Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02F - Cylinders, pistons, or casings for combustion engines; Arrangements of sealings in combustion engines › F02F 3 - Pistons
Patents for F02F 3 - Pistons (8,555)
11/1990
11/14/1990EP0397191A1 Combustion chamber for compression ignition internal combustion engine
11/14/1990CN1010424B Structurally lightened piston utilizable especially in an internul combustion engine
11/13/1990US4969433 Piston for internal combustion engine
11/13/1990US4969425 Two-stroke internal combustion engine
10/1990
10/31/1990CN2064826U Air-tight piston
10/30/1990US4966068 Split ceramic piston ring arrangement with nested biasing ring
10/30/1990CA1275562C Apparatus for finishing pistons and the like and method therefor
10/24/1990EP0393922A1 Piston of aluminium for internal combustion engines
10/24/1990EP0393142A1 Piston assembly and piston member thereof having a predetermined compression height to diameter ratio.
10/23/1990US4964382 Piston for two-cycle internal combustion engine
10/14/1990CA2012054A1 Reinforced piston
10/10/1990EP0391651A2 Improved low ash lubricant composition for internal combustion engines
10/10/1990EP0390882A1 Reciprocating piston engine.
10/09/1990US4961408 Pistons for reciprocating machines
09/1990
09/27/1990DE4007992A1 Internal combustion engine piston - has separate top and bottom sections with chamber wall in bottom one
09/25/1990US4958604 Direct fuel injection type spark ignition internal combustion engine
09/25/1990CA1274433A1 Self-sealing piston and method
09/25/1990CA1274432A1 Self-sealing piston for internal combustion
09/19/1990EP0387931A1 Light metal piston for internal-combustion engines
09/11/1990US4955353 Piston for internal combustion engine
09/11/1990US4955338 Engine and high turbulence piston therefor
09/11/1990US4955284 Piston having ceramic parts
09/05/1990EP0385390A1 Lightened piston
09/04/1990US4953528 Direct injection-type diesel engines
08/1990
08/23/1990WO1990009519A1 Piston and process for achieving controlled ignition
08/17/1990CA2046602A1 Piston and process for achieving controlled ignition
08/14/1990US4947805 Coolable plunger piston for internal combustion engines
08/14/1990CA1272645A1 Multisectional lifting piston for internal-combustion engines
08/08/1990EP0334855B1 Coolable trunk piston for internal combustion engines
08/01/1990EP0380415A1 Composite piston, especially for an internal-combustion engine
07/1990
07/25/1990CN2059683U Energy-saving ic engine
07/24/1990US4942804 Piston with ceramic insert that covers piston head portion defining cavity
07/17/1990US4941440 Engine including a piston member having a high top ring groove
07/17/1990US4941439 Combustion chamber surfaces of an internal combustion engine
07/17/1990US4941397 Piston assembly for internal combustion engine
07/17/1990CA1271615A1 Production of pistons having a cavity
07/12/1990WO1990007642A1 Light plunger piston for internal combustion engines
07/10/1990US4939984 Investment-cast piston crown cap with encapsulated non-metallic insulating core
07/05/1990DE3843761A1 Light trunk piston for internal combustion engines
07/03/1990US4938121 Piston for internal combustion engines and like machines
06/1990
06/28/1990DE3843866A1 Light trunk piston for internal combustion engines
06/26/1990US4936269 Method and apparatus for reduced oil consumption and oil deterioration in reciprocating engines
06/26/1990CA1270707A1 Pressure vents for heat insulating inserts in i.c. engines
06/20/1990EP0373689A1 Oil-cooled piston for internal-combustion engines
06/20/1990EP0373516A1 Pistons
06/19/1990US4934345 Two-cycle internal combustion engine
06/13/1990EP0250406B1 Piston engines
06/12/1990US4932314 Segmented piston
06/07/1990DE3936813C1 IC engine air buffer system - consists of blind bores in area of cylinder swept by piston rings
06/07/1990DE3840841A1 Light alloy piston for internal combustion engines
05/1990
05/31/1990WO1990005867A1 Segmented piston
05/09/1990EP0366983A1 Piston
05/09/1990CN1041990A Engine piston assembly and forged piston member therefor having cooling recess
05/03/1990WO1990004713A1 Engine including a piston member having a high top ring groove
05/03/1990WO1990004712A1 Engine piston assembly and forged piston member therefor having a cooling recess
05/03/1990WO1990004711A1 Piston assembly and piston member thereof having a predetermined compression height to diameter ratio
05/03/1990WO1990004491A1 A method of producing a crown for an articulated piston
05/02/1990EP0366410A2 Ceramic-metal composite body with friction welding joint and ceramic insert cast piston
05/02/1990EP0365906A2 Combustion chamber
05/01/1990US4920937 Direct fuel injection type spark ignition internal combustion engine having a squish flow for assisting fuel evaporation
05/01/1990US4920864 Reinforced piston
04/1990
04/27/1990CA2000562A1 Combustion chamber
04/25/1990EP0364810A2 Pistons
04/25/1990EP0327595B1 Single-piece, lightweight and low-friction light-metal piston for internal combustion engines
04/24/1990US4918806 Heat treating to form nitride film on surface
04/19/1990WO1990004094A1 Cooled two-piece trunk piston
04/19/1990DE3834852A1 Gekuehlter zweiteiliger tauchkolben Cooled two-piece piston diving
04/18/1990CN1007600B Apparatus for finishing pistons and the like and method therefor
04/11/1990EP0363190A2 Direct injection-type diesel engines
04/11/1990EP0362261A1 Coolable plunger piston for internal combustion engines.
04/04/1990EP0167526B1 Method and apparatus for modifying the combustion chamber of an engine to accept ceramic liners
04/04/1990EP0167523B1 Composite pistons and method of manufacturing thereof
03/1990
03/29/1990DE3839949C1 Lubrication system for a set of piston rings
03/29/1990DE3832159A1 Trunk piston for internal combustion engines with a skirt pivotably attached to the piston head
03/28/1990EP0359932A2 Oil-cooled pistons for internal-combustion engines
03/28/1990CN1040851A Double-plume combustion system
03/22/1990WO1990002867A1 Reciprocating piston engine
03/21/1990EP0358701A1 Provision for the combustion chamber surfaces of an internal combustion engine.
03/21/1990EP0287562B1 Trunk piston having two parts, especially for combustion engines
03/20/1990US4910093 Piston blank for a forged piston
03/20/1990US4909133 Lightweight piston architecture
03/20/1990US4909132 Curved supporting elements for joining piston pin bosses to piston head of internal combustion engine piston
03/13/1990US4907545 Liquid cooled piston ring carrier assembly and piston using same
03/07/1990EP0356457A1 Light-metal trunk piston for internal combustion engines.
02/1990
02/27/1990US4903580 Piston for alternative endothermic engines creating oil cushion lubrication
02/21/1990EP0354941A1 Reciprocating internal combustion engine with wet cylinder linings.
02/15/1990DE3827148A1 Reciprocating piston internal combustion engine with piston cell
02/13/1990US4899702 For an internal combustion engine
02/07/1990EP0353480A2 Pistons
02/06/1990US4898135 Piston and process for achieving controlled ignition and combustion of hydrocarbon fuels in internal combustion engines by generation and management of fuel radical species
01/1990
01/25/1990DE3922473A1 Jointed piston
01/24/1990EP0352058A2 Heat insulating engine
01/24/1990EP0351977A2 Pistons
01/24/1990EP0351976A2 Pistons
01/18/1990DE3823704A1 Light alloy piston for internal combustion engines
01/18/1990DE3823549A1 Internal combustion engine with an essentially disc-shaped combustion chamber
01/17/1990EP0350831A2 Ceramic lining for a combustion chamber
01/16/1990US4893592 Combustion chamber for an internal combustion engine
01/09/1990US4892069 Thermally stressed component
01/09/1990US4891875 Method for manufacturing a piston for an internal combustion engine
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