Patents for F16J 1 - Pistons; Trunk pistons; Plungers (5,199)
06/1989
06/13/1989CA1255553A1 Pistons
05/1989
05/31/1989EP0318182A2 A crosshead in combination with a connecting rod assembly and a piston rod
05/30/1989US4834268 Dispensing cartridge with delivery piston
05/30/1989US4833977 Piston for internal combustion engine
05/30/1989US4833939 Built-up connecting rod
05/30/1989CA1254803A1 Pistons for internal combustion engines
05/24/1989EP0316330A1 Piston upper part with incorporated support bearings for supporting the piston pin of a piston engine.
05/23/1989US4831977 Pistons with wear resistant solid film lubricant coatings
05/23/1989US4831918 Light alloy pistons with reinforcing inserts for the piston pin bores
05/16/1989US4830517 Device for locking rotation of an eccentric bearing of a compression ratio changing device
05/16/1989US4829954 Method of forming self-sealing piston
05/16/1989US4829940 Piston for two-cycle engines
05/16/1989US4829883 Pistons
05/16/1989CA1254157A1 Piston assembly
05/10/1989EP0215047B1 Pistons
05/09/1989US4827834 Four point seal
05/03/1989EP0204792B1 Pistons
04/1989
04/20/1989DE3734358A1 Piston, particularly for internal combusion engines, with a connecting rod mounted rigidly on the dudgeon pin
04/20/1989DE3733982A1 Trapezoidal connecting rod
04/20/1989DE3733910A1 Piston for internal combustion engines
04/20/1989DE3733600A1 Ball joint between piston and connecting rod of an internal combustion engine
04/18/1989US4821627 Piston and cylinder assembly
04/18/1989CA1252677A1 Pistons
04/06/1989WO1989002982A1 Cooled plunger for internal combustion engines
04/05/1989EP0309728A2 Piston for axial-piston engines
04/04/1989US4817578 Light alloy cylinder block and an alumina and carbon fiber reinforced wall; slidability
04/04/1989US4817505 Piston with stiffening structure for lower skirt regions
03/1989
03/30/1989DE3731177A1 Regulating device
03/29/1989EP0308767A1 Plunger piston compressor
03/28/1989US4815360 Rod-piston connection
03/22/1989CN1031885A Reciprocal piston set and linkage
03/21/1989US4813343 Ringless piston construction
03/14/1989US4811654 Internal combustion engine piston with laterally offset crudgeon-pin bore in piston head and body portions
03/14/1989CA1251010A1 Cast metal composite article
03/08/1989EP0305521A1 Piston of internal combustion engine
03/08/1989EP0305504A1 High pressure reciprocator components.
03/07/1989US4809652 For internal combustion engine
03/07/1989US4809646 Two)cycle internal combustion engine
03/07/1989US4809591 For reciprocation in an internal combustion engine
02/1989
02/28/1989US4807577 Peristrophic internal combustion engine assembly and multi-part pistons
02/28/1989US4807520 Linear hydraulic motor having a frangible piston head
02/22/1989EP0268666A4 Piston-and-cylinder arrangement with radially-yieldable piston head.
02/21/1989US4805518 Piston
02/16/1989DE3806592A1 Retainer for gudgeon pins
02/07/1989US4802382 Connecting rod assemblies intended for the reciprocating driving of a piston inside a cylinder
02/07/1989US4802332 Sliding surface lubrication particularly advantageous for a free piston stirling engine
01/1989
01/31/1989US4800853 Adiabatic internal combustion engine
01/24/1989US4799421 Hydrodynamic spiral-grooved journal bearing for electromagnetically rotated and reciprocated compressor piston
01/19/1989DE3740820C1 Trunk piston for internal combustion engines with an upper inelastic and a lower elastic shaft region
01/18/1989EP0299785A2 Wear resistant solid film lubricants, their preparation and use
01/17/1989US4798493 Ceramic-metal composite body
01/11/1989EP0298545A2 Bearings
01/11/1989CN1030282A Design and production method for quasi-equalizing cross contour of skirt surface of piston
01/10/1989US4796517 Metal piston and ceramic piston pin assembly
01/04/1989EP0193591B1 Improvements in or relating to pistons
01/03/1989US4794848 Anti-seizing design for circumferentially continuous piston ring
12/1988
12/29/1988DE3719469A1 Gebauter fluessigkeitsgekuehlter kolben fuer verbrennungsmotoren Built fluessigkeitsgekuehlter piston for internal combustion engines
12/28/1988CA1247474A Manufacture of pistons
12/21/1988CN87100219A Low-carbon martensite piston pin
12/15/1988WO1988009889A1 Piston seal
12/13/1988US4790236 Floating piston coupling for plunger type pumps
12/01/1988WO1988009433A1 Coolable plunger piston for internal combustion engines
11/1988
11/30/1988EP0155315B1 Floating piston coupling for plunger type pumps
11/29/1988US4787295 Piston for internal combustion engines
11/23/1988EP0291867A2 Piston machine
11/22/1988US4785774 Piston for an internal combustion engine
11/22/1988US4785720 Lubrication mechanism for piston pin and snap ring
11/17/1988WO1988008926A1 Provision for the combustion chamber surfaces of an internal combustion engine
11/08/1988US4782740 Piston and shaft assembly for an end-of-car cushioning unit
11/01/1988US4781159 Composite piston for use in the cylinder of a diesel engine
10/1988
10/27/1988DE3711630A1 Gudgeon pin fixing
10/27/1988DE3711629A1 Gudgeon pin fixing
10/26/1988EP0287562A1 Trunk piston having two parts, especially for combustion engines.
10/26/1988CN88101928A 工作缸 Cylinder
10/25/1988CA1243505A1 Inserts for diesel engine pistons made from aluminum-silicon alloys having improved resistance to high head and improved workability
10/20/1988WO1988008097A1 A working cylinder
10/20/1988WO1988008078A1 Light-metal trunk piston for internal combustion engines
10/18/1988US4777869 Fluid actuator including a composite piston rod
10/13/1988DE3710362A1 Piston pin lock
10/11/1988US4776261 Reciprocating engine piston seal
10/11/1988CA1242941A1 Machines
10/06/1988WO1988007621A1 Cushioning of piston sidethrust in gas-lubricated engine
10/05/1988EP0284772A2 Universal piston
10/04/1988US4774876 Sprung suspension of an actuating piston
09/1988
09/28/1988EP0284188A1 Pressure cylinder piston
09/27/1988US4773282 Piston rod assembly including an injection bonded piston head and fabrication method
09/22/1988WO1988007132A1 Piston of internal combustion engine
09/22/1988WO1988007129A1 High pressure reciprocator components
09/22/1988DE3708203A1 Split control piston which can be highly stressed
09/20/1988US4771678 Piston locking device for double acting hydraulic cylinder
09/14/1988EP0281755A1 Applicator cartridge with a dispensing piston
09/13/1988US4770058 Reciprocating piston compressor for small refrigerating machines and its assembly method
09/07/1988EP0280960A2 Pistons for internal-combustion engines
08/1988
08/31/1988EP0280622A1 Piston for internal-combustion engines
08/25/1988WO1988006250A1 Piston for internal combustion engines and similar
08/24/1988EP0279044A2 Self-sealing piston and its cylinder
08/23/1988US4765292 Self-sealing piston apparatus
08/10/1988CN87216568U Compound sealed piston
08/09/1988US4762052 Piston
08/09/1988CA1240132A1 Manufacture of pistons
1 ... 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52