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)
08/1990
08/08/1990EP0381034A1 Variable positive fluid displacement apparatus with movable chambers
08/08/1990EP0380903A1 A timing control assembly for a multi-cylinder internal combustion engine, particularly for motor vehicles
08/08/1990EP0380695A1 Lubrication device of valve seat portion in internal combustion engine
08/08/1990CN1009124B Thermal gas conduct pipe of internal combustion engine
08/07/1990US4945873 Internal combustion engine with two inlet valves per cylinder
08/07/1990US4945867 Two-stroke engine
08/07/1990US4945864 Two cycle engine piston lubrication
08/03/1990CA2004785A1 Variable positive fluid displacement apparatus with movable chambers
08/02/1990DE4001514A1 Kurbelgehaeuse fuer einen boxermotor Crankcases for a boxermotor
08/01/1990EP0380218A1 Multiple intake poppet valve array for a single port
07/1990
07/31/1990US4944266 Direct-injection diesel engine
07/31/1990US4944263 Cylinder head of DOHC engine
07/31/1990US4944262 Rotative combustion chamber engine
07/31/1990CA1272088A1 Ceramic head for internal combustion engine
07/31/1990CA1272087A1 Single rocker shaft allowing central spark plug accommodation in an i,c, engine
07/26/1990DE3902183A1 Device for increasing the permeability of inlet and outlet ports in internal combustion piston engines
07/24/1990US4942858 Cylinder head for air-compressing, self-ignition internal combustion engines
07/24/1990US4942857 Combustion chamber for engine with multiple valves
07/24/1990US4942853 Valve operating apparatus for an internal combustion engine
07/18/1990EP0377829A2 Camshaft lubrication system for an internal-combustion engine
07/17/1990US4941436 Cooling system for I.C.E. valve seat inserts
07/05/1990DE4003498A1 Cylinder head for internal combustion engine - has inlet and exhaust valve combined in double seat ring valve
07/05/1990DE3843690A1 Intake system combining a ram pipe system and resonator system for multicylinder internal combustion engines
07/04/1990EP0376900A1 A multi-cylinder internal combustion engine, particularly for motor vehicles
07/04/1990CN1043531A Cast alloy iron cylinder jacket
07/03/1990US4938810 Heat-resistant, wear-resistant, and high-strength aluminum alloy powder and body shaped therefrom
07/03/1990US4938191 Induction device for multi-cylinder internal combustion engine
07/03/1990US4938183 Method of making and apparatus for monoblock engine construction
07/03/1990US4938182 Engine cylinder head
07/03/1990US4937927 Method of joining a sleeve into a cylinder opening of a reciprocating piston
06/1990
06/27/1990EP0374802A1 Camshaft driving arrangement for internal combustion engine
06/26/1990US4936271 Portable powered working machine
06/26/1990US4936270 Composite light alloy member
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
06/21/1990DE3940740A1 Valve mechanism for IC engine - has arrangement of tappets for valves and pump injector
06/19/1990US4934351 Fabricating internal combustion engine cylinder heads with close tolerance internal surfaces
06/19/1990US4934345 Two-cycle internal combustion engine
06/19/1990CA1270382A1 Hypereutectic aluminum-silicon casting alloy
06/13/1990EP0373145A1 Internal-combustion engine with two valves per cylinder
06/13/1990EP0372587A1 Internal combustion engine
06/13/1990DE3841548A1 Internal combustion engine
06/13/1990DE3841546A1 Cooling air guide device for a reciprocating piston engine
06/13/1990DE3841537A1 Device for the chemical treatment of holes
06/13/1990DE3841355A1 Method for increasing the displacement of a valve-timed reciprocating piston internal combustion engine
06/13/1990CN1042969A Connecting unit for cooling water conduit of cylinder head
06/12/1990US4932377 Internal combustion engine
06/12/1990US4932368 Suction arrangement for internal combustion engine
06/12/1990CA1270166A1 Cylinder block structure for internal combustion engine
06/07/1990DE3936813C1 IC engine air buffer system - consists of blind bores in area of cylinder swept by piston rings
06/06/1990EP0371579A2 Nut and stud assembly
06/05/1990US4930962 Nut and stud assembly
06/05/1990US4930546 Heat-insulating metal-ceramic structure
06/05/1990CA1269818A1 Method for forming castings having inserts
05/1990
05/31/1990WO1990005842A1 Internal combustion engine
05/30/1990EP0370999A1 Two-stroke internal combustion engine
05/29/1990US4929327 Arrangement for producing dispersion layers
05/23/1990EP0369618A1 Engine for vehicle
05/22/1990US4926814 Crankcase breather and lubrication oil system for an internal combustion engine
05/22/1990US4926812 Cylinder head intake manifold interface
05/22/1990US4926801 Wet/dry cylinder liner for high output engines
05/17/1990WO1990005239A1 Variation of engine compression ratio
05/17/1990DE3936427A1 IC engine with clamping bolts for cylinder head - has bolt axes intersecting gasket plane at angles differing from 90 deg.
05/15/1990US4924823 Six stroke internal combustion engine
05/15/1990US4924821 Hydraulic lash adjuster and bridge assembly
05/10/1990DE3837254A1 Light alloy insert for the formation of an expansion joint in combustion chamber walls of internal combustion engines formed from cast light alloy, especially cylinder head bases of diesel internal combustion engines
05/09/1990EP0367229A1 Heat-resistant, wear-resistant and high-strength Al-Si alloy, and cylinder liner employing same
05/09/1990EP0367055A2 Water-cooled cylinders-in-line head of an internal-combustion engine
05/09/1990CN2056941U Improved cylinder cvoer of engine for original "jiefang" lorry
05/08/1990US4922867 Valve stop mechanism for internal combustion engines
05/08/1990US4922863 Cast engine cylinder having an internal passageway and method of making same
05/03/1990DE3836550A1 Inlet port system for an internal combustion engine with two inlet valves per cylinder arranged in the cylinder head
05/01/1990US4920937 Direct fuel injection type spark ignition internal combustion engine having a squish flow for assisting fuel evaporation
05/01/1990US4920931 Two cycle engine with vaned diffusing exhaust port
04/1990
04/25/1990EP0365404A1 Cooling circuit for an internal-combustion engine
04/25/1990EP0365148A2 Tangent flow cylinder head
04/24/1990US4919092 In-line cylinder head for internal combustion engine
04/24/1990US4919088 Two cycle engine scavenging heat control
04/19/1990DE3835333A1 Concept for the variable valve timing on the basis of camshaft phase shift
04/18/1990EP0364069A1 Valve operating system of internal combustion engine
04/18/1990EP0363844A2 A cylinder liner unit for use in an internal combustion engine
04/17/1990US4917169 Casting core for a water jacket
04/17/1990US4917062 Cylinder head gasket elimination process
04/17/1990US4917054 Six-stroke internal combustion engine
04/11/1990EP0363190A2 Direct injection-type diesel engines
04/10/1990US4915066 Valve train for V-type double-overhead-camshaft engine
04/05/1990WO1990003509A1 Two-cycle engine with offset piston ovality
04/05/1990DE3932439A1 Engine cylinder head with auxiliary chamber - has gap between chamber insert flange and head overlapping cylinder bore
04/04/1990EP0270549B1 Method of producing a cylinder lining device
04/04/1990EP0167526B1 Method and apparatus for modifying the combustion chamber of an engine to accept ceramic liners
04/03/1990US4913104 Rocker arm for operating two valves
03/1990
03/29/1990DE3831333A1 Multicylinder internal combustion engine
03/28/1990EP0360408A2 Engine induction system and method
03/27/1990US4911124 Engines for use with gaseous fuels
03/27/1990US4911113 Valve actuating device for multiple valve type engine
03/27/1990US4911109 Cooling system for heat insulating engine
03/22/1990WO1990002867A1 Reciprocating piston engine
03/21/1990EP0359111A2 Fibre-reinfoced light metal cylinder for internal-combustion engines
03/20/1990US4909230 Heat insulating combustion chamber and method of producing the same
03/20/1990US4909195 Valve operating system of internal combustion engine
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