| Patents for F02F 3 - Pistons (8,555) |
|---|
| 04/02/1992 | DE4132295A1 Two=part piston for IC engine - has head comprising upper part and nave bulge parts |
| 04/02/1992 | DE4122089C1 Piston for IC engine - is made of graphite and has lands on skirt separated by wide shallow grooves |
| 04/01/1992 | CN2100493U Projected elliptical piston of 95 series diesel engines |
| 03/26/1992 | DE4110306A1 Tauchkolben aus leichtmetall fuer ottomotoren Plunger from alloy for gasoline engines |
| 03/25/1992 | EP0277252B1 Curved cylinder engine |
| 03/24/1992 | US5097807 Combustion chamber for diesel engines |
| 03/19/1992 | DE4029315A1 Attachment of piston crown to its skirt - involves bolts engaging tapped holes with slots near holes to prevent cracks in crown |
| 03/17/1992 | US5095869 Apparatus for control of pressure in internal combustion engines |
| 03/11/1992 | EP0474623A2 Externally ignited two stroke internal combustion engine with crankcase scavening |
| 03/11/1992 | EP0474332A1 A piston with a cooling cavity adjacent to piston-ring grooves |
| 03/10/1992 | US5094217 Air fuel injection system |
| 03/10/1992 | US5094149 Pistons having a component incorporated therein |
| 03/03/1992 | US5092290 Engine piston assembly with planar pin mounting surface |
| 03/03/1992 | US5092289 Diesel engines; fiber body height higher on side formed with combustion recess |
| 03/03/1992 | US5092224 Conical rod piston |
| 02/20/1992 | WO1992002722A1 Reciprocating engine |
| 02/13/1992 | DE4025556A1 Two=stage IC engine - involves unsymmetrical scavenging in stages with air and over stoichiometric fuel-air mixt. |
| 02/11/1992 | US5086736 Piston head with bores |
| 02/06/1992 | DE4024381A1 Internal combustion engine piston - has zones of forged pptn.-hardening steel contg. carbon, silicon, manganese, phosphorus, sulphur and vanadium |
| 02/05/1992 | EP0469666A1 Pistons |
| 02/05/1992 | CN1058453A Method and apparatus for coating motor pistons |
| 02/04/1992 | US5085185 Powder-lubricant piston ring for diesel engines |
| 01/30/1992 | DE4113773A1 Piston with reduced free play for internal combustion engine - has specific areas coated with low friction graphite and polymer dispersion and non-coated areas which are set back compared to coated areas |
| 01/29/1992 | EP0271568B1 Internal combustion engine using dynamic resonating air chamber |
| 01/23/1992 | DE4122921A1 Trunk piston for IC engine - has skirt with recesses between areas of largest and smallest ovality |
| 01/23/1992 | DE4022754A1 Trunk piston for IC engine - has skirt with areas of different surface roughness |
| 01/22/1992 | EP0466978A2 Process and apparatus for coating pistons |
| 01/21/1992 | US5081968 Pistons for an internal combustion engine |
| 01/21/1992 | US5081967 Piston with separate head and skirt |
| 01/21/1992 | US5081959 Cooling arrangement for piston head of internal combustion engine |
| 01/21/1992 | CA2043754A1 Process and a device for coating engine pistons |
| 01/16/1992 | DE4109628A1 Composite piston for internal combustion engine - of aluminium alloy and precipitation hardening steel |
| 01/09/1992 | DE4111368A1 IC engine piston assembly - has upper part connected to separate skirt by gudgeon pin in specially prepared bores |
| 01/09/1992 | DE4038549C1 IC engine oil pressure regulator - has piston control chamber connected to oil circuit pump assembly |
| 01/09/1992 | DE4021761A1 Piston used in IC engine - has surface coated with wear resistant material |
| 01/09/1992 | DE4020262A1 Combustion chamber for IC engine - is formed by depression in piston crown |
| 01/08/1992 | EP0465022A2 Pistons |
| 01/08/1992 | EP0464626A1 Assembled oil cooled piston for diesel engines |
| 01/08/1992 | EP0464622A1 A two-stroke engine |
| 01/08/1992 | EP0464594A1 An internal combustion engine |
| 01/07/1992 | US5079043 Uniform thickness for cylinders of internal combustion engines, ceramic coatings |
| 01/02/1992 | EP0463767A1 Pistons for engines or motors |
| 01/02/1992 | EP0463650A1 Lightweight metal piston |
| 01/02/1992 | EP0463613A1 A two-stroke engine |
| 01/02/1992 | EP0463437A1 Sintered bodies based on aluminium titanate, process for their production and use thereof |
| 01/02/1992 | EP0274505B1 Insulation material and method of applying the same to a component in a combustion engine |
| 12/31/1991 | US5076226 Internal combustion engine piston |
| 12/31/1991 | US5076225 Piston for an internal combustion engine |
| 12/25/1991 | CN1057317A Heated surface impingement ignition type internal combustion engine and heated surface impingement igniting |
| 12/24/1991 | US5074352 Method for manufacturing ceramic reinforced piston |
| 12/24/1991 | US5074264 Light alloy piston for internal combustion engines |
| 12/17/1991 | US5072654 Piston and bearing assemblies |
| 12/17/1991 | US5072653 Piston for a reciprocating machine including a split piston ring |
| 12/12/1991 | WO1991019083A1 Internal combustion engine of hot surface collision ignition type and hot surface collision ignition thereof |
| 12/12/1991 | DE4018252A1 Oil cooled IC engine - has oil deflection ring to recirculate oil in internal chamber in position |
| 12/11/1991 | EP0460901A2 Surfacing a convex substrate |
| 12/10/1991 | US5070768 Articulated piston |
| 12/05/1991 | WO1991019085A1 Heated surface fuel striking ignition type internal combustion engine and method of heated surface fuel striking ignition |
| 12/05/1991 | CA2044611A1 Hot surface impact ignition type internal combustion engine and method of hot surface impact ignition |
| 12/04/1991 | EP0459546A1 Piston-connecting rod arrangement |
| 11/28/1991 | WO1991014889A3 Piston and piston sealing ring assemblies |
| 11/26/1991 | US5067453 Piston of two-cycle engine |
| 11/26/1991 | US5067393 Piston head block for internal combustion engine |
| 11/20/1991 | CN1056340A Annulation-free piston |
| 11/19/1991 | US5065706 Cooled plunger piston for internal combustion engines |
| 11/19/1991 | US5065508 Two-piece piston and method of manufacturing the same |
| 11/14/1991 | DE4113722A1 Bearing bushes for piston gudgeon pin - are press fit in piston bosses and are positioned in axial direction by stop |
| 11/14/1991 | DE4108650A1 Cooled plunger piston for IC engine - has sepd. piston upper part and shaft and oil ring limiter |
| 11/12/1991 | US5063894 Ceramic fiber, magnesium alloy |
| 11/12/1991 | US5063893 Piston structure for internal combustion engine |
| 11/05/1991 | US5062399 Piston protection system for internal combustion engine |
| 10/31/1991 | DE4112889A1 Piston with passageways for cooling medium - is made in two parts which are welded together |
| 10/31/1991 | DE4112576A1 Piston for diesel engine - is made in two parts which are friction welded together |
| 10/30/1991 | EP0454117A1 Direct fuel injection type spark ignition internal combustion engine |
| 10/30/1991 | EP0454031A1 Construction of a combustion chamber for an internal combustion engine |
| 10/29/1991 | US5060609 Internal combustion engine |
| 10/23/1991 | EP0358701B1 Provision for the combustion chamber surfaces of an internal combustion engine |
| 10/22/1991 | US5058549 Fuel swirl generation type fuel injection valve and direct fuel injection type spark ignition internal combustion engine |
| 10/22/1991 | US5058489 Piston structure for internal combustion engine |
| 10/17/1991 | DE4011535A1 Piston for IC engine - has several compression ring below which is oil scraper ring with pressure unloading holes leading from its groove to piston interior |
| 10/15/1991 | US5056470 Piston-operated internal-combustion engine having wet cylinder liners |
| 10/15/1991 | US5056218 Method of making a hollow metal piston having elastic strip casted to its skirt |
| 10/09/1991 | EP0451011A1 Piston for internal-combustion engines |
| 10/09/1991 | EP0449848A1 Light plunger piston for internal combustion engines. |
| 10/09/1991 | CN2086306U Piston with contra-aperture clearance closed piston ring coupling parts |
| 10/08/1991 | US5055255 Aluminum alloy suitable for pistons |
| 10/08/1991 | US5054375 Piston for internal combustion engine |
| 10/03/1991 | WO1991014889A2 Piston and piston sealing ring assemblies |
| 10/02/1991 | EP0449278A1 Connecting structure of piston and connecting rod |
| 10/02/1991 | DE4010062A1 Oil cooling of piston - is for IC engine and involves annular groove in piston crown |
| 10/01/1991 | US5052356 Method for control of pressure in internal combustion engines |
| 10/01/1991 | US5052281 Internal combustion engine piston with top-land circumferential projection arrangement |
| 10/01/1991 | US5052280 Coolable trunk piston for internal combustion engines |
| 09/25/1991 | EP0447701A1 Reinforced heat resisting member and production method |
| 09/25/1991 | EP0305521B1 Piston of internal combustion engine |
| 09/24/1991 | US5050485 Cushioning of piston sidethrust in gas lubricated engine |
| 09/19/1991 | DE4008242A1 Method of reducing noise of IC engine - by mounting gudgeon pin in spring-loaded sliding bearings |
| 09/18/1991 | CN2084985U Internal-combustion engine piston with energy-saving, pollution-reducing and durable function |
| 09/17/1991 | US5048398 Single, light-weight and low friction light-metal piston for internal-combustion engines |
| 09/17/1991 | CA1289022C Composite piston |