Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16J - Pistons; Cylinders; Pressure vessels in general; Sealings › F16J 1 - Pistons; Trunk pistons; Plungers
Patents for F16J 1 - Pistons; Trunk pistons; Plungers (5,199)
01/2006
01/03/2006US6981429 Actuating device, especially a hydraulic or pneumatic actuator, for transmissions of vehicles, particularly motor vehicles
12/2005
12/29/2005US20050284289 Closed cavity piston for hydrostatic power units and method of manufacturing the same
12/28/2005CN2748708Y Funnel-shaped oil-free lubricating air compressor connecting rod piston
12/28/2005CN1233937C Piston pin of closed compressor
12/28/2005CN1233936C Method for producing piston for hydraulic cylinder
12/28/2005CN1233718C Material for making piston rubber-cup of slurry pump
12/22/2005WO2005121608A1 A piston, a ring and a piston assembly for a two cycle engine
12/21/2005CN1232727C Enclosed compressor
12/14/2005CN1231671C Compressor piston with reduced exhaust cross gap
12/08/2005DE10338568B4 Kolben für Brennkraftmaschine und Verfahren zu dessen Herstellung Piston for internal combustion engine and method of producing the
12/08/2005DE102004023379A1 Gudgeon pin for piston of diesel engine has axial depressing holes formed around center of reinforcement bar
12/07/2005CN1230633C Slide element
12/06/2005CA2245602C Fluid controller
12/01/2005WO2005113322A1 Collapsible track undercarriage for installation and tensioning
12/01/2005DE19828847B4 Kolbenbolzenbuchse Gudgeon pin bush
12/01/2005DE102004022175A1 Internal combustion engine for motor vehicle, has piston pin with modifiable axial length in non-installed position, where ends of pin are supported in recesses of piston, which are closed in direction of surface of piston casing
12/01/2005DE102004022173A1 Piston oscillating movement maintaining system for use in e.g. internal combustion engine, has piston conducting oscillating movement between top dead center and bottom dead center, and piston ring arranged on inner side of cylinder tube
12/01/2005DE102004021589A1 Piston ring for separating piston guided in cylinder is constructed in one piece and closed, and with recess formed on radially outwards orientated side of piston ring lying opposite rib supported in slot
12/01/2005CA2564347A1 Collapsible track undercarriage for installation and tensioning
11/2005
11/30/2005EP1600631A1 A compressor
11/30/2005CN2743630Y Improved piston and piston ring component element
11/24/2005WO2005089328A3 Free piston with time varying clearance seal
11/23/2005EP1597471A1 Mulitpart piston
11/22/2005CA2150534C Mecanical ejection device with an in-and-out mobile piston control
11/17/2005US20050252592 Collapsible track undercarriage for installation and tensioning
11/17/2005DE102004019012A1 Internal combustion engine piston with friction welded surfaces not requiring removal of welding flash from the outside of the welding se
11/17/2005DE102004018921A1 Method for producing a connecting rod involves use of the heat introduced in the heat treatment operation for preliminary heating in the subsequent coating operation
11/10/2005WO2005106292A1 Method for the production of a piston pin
11/09/2005EP1327089A4 Multi-axially forged piston
11/09/2005CN2739425Y Cubic apparatus press bucket type piston for diamond synthesis
11/03/2005US20050241796 Method for the production of a piston pin
11/03/2005DE202005013185U1 Working cylinder piston, has main body enclosing ring shaped guide band for guide slide bearing and including two axially adjacent piston units that are held together by locking guide slide bearing with them
11/03/2005DE102004018714A1 Method for constructing lightweight piston for IC engine is made of separately prepared ceramic components joined by adhesive
11/03/2005DE102004018713A1 Lightweight piston with gudgeon pin bearing is made of ceramic with carbon fibre reinforcing
11/03/2005DE102004018712A1 Piston for reciprocating type internal combustion engine, has piston head, piston shaft and piston pin bearing that are made of ceramic, where piston shaft is adjacent to piston head
11/02/2005EP1590584A2 Wrist pin
10/2005
10/27/2005US20050238270 Lubrication free connection
10/25/2005USRE38851 Shock absorbing arrangement for marine outboard drive
10/25/2005US6957605 High pressure pump piston
10/20/2005WO2005050067A3 Phosphatized and bushingless piston and connecting rod assembly having an internal gallery and profiled piston pin
10/19/2005EP1419328A4 Monobloc piston for diesel engines
10/19/2005CN2735085Y Manual pump
10/13/2005US20050225038 Flexible graphite sealing joint with metal jacket for high temperature
10/13/2005US20050224038 Reciprocating engine
10/13/2005DE102004014577A1 Device for displacement of gas from closed and/or sealed fluid filled container has part of container or container's cover manufactured from air penetrable foam in such way that gas can escape under pressure
10/12/2005CN1222692C Closed cavity piston and its making method
10/06/2005DE4441452B4 Leichtmetallkolben für Brennkraftmaschinen Light alloy piston for internal combustion engines
10/06/2005DE10356404B4 Kolbenanordnung Piston assembly
10/06/2005DE102004013548A1 Kolbenbolzenbuchse Gudgeon pin bush
10/06/2005DE102004013011A1 Unit of piston and connecting rod, comprising rotating power transmitting element assembled of two rolls
10/06/2005DE10062988B4 Hydraulische Betätigungseinrichtung an Kraftfahrzeugen Hydraulic actuating device for motor vehicles
10/05/2005EP1438485A4 Monobloc piston
10/05/2005CN2731185Y Ring-joint type piston
10/04/2005US6951691 Surface treatment method
09/2005
09/29/2005WO2005090621A1 Piston pin bushing
09/29/2005WO2005089328A2 Free piston with time varying clearance seal
09/29/2005WO2005089142A2 Coated piston pin
09/29/2005US20050212222 Gasket and method of manufacturing the gasket
09/29/2005US20050211089 Lubricant-cooled and wristpin lubricating piston
09/29/2005US20050211088 Cooled piston for an internal combustion engine
09/29/2005DE202005010618U1 Piston for working cylinder, comprising two plastic halves attached to both sides of metal core
09/29/2005CA2558831A1 Coated piston pin
09/28/2005EP1427922A4 Closed gallery piston having pin bore lubrication
09/27/2005US6948417 Fluid cylinder with swivel joint
09/22/2005US20050207831 Coated piston pin
09/22/2005US20050204913 Free piston device with time varying clearance seal
09/22/2005DE19530631B4 Tauchkolben für Verbrennungsmotoren mit einem geteilten Kolbenbolzen Plunger for internal combustion engines with a divided piston pin
09/21/2005CN2727505Y Built up thin piston
09/15/2005DE19727186B4 Pendelkolben- und Zylinder-Anordnung Pendelkolben- and cylinder assembly
09/14/2005EP1573237A1 Piston-pin boss of a piston for an internal combustion engine
09/14/2005EP1573236A1 Piston for an internal combustion engine
09/14/2005CN1668866A Piston for an internal combustion engine
09/13/2005US6941854 Sliding pairing for machine parts that are subjected to the action of highly pressurized and high-temperature steam, preferably for piston-cylinder assemblies of steam engines
09/08/2005US20050193967 Sas piston channel for optimum air scavenging
09/08/2005DE102004008097A1 Kolbenbolzenlager für Kolben eines Verbrennungsmotors Piston pin bearing for pistons of an engine
09/07/2005EP1571307A1 Engine piston channel for optimum air scavenging
09/07/2005CN1664327A SAS piston channel for optimum air scavenging
09/01/2005WO2005080836A1 Sealing arrangement for relatively movable parts and device including such a sealing arrangement
09/01/2005US20050188942 Sliding structure for automotive engine
09/01/2005US20050188840 Internal combustion engine
09/01/2005DE10356396B4 Kolbenanordnung Piston assembly
09/01/2005DE102004005799A1 Verfahren zur Herstellung einer lokalen Verstärkung für ein Bauteil einer Brennkraftmaschine A process for producing a local reinforcement for a component of an internal combustion engine
08/2005
08/30/2005US6935469 Assembly with ball-joint connection for a master cylinder equipped with such an assembly, and method of assembling such an assembly
08/30/2005US6935299 Spring-supported crankshaft coupling structure for engine
08/30/2005US6935220 Contoured piston
08/25/2005WO2005078321A1 Piston pin bearing for pistons of an internal combustion engine
08/24/2005CN1659393A Flexible graphite sealing joint with metal jacket for high temperature
08/18/2005WO2005075704A1 Method for the production of a local reinforcement for a component of an internal combustion engine
08/18/2005DE102004004448A1 Gudgeon pin and load-bearing system for piston and little end of connecting rod in internal combustion engine uses semicircular projections on underside of piston engaging with bearing surfaces
08/17/2005EP1184558B1 Piston and piston ring assembly
08/17/2005CN2718328Y Spinning split piston
08/17/2005CN1656331A Piston-pin bearing for internal combustion engines
08/17/2005CN1215265C Ball socket joint for servo piston driving for cambered axle type hydraulic equipment
08/17/2005CN1214888C Method for making closed chamber piston
08/16/2005US6928921 Piston bore
08/11/2005DE102004003980A1 Enclosed coolant tube manufacturing method for use in piston, involves incorporating coolant tube with circular opening in piston, and fixing tube cover in opening using adhesives to cover opening, where tube is made of forged steel
08/11/2005DE10022657B4 Verfahren zur Oberflächenbehandlung von Aluminium oder Aluminiumlegierung und nach dem Verfahren behandelter Kolben einer Zylinder-Kolben-Anordnung A method for surface treatment of aluminum or aluminum alloy and treated according to the method piston of a cylinder-piston arrangement
08/10/2005EP1561938A1 Piston for an Internal combustion engine
08/10/2005CN2716597Y 千斤顶活塞 Jack piston
08/10/2005CN1651745A Internal combustion engine
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