| Patents for F02F 1 - Cylinders; Cylinder heads (16,229) |
|---|
| 05/08/1991 | DE4031462A1 Valve arrangement for direct injection diesel engine - involves positioning of main and auxiliary levers to give angular adjustment |
| 05/07/1991 | US5012783 Cylinder head for an internal combustion engine with five valves per cylinder |
| 05/07/1991 | US5012776 Composite cylinder block assembly |
| 05/07/1991 | US5012574 Controlled machining of combustion chambers gears and other surfaces |
| 05/02/1991 | DE4031461A1 IC engine with more than two valves per cylinder - makes use of two springs to close single valve |
| 04/25/1991 | DE3934883A1 IC engine with air injection device - has connected distributor tube and injection tube |
| 04/24/1991 | EP0424109A2 Aluminium alloy matrix composite for internal combustion engines |
| 04/24/1991 | EP0423830A1 Piston cooling nozzle |
| 04/23/1991 | US5009204 Spark plug arrangement in an overhead camshaft engine |
| 04/23/1991 | US5009200 Intake manifold assembly for a multicylinder internal combustion engine |
| 04/18/1991 | WO1991005147A1 Camshaft for multi-valve internal combustion engine |
| 04/17/1991 | EP0422856A1 Reduced friction piston |
| 04/17/1991 | EP0422279A1 Camshaft arrangement for multi valve engine |
| 04/17/1991 | EP0422277A1 Combustion chamber and valve operating mechanism for multi-valve engine |
| 04/17/1991 | EP0422276A1 Cylinder head cooling for multiple valve engine |
| 04/17/1991 | EP0422275A1 Porting arrangement for multi-valve engine |
| 04/17/1991 | EP0332619B1 Cylinder head cap |
| 04/17/1991 | CN1012383B Internal-combustion piston engine with wet cylinder-bushes |
| 04/16/1991 | US5007392 Cylinder head structure for multiple cylinder engines |
| 04/16/1991 | US5007387 Four valve per cylinder engine head |
| 04/16/1991 | US5007382 Cycle changeable engine |
| 04/16/1991 | US5007279 Cylinder head straightener |
| 04/12/1991 | CA2026330A1 Reduced friction piston |
| 04/11/1991 | DE4030920A1 Combustion chamber for two=stroke engine - has elliptical cross=section with inlet and exhaust valves at opposite ends |
| 04/11/1991 | DE4001140C1 Cylinder block for liquid cooled IC engine - has coolant channels in internal angle of V=shaped block |
| 04/11/1991 | DE3931678A1 Light alloy pressure die casting - incorporates cylinder walls produced by chilling casting |
| 04/10/1991 | EP0421357A1 Fuel injected automotive engine |
| 04/10/1991 | EP0354941B1 Reciprocating internal combustion engine with wet cylinder linings |
| 04/10/1991 | CN2074819U Model 175f-1 diesel engine single metal cylinder sleeve |
| 04/09/1991 | US5005535 Internal Combustion engine with recessed intake manifold |
| 04/09/1991 | US5005469 Cylinder liner unit for use in an internal combustion engine |
| 04/04/1991 | DE4029427A1 Piston-engine cylinder structure - has cooling jacket enclosed by oil vessel connected to lubrication system |
| 04/04/1991 | DE3928520A1 Piston-engine output-improvement - involves partly encapsulated combustion chamber enclosed by air buffer-storage chamber |
| 04/03/1991 | EP0420642A1 Alcohol engine with combustion cavity |
| 04/03/1991 | EP0420139A1 Multi-valve engine |
| 04/03/1991 | EP0419999A1 Method for working friction stressed surfaces in internal combustion engines |
| 04/02/1991 | US5004404 Variable positive fluid displacement apparatus with movable chambers |
| 04/02/1991 | US5003945 Dual spark plug ignition system for motorcycle internal combustion engine |
| 04/02/1991 | US5003939 Valve duration and lift variator for internal combustion engines |
| 04/02/1991 | US5003937 Valve operating system for internal combustion engine |
| 04/02/1991 | CA1282291C Aluminum alloy cylinder head with valve seat formed integrally by copper alloy cladding layer and underlying alloy layer |
| 03/28/1991 | DE3930894A1 Two=stroke piston-valve engine - has cylinder wall mfd. without breaks and porous inserts in inlet ports |
| 03/26/1991 | US5002025 Lubricating oil permeable cylinder wall ring |
| 03/26/1991 | CA1281953C Plug cap apparatus |
| 03/21/1991 | WO1991003632A1 Cooling method of cylinder liner of engine |
| 03/20/1991 | CN2073480U Engine of motorcycle |
| 03/19/1991 | US5000244 Lost foam casting of dual alloy engine block |
| 03/19/1991 | US5000138 Installing spark plugs in a diesel internal combustion engine |
| 03/19/1991 | US5000133 Two-cycle heat-insulating engine |
| 03/19/1991 | US5000132 Scavenging system for a two-stroke internal combustion engine |
| 03/19/1991 | US5000127 Cylinder sleeve for two-cycle engine |
| 03/14/1991 | DE4025994A1 Cylinder head for IC engine - has cover of highly heat-resistant material |
| 03/14/1991 | DE4004767A1 Bearing sleeve |
| 03/13/1991 | EP0416600A1 Cylinder head of internal combustion engine |
| 03/13/1991 | EP0416599A1 Internal combustion engine cylinder head |
| 03/12/1991 | US4998517 Heat insulating engine |
| 03/12/1991 | US4998513 4-stroke, stratified gas engine |
| 03/12/1991 | CA1281291C Two cycle engine with exhaust bridge lubrication |
| 03/07/1991 | DE4028017A1 Valve controlled IC engine - has separate inlet and outlet valves and incorporates compensator with mass and spring |
| 03/06/1991 | EP0415022A1 Automotive internal combustion engine with a liquid cooling system |
| 03/06/1991 | CN1049702A Lubricating device for motor cylinders |
| 02/28/1991 | DE3927816A1 Piston for two=stroke IC engine - incorporates two diametrically opposite flats formed on skirt |
| 02/26/1991 | US4995359 Combustion chamber for internal combustion engine |
| 02/26/1991 | US4995358 Internal combustion engines |
| 02/26/1991 | US4995349 Stratified air scavenging in two-stroke engine |
| 02/21/1991 | DE3926796A1 IC engine with ceramic cylinder liner - reduces heat lost to cooling system due to low conductivity of material |
| 02/19/1991 | US4993378 Lubricating oil passage structure for a cylinder block |
| 02/19/1991 | US4993227 Turbo-charged engine |
| 02/14/1991 | DE3926423A1 Four-stroke IC engine - has two inlet valves in combustion chamber, one valve opening briefly during exhaust stroke |
| 02/13/1991 | EP0412761A2 Slurry for forming interlayer for collapsible core, method of production of collapsible core using same and collapsible core produced thereby |
| 02/06/1991 | EP0412064A1 A cylinder head for an internal combustion engine with five valves per cylinder |
| 02/06/1991 | EP0412009A1 Multi-cylinder petrol injection engine with three valves per cylinder |
| 02/06/1991 | EP0412008A1 Multicylinder fuel injection engine having four valves per cylinder |
| 02/06/1991 | EP0411785A2 Cylinder liner insert and method of making engine block therewith |
| 02/06/1991 | EP0411319A2 Automotive internal combustion engine with bearings structure for crankshaft and outputshaft |
| 02/06/1991 | EP0411288A1 Inlet conduit |
| 02/05/1991 | US4989557 Spark plug assembly for internal combustion engine |
| 01/31/1991 | DE4000137C1 Press for mfg. shaped sand bodies esp. for brake calliper core mould - includes shaping tool having upper- and lower parts working together with guiding mandrel to obtain burr-free core mould |
| 01/30/1991 | EP0410132A1 Flow channel |
| 01/29/1991 | US4988290 Combustion space with a ceramic lining such as in the combustion chamber of an internal combustion engine or the combustion space in a rotary kiln furnace |
| 01/29/1991 | US4987865 Reduced friction piston |
| 01/29/1991 | US4987864 Two cycle engine with valved pressure scavenging |
| 01/24/1991 | WO1991000684A1 Twi-stroke cycle engine cylinder construction |
| 01/22/1991 | US4986942 Method for forming ported cylinder sleeve liner foam pattern |
| 01/22/1991 | US4986234 Polymetallic piston-cylinder configuration for internal combustion engines |
| 01/22/1991 | US4986230 Method of joining cylinder bore liners to an engine block |
| 01/22/1991 | US4986224 Internal combustion engine |
| 01/17/1991 | DE4011140A1 Two stroke IC engine - has piston rod fitted with transverse pin with rollers which run in sinusoidal slot |
| 01/17/1991 | CA2018632A1 Ceramic engine |
| 01/16/1991 | EP0408080A2 Valve and spring arrangement for engine |
| 01/16/1991 | EP0408079A1 Valve actuating arrangement for engine |
| 01/16/1991 | EP0407696A1 Crankcase breather and lubrication oil system for an internal combustion engine |
| 01/16/1991 | CN1011259B Laminar heat shield |
| 01/15/1991 | US4984539 Liquid cooled internal combustion engine |
| 01/15/1991 | CA1278964C Two stroke cycle internal combustion engines |
| 01/10/1991 | DE3920080A1 Ignition system for IC engine - assigns own ignition unit to each spark plug with MV outlet connected to plug sleeve pushed on centre electrode |
| 01/09/1991 | EP0406697A1 Automotive internal-combustion engine with camshaft drive system |
| 01/09/1991 | CN1011154B Cylinder head casing |
| 01/03/1991 | DE3920089A1 IC engine with two electrodes in each combustion chamber - has fuel injection nozzle and spark plug electrodes arranged so that in spreading of flame core disturbing influences are prevented |
| 01/02/1991 | EP0405566A1 Guiding gases in a common cylinderhead for an internal combustion engine |