| Patents for F02B 31 - Modifying induction systems for imparting a rotation to the charge in the cylinder (3,175) |
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| 08/25/1998 | US5797368 Reciprocating piston internal combustion engine having at least one cylinder |
| 08/25/1998 | US5797365 Intake port device for an engine of a vehicle |
| 08/20/1998 | DE19804161A1 Four-stroke internal combustion (IC) engine with external ignition e.g. for automobile |
| 08/20/1998 | DE19705659A1 Internal combustion (IC) engine operating method e.g. for diesel and petroleum engines |
| 08/19/1998 | CN2288275Y Combustion system structure for low-discharging diesel engine |
| 08/18/1998 | US5794587 Tumble valve for multi-valve engine |
| 08/06/1998 | WO1998034017A1 Device for influencing intake air flow in an internal combustion engine |
| 07/22/1998 | EP0854273A1 Variable valve timing and valve events mechanism for an internal combustion engine |
| 07/14/1998 | US5778851 Piston-type internal combustion engine having at least two intake valves per cylinder |
| 07/14/1998 | US5778674 Turbocharged diesel engine |
| 07/09/1998 | DE19712356C1 Pollution-reduction method for direct-injection petrol engine |
| 07/07/1998 | US5775288 Direct injected internal combustion engine |
| 07/01/1998 | EP0851102A2 Combustion chamber structure for an internal combustion engine |
| 06/30/1998 | US5771858 Control apparatus for direct injection engine |
| 06/25/1998 | DE19754614A1 Vacuum control for inlet manifold of IC engine |
| 06/23/1998 | US5769060 Air-assisted fuel injection system |
| 06/17/1998 | EP0848148A2 Feed system for the air-fuel mixture formation and inlet into the combustion chamber of aspirated or supercharged, internal-combustion Otto engines with a 5 - valve head per cylinder |
| 06/17/1998 | EP0848147A2 Control apparatus for an in-cylinder injection type internal combustion engine |
| 06/17/1998 | EP0848146A2 Control apparatus for an in-cylinder injection type internal combustion engine |
| 06/17/1998 | CN1184886A Inner cylinder jet type internal combustion engine control device |
| 06/17/1998 | CN1184885A Inner cylinder jet type internal combustion engine control device |
| 06/16/1998 | US5765531 Multi-valve engine |
| 06/16/1998 | US5765525 Intake system for an internal combustion engine |
| 06/16/1998 | US5765524 Intake system for internal combustion engine |
| 06/16/1998 | US5765372 Lean burn engine for automobile |
| 06/09/1998 | US5762042 Internal combustion engine |
| 06/09/1998 | US5762041 Four-stroke internal combustion engine |
| 06/04/1998 | DE19649466A1 Method of controlling of reciprocating internal combustion engines |
| 06/02/1998 | US5758612 Valve actuating structure for multi-valve engine |
| 05/28/1998 | WO1998022701A1 Intake system for a stratified charge engine |
| 05/20/1998 | EP0843085A2 Air intake method and controller for engines performing stratified charge combustion |
| 05/20/1998 | EP0842352A1 Stratified charge engine |
| 05/20/1998 | DE19647301A1 Mixture-preparation system for Otto-cycle engine |
| 05/13/1998 | EP0733158B1 Controlled two-stroke internal combustion engine |
| 05/07/1998 | DE19644529A1 Internal combustion engine for motor vehicle |
| 05/05/1998 | US5746189 EGR gas assist injection system for internal combustion engine |
| 04/30/1998 | DE19644892A1 Intake control for turbo machines and IC engines |
| 04/22/1998 | EP0837232A2 Apparatus for controlling negative pressure in internal combustion engine |
| 04/22/1998 | EP0836674A1 Load control system for a stratified charge engine |
| 04/21/1998 | US5740778 Variable geometry intake system for an internal combustion engine |
| 04/21/1998 | US5740777 In-cylinder injection internal combustion engine |
| 04/21/1998 | US5740767 Scavenge control for engine |
| 04/14/1998 | US5738057 Low profile internal combustion engine |
| 04/14/1998 | US5738050 Controlled two-stroke internal combustion engine |
| 03/31/1998 | US5732554 Exhaust gas purification device for an internal combustion engine |
| 03/26/1998 | DE19741380A1 Direct-injection piston engine with injector at inlet side |
| 03/19/1998 | DE19740962A1 Screw-form inlet conduit |
| 03/18/1998 | EP0829636A1 Combustion chamber for internal combustion engines |
| 03/18/1998 | CN1176338A Direct fuel injection engine |
| 03/17/1998 | US5727521 Cylinder head of an internal-combustion engine |
| 03/17/1998 | US5727520 Four-stroke internal combustion engine with spark ignition |
| 02/26/1998 | DE19730660A1 Spark ignition engine with direct fuel injection |
| 02/25/1998 | EP0685028B1 Spark-ignition piston engine with facilities for changing the inlet direction of the fuel-air mixture |
| 02/24/1998 | US5720259 Fuel injected multi-valve engine |
| 02/18/1998 | EP0824185A2 Direct fuel injection spark ignition engine |
| 02/11/1998 | EP0823020A1 Fuel injection valve |
| 02/05/1998 | DE19631338A1 Internal exhaust gas recirculation system |
| 02/05/1998 | DE19631337A1 Exhaust gas recirculation system for internal combustion engine |
| 02/03/1998 | US5713330 Internal combustion engine with supercharger |
| 01/27/1998 | US5711269 In-cylinder injection internal combustion engine |
| 01/21/1998 | EP0819212A1 Resin air intake system provided with intake control valve |
| 01/20/1998 | US5709191 Process and device for controlling the intake air of a spark-ignition four-stroke engine |
| 01/15/1998 | WO1998001668A1 System for directly injecting fuel into a cylinder combustion chamber of an internal combustion engine |
| 01/14/1998 | EP0817906A1 Lean burn internal combustion engine |
| 01/06/1998 | US5704333 Fuel injection system for a lean burn engine |
| 01/06/1998 | US5704326 For guiding a flow of air |
| 01/06/1998 | US5704324 Engine |
| 01/02/1998 | DE19724607A1 Engine inlet passage to combustion chamber |
| 12/29/1997 | EP0814245A1 Method and device for operating a spark ignited piston internal combustion engine |
| 12/23/1997 | US5699761 Two-stroke internal combustion engine |
| 12/10/1997 | EP0811762A1 Exhaust gas recirculation system |
| 12/09/1997 | US5696318 Air intake for an internal combustion engine |
| 11/27/1997 | DE19633603C1 Internal combustion engine with cylinder head and cylinders |
| 11/06/1997 | DE19707767A1 Two stroke IC engine for portable powered industrial machine e.g. chain saws |
| 10/30/1997 | DE19713030A1 Four-stroke spark-ignition engine |
| 10/30/1997 | DE19713029A1 Four-stroke spark-ignition engine with direct fuel injection |
| 10/30/1997 | DE19713028A1 Fuel-injection spark-ignition four-stroke engine |
| 10/29/1997 | CN1163344A IC engine |
| 10/28/1997 | US5680839 Apparatus and method of delivering a fuel and air mixture for internal combustion engines |
| 10/22/1997 | EP0802319A1 An intake system for an internal combustion engine |
| 10/22/1997 | EP0746676B1 Intake manifold system |
| 10/21/1997 | US5679891 Failure diagnostic apparatus for swirl control apparatus |
| 10/15/1997 | EP0801224A2 Air intake arrangement for internal combustion engine |
| 10/14/1997 | US5676107 Direct injection diesel engine |
| 10/14/1997 | US5676102 Engine |
| 10/07/1997 | US5673671 For an internal combustion engine |
| 10/01/1997 | EP0798455A2 Intake air-flow control device for an internal combustion engine |
| 10/01/1997 | EP0797732A1 Internal combustion diesel engine for motor-vehicles, with direct injection |
| 10/01/1997 | EP0797731A1 Intake system for an internal combustion engine |
| 09/30/1997 | US5671713 Control device and apparatus for generating swirls in internal combustion engine |
| 09/30/1997 | US5671712 Induction system for engine |
| 09/30/1997 | US5671708 Engine |
| 09/30/1997 | US5671703 Two-cycle engine |
| 09/23/1997 | US5670715 Method of diagnosing a mechanism for improving combustion in an internal combustion engine and apparatus therefor |
| 09/23/1997 | US5669348 Cylinder head and induction system for engine |
| 09/23/1997 | US5669347 Intake system for an internal combustion engine |
| 09/23/1997 | US5669341 Valve operating system for internal combustion engine |
| 09/18/1997 | DE19708288A1 Reciprocating internal combustion engine |
| 09/16/1997 | US5666919 Engine |
| 09/12/1997 | WO1997033079A1 A combustion engine |