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 1 - Cylinders; Cylinder heads
Patents for F02F 1 - Cylinders; Cylinder heads (16,229)
03/1990
03/20/1990CA1266757A1 Method for manufacturing siamese-type cylinder block and apparatus for casting blank for such cylinder block
03/15/1990DE3829854A1 Light alloy, especially die-cast engine housing for liquid-cooled internal combustion engines
03/13/1990US4907950 Variable positive fluid displacement system
03/13/1990US4907554 Multiple intake poppet valve array for a single port
03/13/1990US4907550 Apparatus for changing operation timing of valves for internal combustion engine
03/07/1990EP0357511A1 Double overhead camshaft engine
03/07/1990EP0356990A2 Variable positive fluid displacement system
03/07/1990EP0356641A2 Cooling system for the valve seats in the cylinder head of an internal-combustion engine
03/06/1990US4905646 Two-stroke internal combustion engine with cylinder head valves
03/06/1990US4905642 Siamese-type cylinder block blank and apparatus for casting the same
03/06/1990US4905636 Anti-puddling turbulence inducing cylinder head intake port and manifold
02/1990
02/28/1990EP0356227A2 Cooling system for multi-cylinder engine
02/27/1990US4903652 Cylinder liner insert and method of making engine block therewith
02/27/1990US4903648 Engine with improved exhaust gas sensing
02/27/1990US4903646 V-type cylinder block of internal combustion engine
02/27/1990US4903483 Exhaust system for V-type engine
02/22/1990WO1990001632A1 Cooling jacket and thermal insulation for an internal combustion engine
02/22/1990DE3827154A1 Device for increasing the transmission of inlet and exhaust port in reciprocating piston internal combustion engines
02/21/1990EP0354941A1 Reciprocating internal combustion engine with wet cylinder linings.
02/15/1990DE3826144A1 Cylinder head of an injection internal combustion engine with a cylinder head cover and pump nozzle
02/08/1990WO1990001108A1 Lubrication device of valve seat portion in internal combustion engine
02/08/1990DE3821937A1 Internal combustion engine with valve timing gear
02/08/1990DE3821935A1 Internal combustion engine with valve timing gear
02/07/1990EP0353989A2 Cylinder head structure for plural cylinder engines
02/07/1990EP0353988A1 Valve operating system for internal combustion engine
02/07/1990EP0353577A2 Cylinder head for an internal-combustion engine
02/06/1990US4898136 Mixture-compressing internal-combustion engine with a main combustion chamber and an auxiliary combustion chamber
02/06/1990US4898125 Cylinder head cover with suction pipe arrangement for an internal combustion engine
01/1990
01/31/1990CN2052051U Wind-and water-cooled cylinder
01/31/1990CN1039284A Improvements relating to fuel injection system for internal combustion engines
01/30/1990US4896638 Fabricating internal combustion engine cylinder heads with close tolerance internal surfaces
01/25/1990DE3824428A1 Internal combustion engine
01/24/1990EP0352058A2 Heat insulating engine
01/18/1990DE3823589A1 Multicylinder internal combustion engine with wet cylinder liners and individual cylinder heads
01/18/1990DE3823549A1 Internal combustion engine with an essentially disc-shaped combustion chamber
01/17/1990EP0350831A2 Ceramic lining for a combustion chamber
01/16/1990US4893597 Engine cylinder assembly having an intake cross-passageway
01/09/1990US4892070 Technique and spark plug to ignite very lean fuel air mixtures, particulary for gas engines
01/09/1990US4892067 Valve control system for engines
01/02/1990US4890586 Intake device for an internal combustion engine
12/1989
12/27/1989EP0347547A2 Oval piston ring
12/26/1989US4889080 Cylinder head for an internal combustion engine
12/26/1989US4889079 Cylinder head cooling structure for water-cooled multicylinder engine
12/21/1989DE3820674A1 Air intake system for a multi-cylinder internal combustion engine
12/21/1989DE3820462A1 Cylinder tube
12/20/1989EP0346675A2 Decompression device in a two-cycle engine
12/19/1989US4887568 Ceramic insert for defining precombustion chamber in cylinder head
12/19/1989US4887563 Valve operating apparatus for an internal combustion engine
12/14/1989DE3915988A1 Cylinder head of an internal combustion engine
12/14/1989DE3818928A1 Reciprocating-piston internal combustion engine
12/14/1989DE3818927A1 Reciprocating-piston internal combustion engine
12/14/1989DE3818926A1 Reciprocating-piston internal combustion engine
12/13/1989EP0345431A2 Water-cooled four-valve cylinder head for a multicylinder internal-combustion engine
12/13/1989EP0345430A2 Cylinder head for a diesel engine
12/12/1989US4886021 Multi-cylindered two stroke cycle engines
12/07/1989DE3842175A1 Cylinder head with cover for internal combustion engines
12/06/1989EP0344599A1 Reciprocating piston internal-combustion engine with an overhead camshaft in a multivalve cylinder head
12/06/1989EP0344598A2 Internal-combustion engine comprising a double overhead camshaft cylinder head
12/06/1989EP0344597A2 Cylinder head for an internal-combustion engine
12/05/1989US4884539 Head for an internal combustion reciprocating engine
11/1989
11/28/1989US4883030 Combustion chamber of a two-stroke engine
11/23/1989EP0342360A2 Metal head gasket with push rod guides
11/21/1989US4881513 Two-cycle internal combustion engine
11/21/1989US4881496 Valve mechanism lubrication system for horizontal cylinder overhead valve engine
11/14/1989US4880048 Apparatus for the moulding of a cylinder block or of a corresponding foundry pattern
11/14/1989US4879980 Cylinder head for internal combustion engines
11/14/1989US4879976 Reed valve mechanism for engines
11/14/1989US4879974 Crankcase supercharged 4 stroke, 6 cycle engine
11/08/1989EP0340834A2 System of valves and related operating devices for internal combustion engines having high specific horsepower
11/07/1989US4878469 Power plant structure for motor vehicle
11/07/1989US4878462 Engine valve operating apparatus
11/02/1989EP0339453A2 Cast cylinder head for an internal combustion engine
11/02/1989DE3812988A1 Internal combustion engine
11/02/1989DE3812471A1 Foundry core for a crankcase
10/1989
10/31/1989US4877004 Internal combustion engine for a vehicle
10/31/1989US4876999 Two-stroke engine
10/17/1989US4873953 Induction port arrangement for internal combustion engine having multiple inlet valves per combustion chamber
10/17/1989US4873946 Two-cycle internal combustion engine
10/17/1989US4873945 Cylinder block construction for V-type engines
10/12/1989DE3810852A1 Diesel internal combustion engine
10/10/1989US4872637 Die member for forming a lost foam pattern
10/10/1989US4872431 Internal combustion engine with ceramics valves
10/03/1989US4870869 Rotor composite engine
09/1989
09/26/1989US4869217 Internal combustion engine having light metal housing parts
09/26/1989CA1260343A1 Exhaust gas recirculation system for crankcase scavenged two cycle engine
09/26/1989CA1260224A1 Siamese-type cylinder block blank and apparatus for casting the same
09/21/1989DE3807855A1 Internal combustion engine
09/20/1989EP0332619A1 Cylinder head cap.
09/19/1989US4868067 Inorganic fibers alloys
09/14/1989DE3906369A1 Internal combustion engine
09/13/1989EP0332586A1 A head of light material for internal combustion engines, with sintered steel inserts, and a method for its manufacture
09/13/1989CN1035545A Internal combustion engines
09/12/1989US4864987 Heat insulating engine
09/12/1989US4864986 Two-cycle engine with offset piston ovality
09/12/1989US4864981 Overhead valve type engine
09/12/1989CA1269902A1 Engine block with unitarily cast exhaust gas passages and water jacket cavity
09/07/1989DE3903474A1 Method for operating an internal combustion engine
08/1989
08/31/1989DE3904773A1 Fuel injection nozzle having a protective cap
08/30/1989CN1035160A Internal-combustion piston engine with wet cylinder-bushes
08/29/1989US4860709 Engine induction system and method
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