| Patents for F02B 77 - Component parts, details, or accessories, not otherwise provided for (9,006) |
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| 07/11/1991 | DE4000491A1 Radiation, biological and chemical protection for I.C. engine - has ABC filter in quick release encapsulating enclosure with external coolant loops to isolate engine from contaminated environment |
| 07/09/1991 | US5029823 Vibration isolator with electrorheological fluid controlled dynamic stiffness |
| 07/09/1991 | US5029567 Internal combustion engine ignition system and cleaning device |
| 07/04/1991 | DE4039539A1 IC piston engine with noise insulation - has cylinder block and crankcase completely enclosed by sound damping outer structure |
| 07/03/1991 | EP0435847A1 Reciprocating internal combustion piston engine |
| 07/03/1991 | EP0435414A1 Vehicle engine mounting system |
| 07/03/1991 | EP0183771B1 Reference pulse verification circuit adaptable for engine control |
| 06/26/1991 | EP0433735A1 Alarm device for the protection of catalytic converters for the exhaust gases of endothermic motors |
| 06/25/1991 | US5026601 Zirconia-base sintered bodies having coating films |
| 06/25/1991 | US5025765 Heat-insulated four-cycle engine with prechamber |
| 06/19/1991 | EP0432444A1 Process for the preparation of high-temperature-resistant foams |
| 06/04/1991 | US5020492 Warning system for marine propulsion engine |
| 06/04/1991 | US5020491 Method and apparatus for controlling power generation in internal combustion engines |
| 06/04/1991 | US5020319 Hollow heat-resisting body assembly for internal combustion engine |
| 05/28/1991 | US5019118 Bearing structure for two-cycle internal combustion engine |
| 05/21/1991 | US5016585 Anticorrosive and rust free system for marine-using engine |
| 05/17/1991 | CA2028678A1 High temperature resistant foams |
| 05/16/1991 | WO1991007578A1 Composition for cleaning an internal combustion engine |
| 05/16/1991 | WO1991006753A1 Intake/exhaust apparatus incorporated in engine chamber |
| 05/16/1991 | WO1991006465A1 Sound- and heat-proofing apparatus of hydraulic operation valve |
| 05/16/1991 | DE3937763A1 Reinforced layer prodn. on engine cylinder surface - has cylinder head side of block sealed against treatment bath base plate with discharge pipe as anode |
| 05/16/1991 | CA2068525A1 Composition for cleaning an internal combustion engine |
| 05/15/1991 | EP0427413A1 Vibration isolator with electrorheological fluid controlled dynamic stiffness |
| 05/14/1991 | US5014661 Automotive thermal breaker apparatus |
| 05/08/1991 | EP0426421A1 Polymetallic piston-cylinder configuration for internal combustion engines |
| 05/07/1991 | US5012775 Two-cycle engine |
| 04/24/1991 | EP0423111A1 Process and device for improving the combustion process of fuels with oxygen containing gases and process for manufacturing said device |
| 04/23/1991 | USRE33575 Internal combustion engine noise reduction plate |
| 04/18/1991 | WO1991005233A1 Process for detecting irregular running in an internal combustion engine |
| 04/18/1991 | DE3933973A1 Measuring lubrication capability of lubricant, esp. for vehicle - by measuring pressure on two surfaces moved w.r.t. each other with test substance between them |
| 04/18/1991 | DE3932649A1 Verfahren zum ermitteln der laufunruhe einer brennkraftmaschine A method for the continuous unrest determine an internal combustion engine |
| 04/17/1991 | EP0422107A1 Remote mixing control tool with cleaning function |
| 04/16/1991 | US5007382 Cycle changeable engine |
| 04/11/1991 | DE4030433A1 Cylinder recognition device for multi-cylinder IC engine - uses opto-electronic coupler to detect phase of rotation of disc corresp. to transmission of second pulse |
| 04/11/1991 | DE3933654A1 Automatically detecting number of working cylinders of motor vehicle - repeatedly checking ratio of engine to wheel speed against ignition rate to assumed number of cylinders |
| 04/09/1991 | US5005534 Intake system for automotive engine |
| 04/03/1991 | EP0420641A1 Heat-insulating engine with swirl chamber |
| 04/03/1991 | EP0420099A2 Apparatus for deciding engine oil replacing time for an automobile |
| 04/03/1991 | EP0419999A1 Method for working friction stressed surfaces in internal combustion engines |
| 04/02/1991 | US5004835 For x-ray imaging |
| 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 | DE3930748A1 Mixt. used to burn off carbon black on exhaust gas filter - comprising acetyl acetone and copper component in finely divided insol. form |
| 03/27/1991 | EP0211076B1 Compound rotary-reciprocal engine |
| 03/26/1991 | US5002467 In-tank fuel pump mount |
| 03/19/1991 | US5000133 Two-cycle heat-insulating engine |
| 03/19/1991 | US5000042 Engine timing calibration method |
| 03/14/1991 | DE4025994A1 Cylinder head for IC engine - has cover of highly heat-resistant material |
| 03/13/1991 | EP0416907A2 Method of removing soot from lubricating oils |
| 03/13/1991 | EP0416905A2 Method of removing sludge from lubricating oils |
| 03/13/1991 | EP0416297A1 Noise damped sheet oil sump for an internal combustion engine |
| 03/12/1991 | US4998969 Engine maintenance fluid introduction system |
| 03/12/1991 | US4998517 Heat insulating engine |
| 03/08/1991 | CA2024005A1 Method of removing soot from lubricating oils |
| 03/05/1991 | US4996875 Apparatus and method for evaluation of fluid flow within a combustion chamber |
| 02/27/1991 | EP0413773A1 Nitro group-containing amines, and fuel compositions containing same |
| 02/26/1991 | US4995355 Rapid shut-off system for a truck engine |
| 02/21/1991 | DE3941998C1 Encapsulated auxiliary power unit - is fitted in vehicle and has little IC engine inside generator |
| 02/21/1991 | DE3928507C1 Sound-absorbing cladding on Diesel engine - has thin panels connected to crankcase by pieces of soft rubber |
| 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 | US4993865 Flywheel mounting device for internal combustion engine |
| 02/19/1991 | US4993381 Internal combustion engine having a sound-damping casing |
| 02/19/1991 | US4993371 Internal combustion engine ignition system and cleaning device |
| 02/12/1991 | US4992187 Synergistic mixture of five member heterocyclic ring and hydrazine |
| 02/12/1991 | US4991254 Cleaning system |
| 02/12/1991 | CA1279980C Automotive engine cup plug sealing method |
| 02/08/1991 | CA2022819A1 Combustion engine |
| 02/06/1991 | EP0412017A1 Detection method and device for the electronic injection system of an internal combustion engine with multicylinders |
| 02/05/1991 | US4989561 Method and apparatus to clean the intake system of an internal combustion engine |
| 02/04/1991 | CA2008270A1 Hour meter |
| 01/30/1991 | EP0410202A1 Additive for liquifiedgas-fuel |
| 01/30/1991 | EP0410078A1 Sound absorption for the oil sump of a motor vehicle and method for its mounting |
| 01/24/1991 | DE3922636C1 Thermally shielding ICE construction parts - using device comprising metal shield or film coated with heat insulation material |
| 01/23/1991 | EP0409428A1 Four-cycle heat insulating engine |
| 01/23/1991 | EP0408876A1 Control and extended operation of overheated IC engine |
| 01/22/1991 | US4986234 Polymetallic piston-cylinder configuration for internal combustion engines |
| 01/22/1991 | US4986233 Ignition device for an engine |
| 01/21/1991 | CA2003555A1 Freeze plug |
| 01/16/1991 | EP0407397A1 Pressure transducer for determining the pressure in the combustion chamber of an internal combustion engine. |
| 01/10/1991 | DE3922234A1 Temp. monitor esp. for combustion engine cooling system - switches off engine depending on temp. w.r.t. threshold comparison and temp. gradient against time |
| 01/08/1991 | US4982707 Automotive vehicle vibration control arrangement |
| 01/03/1991 | DE3920438A1 Pre-combustion chamber for IC engine - with insulation space between chamber, cylinder head and gasket |
| 12/27/1990 | EP0404181A1 Internal combustion engine elastic encapsulation suspension |
| 12/25/1990 | US4980321 Parts for internal combustion engine such as piston and cylinder head |
| 12/25/1990 | US4980241 Foil insert in a joint between machine components |
| 12/25/1990 | US4980103 Kneading potassium titanate, silicon nitride and glass balloon with calcium oxide, molding, shaping, drying, and baking |
| 12/25/1990 | US4979485 Cylinder recognition apparatus for an internal combustion engine |
| 12/18/1990 | US4978587 Steel backing layer, copper-based alloy bearing layer, silver or alloy layer lead alloy layer; thickness, corrosion and wear resistance |
| 12/16/1990 | CA2013885A1 Extended over temperature operation and controls for ic engines |
| 12/13/1990 | WO1990015232A1 Standing wave noise processing device for internal combustion engine or the like |
| 12/11/1990 | US4976233 Quick connect coupling adapters for facilitating simple and high speed oil change in an internal combustion engine |
| 12/08/1990 | WO1990015316A1 Computer-aided engine diagnostic system |
| 12/04/1990 | US4975848 Diagnosis system for a motor vehicle |
| 12/04/1990 | US4975008 Fastener assembly with sealing grommet |
| 12/04/1990 | US4974572 Apparatus for and method of diagnosing exhaust gas recirculation system |
| 11/27/1990 | US4972674 Heat insulating ceramic insert-cast articles for use in exhaust channels in internal combustion engines and a process for producing the same |
| 11/22/1990 | EP0397752A1 Carbon-cleaning apparatus for diesel engines |
| 11/22/1990 | EP0397688A1 Sealed container |
| 11/20/1990 | US4971587 Apparatus for fixing a cowling of an outboard motor |
| 11/20/1990 | US4971583 Apparatus for outboard engine for switching to voice alarm output |
| 11/15/1990 | WO1990013740A1 Fuel distributor for fuel injection installations in internal combustion engines |