| Patents for F02B 3 - Engines characterised byair compression andsubsequent fuel addition (15,671) |
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| 08/28/1991 | CN1054118A Efficiency increasing and power saving for diesel engine |
| 08/28/1991 | CN1054096A Smoke elliminating and oil saving emulsifier |
| 08/28/1991 | CN1013685B Lubricant composition containing transition metals for viscosity control |
| 08/27/1991 | US5042445 Electronic controlled fuel supply system for high pressure injector |
| 08/27/1991 | US5042441 Low emission combustion system for internal combustion engines |
| 08/27/1991 | US5042248 Process and apparatus for the regeneration of a soot-particle filter in an internal-combustion engine |
| 08/27/1991 | CA1288052C Internal combustion engine |
| 08/22/1991 | WO1991012421A1 Fuel injection device |
| 08/22/1991 | WO1991012420A1 System for achieving a four-stroke cycle with a single rotation of the crankshaft in an internal combustion engine |
| 08/22/1991 | WO1991012419A1 Improvements to two-stroke internal combustion engines with diesel-type compression ignition |
| 08/22/1991 | DE4102636A1 Independent domestic heating and current supply system - uses engine to drive generator charging battery and control unit for monitoring |
| 08/21/1991 | EP0442331A1 Method and apparatus for diminishing the possibility of gas detection |
| 08/20/1991 | US5041158 Powdered metal part |
| 08/20/1991 | US5040497 Engine starting aid |
| 08/20/1991 | US5040454 Piston assembly and piston member thereof having a predetermined compression height to diameter ratio |
| 08/20/1991 | US5040412 Evaluation of a fluctuating variable |
| 08/20/1991 | US5040408 Sump-riser |
| 08/14/1991 | EP0441401A1 Exhaust gas purification system for an internal combustion engine |
| 08/14/1991 | EP0441002A1 Hybrid liquid fuel composition in aqueous microemulsion form |
| 08/14/1991 | EP0440894A2 Trigger circuit with self-adjusting reference value |
| 08/14/1991 | EP0164395B1 Ceramic compositions |
| 08/14/1991 | DE4100459A1 Cylinder head for IC engine - has internal passageways for circulation of cooling liquid |
| 08/14/1991 | DE4004301A1 Surface protection from sun - air-conditions rooms or cabins by using thin strips of wood or metal stacked horizontally one behind the other |
| 08/14/1991 | DE4004110A1 Magnetic valve controlled fuel pump for diesel engine - uses detected shaft rotation markings to provide control signals for magnetic valve |
| 08/14/1991 | DE4004109A1 Diesel engine fuel injection control - uses electromagnetic valve with control time for individual engine cylinder selectively set to zero |
| 08/14/1991 | DE4004107A1 Diesel engine fuel pump electromagnetic control valve - has control signals supplied to valve corrected for valve switching times |
| 08/14/1991 | DE4003566A1 Multi-cylinder diesel engine with supercharger - which supplies only some of the cylinders when engine is started |
| 08/14/1991 | CN1053809A High-energy compound liquid fuel |
| 08/13/1991 | US5039839 Diesel engine glow plug with self-temperature saturation characteristic and extended after-glow-time |
| 08/13/1991 | US5039307 Diesel fuel detergent additive |
| 08/13/1991 | US5038563 Seawater power source for seawater powered tools |
| 08/13/1991 | US5038562 Burner for regeneration of a particle filter device |
| 08/13/1991 | CA1287534C Electromechanical run/stop actuator for diesel engine |
| 08/13/1991 | CA1287532C Method and apparatus for filtering solid particulate matter from diesel engine exhaust |
| 08/09/1991 | WO1991012417A1 Control system for diesel particulate trap regeneration system |
| 08/09/1991 | CA2073767A1 Control system for diesel particulate trap regeneration system |
| 08/08/1991 | WO1991011603A1 Method of controlling fuel injection pump control levers |
| 08/08/1991 | WO1991011593A1 Muffler for emission control of diesel particulates |
| 08/08/1991 | DE4003469A1 Injection pump controller for multi-cylinder engine - has piston position monitored by sensors and uses adjustable start point for injection |
| 08/08/1991 | DE4002183A1 Heater for motor vehicle - has vaporiser for liquid fuel with combustion gases fed through spiral path |
| 08/07/1991 | EP0440511A1 Apparatus for producing highly humid air |
| 08/07/1991 | EP0440401A1 Air-cooled internal combustion engine |
| 08/07/1991 | EP0440314A2 Method for variable valve timing for an internal combustion engine |
| 08/06/1991 | US5036810 Engine brake and method |
| 08/06/1991 | US5036808 Diesel-internal-combustion-engine, in particular for vehicles |
| 08/01/1991 | DE4002594A1 Tank fuel filling column - has gravity gas separator with annular chamber round duct forming centrifuge |
| 08/01/1991 | DE4002081A1 Black smoke prevention method on diesel engine starting - using electromagnetic valve to open line by passing engines turbocharger |
| 07/31/1991 | EP0435960A4 Reaction products of polyalkenyl succinimides, aldehydes, and triazoles and lubricant and fuel compositions containing same |
| 07/31/1991 | EP0207087B1 Re-regulation circuit for automobile tachometer detection circuit |
| 07/31/1991 | CN1053444A Manufacturing method of new fuel by mixing residual liquid of lpg with diesel oil and its equipment |
| 07/31/1991 | CN1013378B Method for production of esterified vegetable oil fuel |
| 07/30/1991 | US5035637 Engine valve cover gasket with electrical bridge |
| 07/30/1991 | US5035228 Exhaust-gas recycling device for an internal-combustion engine, epsecially a diesel engine |
| 07/30/1991 | US5035221 High pressure electronic common-rail fuel injection system for diesel engines |
| 07/30/1991 | US5035206 Dual fuel natural gas/diesel 2-stroke engine |
| 07/30/1991 | US5035115 Energy conserving engine |
| 07/30/1991 | CA1287007C Process for upgrading diesel oils |
| 07/25/1991 | WO1991010828A1 A means and method for measuring and controlling smoke from an internal combustion engine |
| 07/25/1991 | WO1991010825A1 Piston with swirl-inducing device for diesel engines |
| 07/25/1991 | DE4020936C1 Combustion engine chamber wall lining - by soot formed by combustion of carbonaceous material, esp. acetylene, gives constant wall dimensions |
| 07/25/1991 | DE4001926A1 Self-ignition fuel injection reciprocating piston engine - with uncooled combustion chamber and pistons of silica glass |
| 07/25/1991 | DE4001769A1 Bidirectional positioning control for stepper motor - has half-bridge switch coupling common node of two windings to earth or supply |
| 07/25/1991 | DE4001684A1 Hybrid electric traction system - comprises electric motor, accumulator and high temp. fuel cell with mixed conductor electrodes |
| 07/25/1991 | DE4001436A1 Multicylinder diesel engine fuel injector - has control rod with thermal expansion coefft. differing from that of crankcase |
| 07/24/1991 | EP0438360A2 Piston ring wear diagnosis device and procedure therefor |
| 07/24/1991 | EP0438163A2 Fuel injection apparatus |
| 07/24/1991 | EP0438162A1 Control valve |
| 07/24/1991 | EP0438097A1 Glow plug for diesel engines particularly of motor vehicles, with a tubular sheath having a diameter reduction at the closed end |
| 07/24/1991 | EP0437446A1 Device for injecting fuel in the combustion chamber of an internal combustion engine |
| 07/23/1991 | WO1991010848A1 Crank mechanism |
| 07/23/1991 | US5034037 Filter housing with integral fuel trap |
| 07/23/1991 | US5034020 Fuel additives to improve combustion, a platinum compound |
| 07/23/1991 | US5033957 Vaporizing diesel burner |
| 07/23/1991 | US5033679 Injector nozzle for a diesel engine |
| 07/23/1991 | US5033430 Diesel engine with indirect injection |
| 07/23/1991 | US5033427 Heat-insulating engine structure |
| 07/23/1991 | US5033177 Sleeve bearing puller and installer |
| 07/23/1991 | CA2073457A1 Crank mechanism |
| 07/18/1991 | DE4000708A1 Hydride use to reduce nitrogen oxide cpds. in combustion exhaust gas - after oxidising combustible components with air, reducing environmental pollution |
| 07/18/1991 | DE4000617A1 Light-weight recyclable car - runs on stored solar energy and diesel engine with three-cylinders and two-strokes |
| 07/17/1991 | EP0437303A2 Ceramic port liners |
| 07/17/1991 | EP0437302A2 Ceramic port liners |
| 07/17/1991 | EP0436779A1 Cylinder head for internal-combustion engine |
| 07/17/1991 | EP0436553A1 Device for producing a desired value of a control parameter of an internal combustion engine. |
| 07/17/1991 | EP0322412B1 Exhaust gas recirculation |
| 07/17/1991 | CN1053122A Micro-computer controlled testing bench for control air cylinder |
| 07/16/1991 | US5032145 Low temperature fluidity improver and compositions thereof |
| 07/16/1991 | US5031878 Valve seat made of sintered iron base alloy having high wear resistance |
| 07/16/1991 | CA1286099C Method of fracturing using hydration process involving sequential steps |
| 07/11/1991 | WO1991010048A1 Exhaust pipe with helical-flow catalyst support |
| 07/11/1991 | WO1991010044A1 Energy conserving engine |
| 07/11/1991 | WO1991009691A1 Aqueous solutions especially for cleaning high strength steel |
| 07/11/1991 | DE4000376A1 Operating procedure for machines using electricity - utilises waste heat and exhaust heat to generate steam |
| 07/10/1991 | EP0435965A1 Control device for stopping an internal combustion engine. |
| 07/10/1991 | EP0435960A1 Reaction products of polyalkenyl succinimides, aldehydes, and triazoles and lubricant and fuel compositions containing same |
| 07/10/1991 | CN1052927A Internal combustion engine with moisture air intake |
| 07/09/1991 | US5030780 Hydrogenation metal component, catalyst supports, hydrogen, high temperature and pressure |
| 07/09/1991 | US5029563 Combustion chamber assembly of direct injection diesel engines |
| 07/09/1991 | US5029558 Rotary vee engine |
| 07/09/1991 | CA1285961C Vortex counter flow dreding/pumping system |