| Patents for F02F 3 - Pistons (8,555) |
|---|
| 09/11/1991 | CN1054473A 内燃机 Internal combustion engine |
| 09/04/1991 | CN2084106U High efficient piston for internal-combustion engine |
| 08/29/1991 | DE4005903A1 Adjustable trunk-type piston - has drain passage from slipping in front of control chamber |
| 08/27/1991 | US5042364 Piston structure for internal combustion engine |
| 08/20/1991 | US5040454 Piston assembly and piston member thereof having a predetermined compression height to diameter ratio |
| 08/13/1991 | US5039116 Composite oil-ring |
| 08/07/1991 | EP0439995A1 Piston for a four-stroke internal combustion engine |
| 07/31/1991 | EP0439251A1 Production method for forged component made of composite material |
| 07/30/1991 | US5035210 Piston assembly of internal combustion engine |
| 07/27/1991 | CA2033528A1 Production method for forged component made of composite material |
| 07/25/1991 | WO1991010825A1 Piston with swirl-inducing device for diesel engines |
| 07/23/1991 | US5033427 Heat-insulating engine structure |
| 07/16/1991 | US5032244 Anodizing, protective heat resistant coating |
| 07/16/1991 | US5032064 Pump for pressure exceeding one thousand atmospheres |
| 07/09/1991 | US5029562 Hybrid piston for high temperature engine |
| 07/02/1991 | US5027757 Two-stroke cycle engine cylinder construction |
| 06/20/1991 | DE3941692A1 Aperture takes IC engine cylinder lubricant for regeneration - from position in piston sleeve beyond stroke of lowest piston ring |
| 06/19/1991 | EP0432810A1 Pressure cast light metal piston for internal combustion engines |
| 06/18/1991 | US5024194 Flame dispersion arrangement for swirl chamber type diesel engine piston crown |
| 06/12/1991 | EP0431920A1 Internal combustion engine |
| 06/05/1991 | EP0430362A1 Pistons |
| 06/04/1991 | US5020485 Two-cycle engine |
| 05/29/1991 | CN1051779A Reduced friction piston |
| 05/28/1991 | US5018489 Heat-insulating piston |
| 05/22/1991 | EP0362261B1 Coolable plunger piston for internal combustion engines |
| 05/22/1991 | EP0252108B1 Heat engine with cooling of the pistons and jackets |
| 05/16/1991 | WO1991006756A1 Internal-combustion engine piston with bi-oval shaft |
| 05/15/1991 | EP0427389A1 Method of treating a ferrous component for subsequent metallurgical bonding to cast aluminum |
| 05/15/1991 | EP0426920A1 Piston for an internal combustion engine |
| 05/14/1991 | US5014658 Piston assembly having a fusible core to form a cooling channel and a method for the manufacture thereof |
| 05/14/1991 | US5014605 Internal Combustion Engines |
| 05/14/1991 | US5014604 Piston for internal combustion engine |
| 05/08/1991 | EP0426421A1 Polymetallic piston-cylinder configuration for internal combustion engines |
| 05/08/1991 | DE3936961A1 Tauchkolben fuer verbrennungsmotoren mit gelenkig verbundenem kopf und schaft Plunger for internal combustion engines with a bandaged head and articulated Community |
| 05/08/1991 | CN2076609U Full-sealed assembly piston without pumping oil |
| 05/07/1991 | US5013610 Heat resisting member reinforced locally by an inorganic fiber and a productive method of the same |
| 05/07/1991 | CA2024210A1 Method of treating a ferrous component for subsequent metallurgical bonding to cast aluminum |
| 04/24/1991 | EP0424109A2 Aluminium alloy matrix composite for internal combustion engines |
| 04/24/1991 | EP0268666B1 Piston-and-cylinder arrangement with radially-yieldable piston head |
| 04/18/1991 | WO1991005156A1 Piston of diesel engine |
| 04/17/1991 | EP0422856A1 Reduced friction piston |
| 04/17/1991 | CN1012383B Internal-combustion piston engine with wet cylinder-bushes |
| 04/16/1991 | US5007394 Combustion chamber for compression ignition internal combustion engine |
| 04/12/1991 | CA2026330A1 Reduced friction piston |
| 04/11/1991 | DE3932563A1 Light alloy piston for IC engine - incorporates gudgeon pin bushes expanded by rolling |
| 04/10/1991 | EP0354941B1 Reciprocating internal combustion engine with wet cylinder linings |
| 04/04/1991 | DE3931949A1 Kolben fuer einen verbrennungsmotor Piston for an internal combustion engine |
| 04/04/1991 | DE3931702A1 Engine with rotary and reciprocating piston - incorporates injector discharging into eccentric recess in piston crown |
| 04/03/1991 | EP0420618A1 Piston for internal combustion engine |
| 03/27/1991 | CN2073939U Double ring groove piston and piston ring of internal combustion engine |
| 03/26/1991 | WO1991004429A1 Piston for an internal combustion engine |
| 03/26/1991 | CA2066236A1 Piston for a cylinder of a combustion engine |
| 03/20/1991 | EP0417931A1 Heat-insulating piston |
| 03/20/1991 | EP0316330B1 Piston upper part with incorporated support bearings for supporting the piston pin of a piston engine |
| 03/19/1991 | US5000078 Light metal trunk piston for internal combustion engines |
| 03/12/1991 | US4998517 Heat insulating engine |
| 03/06/1991 | EP0415475A1 Pistons |
| 03/05/1991 | US4997024 Method of making a piston |
| 02/28/1991 | DE3927816A1 Piston for two=stroke IC engine - incorporates two diametrically opposite flats formed on skirt |
| 02/28/1991 | DE3927509A1 Liq. compressed plunger piston - is formed esp. of aluminium and has annular porous reinforcement lining in annular groove |
| 02/27/1991 | EP0356457B1 Light-metal trunk piston for internal combustion engines |
| 02/27/1991 | CN1049543A 活塞环 Piston |
| 02/21/1991 | DE3926791A1 Piston for IC engine - has crown attached to body by fasteners which minimise heat conduction |
| 02/13/1991 | EP0412660A1 Heat-insulating piston |
| 02/06/1991 | EP0412008A1 Multicylinder fuel injection engine having four valves per cylinder |
| 02/06/1991 | EP0411913A1 Piston assembly of internal combustion engine |
| 02/05/1991 | US4989559 Pistons for internal combustion engines |
| 01/29/1991 | US4988290 Combustion space with a ceramic lining such as in the combustion chamber of an internal combustion engine or the combustion space in a rotary kiln furnace |
| 01/29/1991 | US4987867 Piston for internal combustion engines |
| 01/29/1991 | US4987866 Light alloy piston for internal combustion engines |
| 01/29/1991 | US4987865 Reduced friction piston |
| 01/24/1991 | WO1991000684A1 Twi-stroke cycle engine cylinder construction |
| 01/23/1991 | CN1011327B Combustion system with double plume |
| 01/22/1991 | US4986234 Polymetallic piston-cylinder configuration for internal combustion engines |
| 01/22/1991 | US4986231 Piston with graphite fiber mesh |
| 01/22/1991 | US4986167 Articulated piston with a cooling recess having a preestablished volume therein |
| 01/16/1991 | EP0407974A1 Flame dispersion arrangement for swirl chamber type diesel engine piston crown |
| 01/10/1991 | WO1991000422A1 Controlled dispersion of injected fuel |
| 01/03/1991 | DE3920089A1 IC engine with two electrodes in each combustion chamber - has fuel injection nozzle and spark plug electrodes arranged so that in spreading of flame core disturbing influences are prevented |
| 12/27/1990 | EP0403767A2 Internal combustion engine piston with a cooling oil stream through the piston head |
| 12/27/1990 | EP0327546B1 Pressure ignited combustion engine |
| 12/25/1990 | US4980321 Parts for internal combustion engine such as piston and cylinder head |
| 12/25/1990 | US4980103 Kneading potassium titanate, silicon nitride and glass balloon with calcium oxide, molding, shaping, drying, and baking |
| 12/25/1990 | US4979427 Temperature-sensitive variation of the compression ratio in pistons having variable compression height |
| 12/18/1990 | US4977874 Indirect injection diesel engine |
| 12/12/1990 | EP0402287A1 Apparatus for anodising aluminium alloy pistons used in internal combustion engines |
| 12/11/1990 | US4976248 Apparatus for the generation of turbulence in internal combustion engines |
| 12/07/1990 | CA2018288A1 Anodization process of aluminum alloy pistons for internal combustion engines |
| 12/04/1990 | US4975243 Aluminum alloy suitable for pistons |
| 12/04/1990 | US4974565 Fuel swirl generation type fuel injection valve and direct fuel injection type spark ignition internal combustion engine mounted with the fuel injection valve |
| 11/29/1990 | WO1990014515A1 Articulated piston with a cooling recess having a preestablished volume therein |
| 11/28/1990 | EP0398993A1 Engine piston assembly and forged piston member therefor having a cooling recess. |
| 11/28/1990 | CN2066501U Piston for internal-combustion engine |
| 11/28/1990 | CN2066500U Piston for high efficient internal-combustion engine |
| 11/27/1990 | US4972898 Method of forming a piston containing a cavity |
| 11/22/1990 | EP0397710A1 Engine including a piston member having a high top ring groove. |
| 11/22/1990 | EP0247149B1 Apparatus for disposal of toxic wastes by combustion |
| 11/21/1990 | CN1010497B Riciprocating piston using compression gaseous fluid |
| 11/20/1990 | US4971003 Piston of aluminum alloy for internal combustion engines |
| 11/15/1990 | WO1990013763A1 Piston |