil ring
10/18/2012DE112010004766T5 Beschichtungszusammensetzung für Motorteile und diese umfassendes Motorteil Coating composition for engine parts and this comprehensive motor part
10/17/2012EP2511575A1 Piston ring and piston device
10/17/2012CN202493356U Scraping sheet ring in step type structure
10/17/2012CN202493355U Piston ring for high-thermal load engine
10/17/2012CN202493353U Piston, piston ring and cylinder liner of combustion motor
10/17/2012CN102741535A Piston ring
10/10/2012EP2508740A1 Piston ring
10/10/2012CN202483744U Novel piston ring
10/10/2012CN202483740U Piston skirt of marine diesel engine with wearing ring
10/04/2012WO2012133714A1 Multi-piece oil ring
10/04/2012DE102012005174A1 Piston ring e.g. pressure ring, for use in groove of piston of e.g. diesel engine, has bonding layer made of pure chromium material and arranged between lower and exterior layers of outer peripheral front side of main annular metallic base
10/03/2012CN202468053U Piston and piston ring group thereof
10/03/2012CN202468052U Lubricated piston ring
10/03/2012CN202468050U Totally-closed piston/airtightness piston ring component
10/03/2012CN102705102A 活塞环 Piston Ring
09/2012
09/27/2012US20120242047 Piston ring and piston device
09/26/2012CN202451293U Novel piston ring
09/20/2012WO2012122693A1 Piston ring with diamond-like gradient coating
09/20/2012US20120235359 Oil ring for internal combustion engine
09/19/2012CN102678369A Linerless engine
09/12/2012CN202431391U Piston ring with solid lubrication coating
09/12/2012CN202431388U Light quantization piston of motorcycle lower-side-arranged camshaft engine
09/07/2012WO2012118036A1 Piston ring
09/07/2012WO2012117987A1 Piston ring
09/06/2012DE102008017583B9 Kolbenring Piston ring
09/05/2012CN202417732U Piston ring with non-stick coating
08/2012
08/29/2012CN202402159U Seal piston ring used for air cylinder of internal combustion engine
08/29/2012CN202402158U Oil ring in piston ring of internal combustion engine
08/29/2012CN102652162A Coating composition for engine parts and engine part using same
08/29/2012CN101498256B Chromium based diamond composite chrome plating coating piston ring and method of processing the same
08/23/2012WO2012111826A1 Piston ring
08/22/2012CN202391591U High performance composite coating piston ring
08/22/2012CN202391590U Piston ring
08/22/2012CN102648366A Piston ring and piston device
08/15/2012CN202381188U Non-eccentric-wear composite air cylinder piston group
08/15/2012CN102639852A Oil ring for internal combustion engine
08/15/2012CN102639851A Piston ring
08/09/2012WO2012105538A1 Combined piston ring
08/09/2012DE102012001748A1 Verfahren zur Herstellung eines Materials zum Zentrieren eines Ringes innerhalb einer Nut eines Kolbens, wenn sich der Ring in einem freien Zustand befindet A method for producing a material for centering a ring within a groove of a piston, when the ring is in a free state
08/09/2012DE102011010656A1 Kolbenring Piston ring
08/08/2012EP2484941A1 Combined oil ring
08/08/2012CN202370688U Piston and embedding ring arranged in annular groove of piston
08/01/2012CN202360238U Piston ring provided with electric arc ion multi-element composite metal ceramic cladding with superhard excircle
08/01/2012CN102619621A Improved double-stroke horizontally opposite double-shaft engine
07/2012
07/25/2012CN202348468U Piston ring with PVD (Physical Vapor Deposition) chrome-based ceramic composite coating
07/25/2012CN202348467U Abrasion-resistant piston ring
07/18/2012CN202338409U 一种内燃机活塞环 An internal combustion engine piston ring
07/18/2012CN202338408U 带有氮化层和铬-石墨复合涂层的活塞环 With a nitride layer and chromium - graphite composite coating piston ring
07/18/2012CN102588139A Fully closed piston or gas tightness piston ring component
07/12/2012DE102011008182A1 Internal combustion engine for use in motor car, has sealing body comprising sealing edges or sealing surfaces, which are radially pressed at counter running surface of cylinder, where sealing body is made of thermoplastic material
07/11/2012CN202325890U 长寿命活塞环 Long life Piston
07/11/2012CN202325889U 多元共渗活塞环 Multicomponent permeation Piston
07/11/2012CN202325888U 一种低张力活塞环组件 A low tension piston ring assembly
07/11/2012CN102575767A Combined oil ring
07/11/2012CN102562351A Lubrication antiwear closed piston ring with skipping piece
07/11/2012CN101865028B Optical engine
07/05/2012WO2012091047A1 Composite chromium plating film, and sliding member equipped with the film
07/04/2012CN202300693U 活塞和活塞环组件 Piston and piston ring assembly
07/04/2012CN202300692U 发动机第二道气环 Engine second rings
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