Patents for F16J 1 - Pistons; Trunk pistons; Plungers (5,199) |
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06/13/1989 | CA1255553A1 Pistons |
05/31/1989 | EP0318182A2 A crosshead in combination with a connecting rod assembly and a piston rod |
05/30/1989 | US4834268 Dispensing cartridge with delivery piston |
05/30/1989 | US4833977 Piston for internal combustion engine |
05/30/1989 | US4833939 Built-up connecting rod |
05/30/1989 | CA1254803A1 Pistons for internal combustion engines |
05/24/1989 | EP0316330A1 Piston upper part with incorporated support bearings for supporting the piston pin of a piston engine. |
05/23/1989 | US4831977 Pistons with wear resistant solid film lubricant coatings |
05/23/1989 | US4831918 Light alloy pistons with reinforcing inserts for the piston pin bores |
05/16/1989 | US4830517 Device for locking rotation of an eccentric bearing of a compression ratio changing device |
05/16/1989 | US4829954 Method of forming self-sealing piston |
05/16/1989 | US4829940 Piston for two-cycle engines |
05/16/1989 | US4829883 Pistons |
05/16/1989 | CA1254157A1 Piston assembly |
05/10/1989 | EP0215047B1 Pistons |
05/09/1989 | US4827834 Four point seal |
05/03/1989 | EP0204792B1 Pistons |
04/20/1989 | DE3734358A1 Piston, particularly for internal combusion engines, with a connecting rod mounted rigidly on the dudgeon pin |
04/20/1989 | DE3733982A1 Trapezoidal connecting rod |
04/20/1989 | DE3733910A1 Piston for internal combustion engines |
04/20/1989 | DE3733600A1 Ball joint between piston and connecting rod of an internal combustion engine |
04/18/1989 | US4821627 Piston and cylinder assembly |
04/18/1989 | CA1252677A1 Pistons |
04/06/1989 | WO1989002982A1 Cooled plunger for internal combustion engines |
04/05/1989 | EP0309728A2 Piston for axial-piston engines |
04/04/1989 | US4817578 Light alloy cylinder block and an alumina and carbon fiber reinforced wall; slidability |
04/04/1989 | US4817505 Piston with stiffening structure for lower skirt regions |
03/30/1989 | DE3731177A1 Regulating device |
03/29/1989 | EP0308767A1 Plunger piston compressor |
03/28/1989 | US4815360 Rod-piston connection |
03/22/1989 | CN1031885A Reciprocal piston set and linkage |
03/21/1989 | US4813343 Ringless piston construction |
03/14/1989 | US4811654 Internal combustion engine piston with laterally offset crudgeon-pin bore in piston head and body portions |
03/14/1989 | CA1251010A1 Cast metal composite article |
03/08/1989 | EP0305521A1 Piston of internal combustion engine |
03/08/1989 | EP0305504A1 High pressure reciprocator components. |
03/07/1989 | US4809652 For internal combustion engine |
03/07/1989 | US4809646 Two)cycle internal combustion engine |
03/07/1989 | US4809591 For reciprocation in an internal combustion engine |
02/28/1989 | US4807577 Peristrophic internal combustion engine assembly and multi-part pistons |
02/28/1989 | US4807520 Linear hydraulic motor having a frangible piston head |
02/22/1989 | EP0268666A4 Piston-and-cylinder arrangement with radially-yieldable piston head. |
02/21/1989 | US4805518 Piston |
02/16/1989 | DE3806592A1 Retainer for gudgeon pins |
02/07/1989 | US4802382 Connecting rod assemblies intended for the reciprocating driving of a piston inside a cylinder |
02/07/1989 | US4802332 Sliding surface lubrication particularly advantageous for a free piston stirling engine |
01/31/1989 | US4800853 Adiabatic internal combustion engine |
01/24/1989 | US4799421 Hydrodynamic spiral-grooved journal bearing for electromagnetically rotated and reciprocated compressor piston |
01/19/1989 | DE3740820C1 Trunk piston for internal combustion engines with an upper inelastic and a lower elastic shaft region |
01/18/1989 | EP0299785A2 Wear resistant solid film lubricants, their preparation and use |
01/17/1989 | US4798493 Ceramic-metal composite body |
01/11/1989 | EP0298545A2 Bearings |
01/11/1989 | CN1030282A Design and production method for quasi-equalizing cross contour of skirt surface of piston |
01/10/1989 | US4796517 Metal piston and ceramic piston pin assembly |
01/04/1989 | EP0193591B1 Improvements in or relating to pistons |
01/03/1989 | US4794848 Anti-seizing design for circumferentially continuous piston ring |
12/29/1988 | DE3719469A1 Gebauter fluessigkeitsgekuehlter kolben fuer verbrennungsmotoren Built fluessigkeitsgekuehlter piston for internal combustion engines |
12/28/1988 | CA1247474A Manufacture of pistons |
12/21/1988 | CN87100219A Low-carbon martensite piston pin |
12/15/1988 | WO1988009889A1 Piston seal |
12/13/1988 | US4790236 Floating piston coupling for plunger type pumps |
12/01/1988 | WO1988009433A1 Coolable plunger piston for internal combustion engines |
11/30/1988 | EP0155315B1 Floating piston coupling for plunger type pumps |
11/29/1988 | US4787295 Piston for internal combustion engines |
11/23/1988 | EP0291867A2 Piston machine |
11/22/1988 | US4785774 Piston for an internal combustion engine |
11/22/1988 | US4785720 Lubrication mechanism for piston pin and snap ring |
11/17/1988 | WO1988008926A1 Provision for the combustion chamber surfaces of an internal combustion engine |
11/08/1988 | US4782740 Piston and shaft assembly for an end-of-car cushioning unit |
11/01/1988 | US4781159 Composite piston for use in the cylinder of a diesel engine |
10/27/1988 | DE3711630A1 Gudgeon pin fixing |
10/27/1988 | DE3711629A1 Gudgeon pin fixing |
10/26/1988 | EP0287562A1 Trunk piston having two parts, especially for combustion engines. |
10/26/1988 | CN88101928A 工作缸 Cylinder |
10/25/1988 | CA1243505A1 Inserts for diesel engine pistons made from aluminum-silicon alloys having improved resistance to high head and improved workability |
10/20/1988 | WO1988008097A1 A working cylinder |
10/20/1988 | WO1988008078A1 Light-metal trunk piston for internal combustion engines |
10/18/1988 | US4777869 Fluid actuator including a composite piston rod |
10/13/1988 | DE3710362A1 Piston pin lock |
10/11/1988 | US4776261 Reciprocating engine piston seal |
10/11/1988 | CA1242941A1 Machines |
10/06/1988 | WO1988007621A1 Cushioning of piston sidethrust in gas-lubricated engine |
10/05/1988 | EP0284772A2 Universal piston |
10/04/1988 | US4774876 Sprung suspension of an actuating piston |
09/28/1988 | EP0284188A1 Pressure cylinder piston |
09/27/1988 | US4773282 Piston rod assembly including an injection bonded piston head and fabrication method |
09/22/1988 | WO1988007132A1 Piston of internal combustion engine |
09/22/1988 | WO1988007129A1 High pressure reciprocator components |
09/22/1988 | DE3708203A1 Split control piston which can be highly stressed |
09/20/1988 | US4771678 Piston locking device for double acting hydraulic cylinder |
09/14/1988 | EP0281755A1 Applicator cartridge with a dispensing piston |
09/13/1988 | US4770058 Reciprocating piston compressor for small refrigerating machines and its assembly method |
09/07/1988 | EP0280960A2 Pistons for internal-combustion engines |
08/31/1988 | EP0280622A1 Piston for internal-combustion engines |
08/25/1988 | WO1988006250A1 Piston for internal combustion engines and similar |
08/24/1988 | EP0279044A2 Self-sealing piston and its cylinder |
08/23/1988 | US4765292 Self-sealing piston apparatus |
08/10/1988 | CN87216568U Compound sealed piston |
08/09/1988 | US4762052 Piston |
08/09/1988 | CA1240132A1 Manufacture of pistons |