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)
01/1991
01/02/1991EP0405468A1 Valve drive mechanism for an engine
01/02/1991CA1278477C Internal combustion engine with centrally located sparkplugs
01/02/1991CA1278475C Combustion enhancer for internal combustion engines
12/1990
12/27/1990WO1990015916A1 Valve arrangements and cylinder heads for internal combustion engines
12/27/1990EP0404338A1 Two cycle engine scavenging heat control
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
12/25/1990US4979474 Camshaft arrangement for multi valve engine
12/25/1990US4979473 Piston cooling nozzle
12/19/1990EP0105933B2 Combustion chamber of diesel engine
12/18/1990USRE33499 Method and apparatus for the control of valve operations in internal combustion engine
12/18/1990US4977863 Air-cooled internal combustion engine having canted combustion chamber and integral crossover intake manifold
12/13/1990WO1990015237A1 Cylinder liner for internal-combustion engine
12/13/1990DE4017066A1 IC engine cylinder head - has two inlet valves with common shutter regulating second port and section of first
12/12/1990EP0402091A1 A four-cycle twelve cylinder engine
12/12/1990EP0401710A1 Internal combustion engine
12/11/1990US4976231 Curved intake duct having improved flow characteristics
12/11/1990CA1277557C Engine head cooling system
12/05/1990EP0400338A2 Device for varying the direction in which fuel flows into an engine cylinder, in particular of a two-stroke motorcycle engine
12/05/1990EP0395722A4 Improved process for renewing cylinder heads
12/04/1990US4974973 Bearing sleeve
12/04/1990US4974569 Cylinder block and crankcase
12/04/1990US4974560 Mechanism for varying valve duration in an internal combustion engine
12/04/1990US4974559 Combustion system and combustion apparatus for internal combustion engine
11/1990
11/27/1990US4972814 Combustion system of an internal combustion engine
11/27/1990US4972813 Cylinder head and camshaft arrangement for internal combustion engine
11/27/1990US4972807 Cylinder head cooling for multiple valve engine
11/22/1990EP0397701A1 Two cycle engine with exhaust bridge lubrication
11/22/1990DE4016152A1 Cylinder head for IC engine - has two exhaust valves per cylinder with exhaust ducts lined with ceramic
11/20/1990US4971008 Porting arrangement for multi-valve engine
11/20/1990US4970999 Cylinder head for overhead camshaft engine
11/20/1990US4970994 Intake manifold for V-type internal combustion engine
11/20/1990US4970769 Method for producing cylinder having scavenging passages for two-cycle internal combustion engine
11/14/1990EP0397361A1 Two-cycle heat-insulating engine
11/14/1990EP0397359A2 Cycle changeable engine
11/14/1990EP0396823A2 Anti-puddling turbulence inducing cylinder head intake port and manifold
11/14/1990EP0396676A1 Internal combustion engine.
11/14/1990EP0396557A1 Internal combustion engines.
11/13/1990US4969427 Cylinder head of a four-cycle engine
11/13/1990US4969426 Valve operating mechanism for internal combustion engine
11/13/1990US4969329 Two cycle engine with exhaust emission control
11/13/1990US4969263 Method of making a cast engine cylinder having an internal passageway
11/08/1990DE3940946A1 Cylinder head for IC engine - is made of one-piece light alloy casting with inlet and exhaust manifolds
11/07/1990EP0396262A2 Two cycle engine with exhaust emission control
11/07/1990EP0395722A1 Improved process for renewing cylinder heads
11/07/1990CN2065242U Cylinder body of minicar engine
11/06/1990US4967716 Internal combustion engine with integral intercooler
11/06/1990US4967458 Process for renewing cylinder heads
11/05/1990CA2015916A1 Two cycle engine with exhaust emission control
10/1990
10/31/1990EP0394832A1 Combustion engine with at least one cylinder head and one cylinder block
10/31/1990EP0394752A1 Water-cooled combustion engine with intercooler
10/31/1990DE4012492A1 Scavenging of two-stroke IC engine - has projection on wall of inlet port which deflects air to side of cylinder
10/31/1990DE4012471A1 Scavenging system for two stroke IC engine - which has one inlet valve for scavenging air and one valve for fuel-air mixture
10/31/1990DE3913844A1 Method of fixing IC engine cylinder head to block - involves using bolts inclined to central vertical longitudinal plane of block
10/30/1990US4966103 Combustion system for dual fuel engine
10/27/1990CA2011118A1 Internal combustion engine with integral intercooler
10/24/1990EP0393121A1 Two cycle engine with cylinder liner and exhaust bridge lubrication and cooling
10/23/1990US4964384 Tornado engine
10/23/1990US4964375 Valve operating mechanism
10/18/1990DE4011292A1 Cylinder head with two inlet and exhaust valves - has each inlet valve directly opposite exhaust valve
10/18/1990DE3912495A1 Camshaft for ŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸ IC engine - is mounted on bearing bolted to cylinder head
10/17/1990EP0392988A1 Method of producing cylinder heads with flame plates for internal combustion engines
10/16/1990US4962733 Device for reducing thermal restraint
10/16/1990US4962645 Four cycle, external combustion, closed regenerative cycle, piston engine
10/16/1990CA1275211C Engine cylinder intake port
10/10/1990EP0391793A1 Two-stroke internal-combustion engine
10/10/1990EP0390882A1 Reciprocating piston engine.
10/09/1990US4961405 Air shroud for cylinder and cylinder head assemblies
10/09/1990CA1275017A1 Cylinder head for dohc type four-cycle internal combustion engines
10/03/1990EP0390589A2 Stratified-combustion internal combustion engine
10/03/1990EP0389834A1 Arrangement of intake conduits for a multi-cylinder combustion engine
10/03/1990EP0389485A1 Dual tract induction
09/1990
09/25/1990US4959276 Heat-resistant, wear-resistant and high-strength Al-Si alloy, and cylinder liner employing same
09/25/1990US4958604 Direct fuel injection type spark ignition internal combustion engine
09/25/1990CA1274433A1 Self-sealing piston and method
09/19/1990EP0387277A1 Cooled cylinder head.
09/19/1990CN1009674B Connecting unit for cooling water conduit of cylinder head
09/18/1990US4957081 Combustion chamber of an engine
09/18/1990US4957068 Liquid-cooled four-valve cylinder head for a multi-cylinder internal combustion engine
09/18/1990CA1274132A1 Valve operating mechanism for internal combustion engine
09/16/1990CA2012442A1 Cylinder head straightener
09/12/1990EP0386329A1 Cylinder block
09/11/1990US4955337 High compression internal combustion engine
09/11/1990US4955335 Camshaft driving arrangement for internal combustion engine
09/07/1990WO1990010141A1 Twin cam multi-valve internal combustion engine
09/04/1990US4953528 Direct injection-type diesel engines
08/1990
08/28/1990WO1990010145A1 Engine supercharger and inlet manifold arrangement
08/28/1990US4951623 Double overhead camshaft engine
08/28/1990US4951622 Cylinder head for DOHC internal combustion engine with four valves per cylinder
08/28/1990US4951621 Four stroke internal combustion engine
08/28/1990CA2046326A1 Engine supercharger and inlet manifold arrangement
08/28/1990CA1273255A1 Engine having a multipiece cylinder block
08/28/1990CA1273254A1 Cylinder head with coolant passage passing around outside of cylinder head fixing bolt boss and directing coolant flow toward squish area cooling passage portion
08/28/1990CA1273253A1 Cylinder head with coolant passage following squish area and of generally uniform cross sectional area
08/27/1990CA2010942A1 Internal combustion engine with recessed intake manifold
08/22/1990EP0383297A2 Cylinder head and valve train arrangement for multiple valve engine
08/21/1990US4949687 Four valve cylinder head for a four cycle engine
08/16/1990EP0381842A1 Multi-cylinder internal-combustion engine with separate cylinder heads
08/16/1990EP0246484B1 Screwed connection for the cylinder head of a combustion engine
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