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