Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02B - Internal-combustion piston engines; Combustion engines in general › F02B 23 - Other enginescharacterised byspecial shape or construction of combustion chambers to improve operation
Patents for F02B 23 - Other enginescharacterised byspecial shape or construction of combustion chambers to improve operation (6,474)
12/1990
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
12/04/1990US4974559 Combustion system and combustion apparatus for internal combustion engine
11/1990
11/29/1990WO1990014515A1 Articulated piston with a cooling recess having a preestablished volume therein
11/27/1990US4972814 Combustion system of an internal combustion engine
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
11/21/1990CN1010496B High pressure gasoline engine with double chamber burning simultaneously
11/21/1990CN1010495B Internal combustion engine
11/20/1990US4971003 Piston of aluminum alloy for internal combustion engines
11/14/1990EP0397191A1 Combustion chamber for compression ignition internal combustion engine
11/08/1990DE3914987A1 IC engine with extended piston and cylinder - reduces temp. of sliding surfaces of piston and cylinder
10/1990
10/30/1990US4966103 Combustion system for dual fuel engine
10/25/1990DE3913045A1 Piston for IC engine - has recess in head which causes air-fuel mixture to circulate
10/24/1990EP0393922A1 Piston of aluminium for internal combustion engines
10/16/1990US4962736 Diesel engine
10/16/1990US4962733 Device for reducing thermal restraint
10/10/1990EP0391426A1 Swirl chamber type diesel engine
10/10/1990CN2063578U Direct-jet high-speed diesel engine
10/03/1990EP0390589A2 Stratified-combustion internal combustion engine
10/02/1990US4960089 Combustion system
09/1990
09/25/1990US4958604 Direct fuel injection type spark ignition internal combustion engine
09/19/1990EP0387931A1 Light metal piston for internal-combustion engines
09/19/1990EP0387277A1 Cooled cylinder head.
09/19/1990EP0387266A1 Ionisation sensor.
09/18/1990US4957081 Combustion chamber of an engine
09/11/1990US4955338 Engine and high turbulence piston therefor
09/05/1990CN1009473B Combustion chamber arrangement for internal combustion engine
09/04/1990US4953528 Direct injection-type diesel engines
08/1990
08/29/1990CN2061211U Vortex small chamber with separable spark plug for petrol engine
08/28/1990US4951642 Combustion chamber of internal combustion engine
08/28/1990CA1273253A1 Cylinder head with coolant passage following squish area and of generally uniform cross sectional area
08/23/1990WO1990009519A1 Piston and process for achieving controlled ignition
08/22/1990EP0383297A2 Cylinder head and valve train arrangement for multiple valve engine
08/22/1990EP0383001A1 Air-compressing valve-controlled internal-combustion engine
08/21/1990US4949689 Timing of fuel injected engines
08/17/1990CA2046602A1 Piston and process for achieving controlled ignition
08/07/1990US4945867 Two-stroke engine
08/07/1990CA1272420A1 Timing of fuel injected engine
08/01/1990EP0380222A1 In-Cylinder control of particulates and nitric oxide for diesel engine
07/1990
07/24/1990US4942857 Combustion chamber for engine with multiple valves
07/24/1990CA1271948A1 Fuel injection to internal combustion engines
07/23/1990CA2007212A1 In-cylinder control of particulates and nitric oxide for diesel engine
07/19/1990DE3901182A1 Air-compressing direct-injection diesel internal combustion engine with pilot and main injection
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
07/10/1990US4940029 Turbocompounded two-stroke piston engines
07/10/1990US4939984 Investment-cast piston crown cap with encapsulated non-metallic insulating core
07/04/1990EP0375789A1 Two-stroke internal combustion engine
07/04/1990CN1008648B Combustion system in internal combustion engine
06/1990
06/26/1990CA1270707A1 Pressure vents for heat insulating inserts in i.c. engines
06/21/1990DE3842430A1 Method for the conversion of a diesel engine into a spark ignition engine fed with liquified gas and the engine thereby obtained
06/13/1990DE3901183A1 Fuel-jet divider in the combustion chamber of a self-igniting diesel internal combustion engine
06/13/1990DE3841548A1 Internal combustion engine
06/06/1990EP0371759A2 Intensifier-injector for gaseous fuel for positive displacement engines
06/06/1990EP0148888B1 Internal combustion engine piston
05/1990
05/03/1990WO1990004713A1 Engine including a piston member having a high top ring groove
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
04/1990
04/27/1990CA2000562A1 Combustion chamber
04/24/1990US4919092 In-line cylinder head for internal combustion engine
04/19/1990WO1990004094A1 Cooled two-piece trunk piston
04/19/1990DE3834852A1 Gekuehlter zweiteiliger tauchkolben Cooled two-piece piston diving
04/12/1990DE3928480A1 IC engine with catalyst-coated combustion chamber - using silica, alumina and magnesia based ceramic mixt. as catalyst
04/11/1990EP0363190A2 Direct injection-type diesel engines
04/03/1990US4913111 Combustion chamber for an internal combustion engine
04/03/1990CA1267457A1 Connecting structure for high voltage resistance wires
03/1990
03/28/1990EP0359932A2 Oil-cooled pistons for internal-combustion engines
03/28/1990CN1040851A Double-plume combustion system
03/27/1990US4911109 Cooling system for heat insulating engine
03/21/1990EP0358701A1 Provision for the combustion chamber surfaces of an internal combustion engine.
03/20/1990US4909230 Heat insulating combustion chamber and method of producing the same
03/20/1990US4909210 Variable swirl intake apparatus for engine
03/06/1990US4905646 Two-stroke internal combustion engine with cylinder head valves
02/1990
02/27/1990US4903648 Engine with improved exhaust gas sensing
02/15/1990DE3827148A1 Reciprocating piston internal combustion engine with piston cell
02/13/1990US4899699 Low pressure injection system for injecting fuel directly into cylinder of gasoline engine
02/13/1990US4899698 Combustion chamber for two-stroke reciprocating engine, and and engine making use thereof
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
01/25/1990DE3824428A1 Internal combustion engine
01/18/1990DE3823549A1 Internal combustion engine with an essentially disc-shaped combustion chamber
01/16/1990US4893596 Combustion chamber for spark ignited engine
01/16/1990US4893592 Combustion chamber for an internal combustion engine
01/11/1990WO1990000222A1 Two-cycle internal combustion engine
01/11/1990DE3920315A1 Fuel injection nozzle
01/10/1990CN1038685A 内燃机 Internal combustion engine
12/1989
12/20/1989CN1006169B Direct injection type diesel engine
12/19/1989US4887518 Internal combustion engine piston with threaded ceramic piston head
12/14/1989DE3917083A1 Reciprocating piston internal combustion engine with a cylinder head equipped with inlet and exhaust valves
11/1989
11/28/1989US4883032 In-cylinder control of particulates and nitric oxide for diesel engine
11/28/1989US4883030 Combustion chamber of a two-stroke engine
11/21/1989US4881513 Two-cycle internal combustion engine
11/21/1989US4881501 Diesel engine having shaped flame dispersing recess in piston crown
11/15/1989EP0341938A2 Internal combustion engine
11/15/1989CN1037191A High pressure gasoline engine with doulbe chamber burning simultaneously
11/09/1989DE3814500A1 Piston, especially for internal combustion engines
10/1989
10/17/1989US4873825 Positive displacement engine compounded with a gas turbine engine
10/10/1989US4872433 Combustion chamber configurations for two cycle engines
10/10/1989US4872432 Oilless internal combustion engine having gas phase lubrication
09/1989
09/12/1989US4864987 Heat insulating engine
08/1989
08/31/1989DE3805009A1 Piston for diesel engines
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