| Patents for F02B 27 - Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues (3,152) |
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| 07/10/1990 | US4939898 Exhaust system for multi-cylinder internal combustion engines and method for controlling same |
| 07/05/1990 | DE4003498A1 Cylinder head for internal combustion engine - has inlet and exhaust valve combined in double seat ring valve |
| 07/05/1990 | DE3843690A1 Intake system combining a ram pipe system and resonator system for multicylinder internal combustion engines |
| 07/04/1990 | EP0376299A1 Suction apparatus for engine |
| 07/03/1990 | US4938177 Intake system of multicylinder internal combustion engine |
| 06/28/1990 | DE3843509A1 Ansaugsystem fuer eine brennkraftmaschine Intake system for an internal combustion engine |
| 06/20/1990 | EP0373639A1 Exhaust gas conduit system for a supercharged combustion engine |
| 06/12/1990 | US4932378 Intake system for internal combustion engines |
| 06/12/1990 | US4932369 Internal combustion engine inlet manifold |
| 05/30/1990 | EP0370515A2 V-type multi-cylinder engine air intake system |
| 05/22/1990 | US4926802 Tuned manifold |
| 05/22/1990 | US4926636 Engine-control apparatus |
| 05/09/1990 | EP0367150A2 Intake system for an internal combustion engine with supercharger |
| 05/09/1990 | EP0366712A1 Exhaust valve throttling mechanism for two-stroke engine |
| 05/08/1990 | US4922864 System for controlling air intake for an automotive engine |
| 05/02/1990 | EP0366358A2 Intake system of multicylinder internal combustion engine |
| 05/01/1990 | US4920745 Internal combustion engines |
| 04/25/1990 | EP0365016A2 Intake system for V-type engine |
| 04/25/1990 | EP0364770A2 Air intake resonance system for an internal-combustion engine |
| 04/24/1990 | US4919087 Intake system for V-type vehicle engine |
| 04/24/1990 | US4919086 For a multi-cylinder internal combustion engine |
| 04/10/1990 | US4914911 Marine engine exhaust system with diverter valve and alternate exhaust discharge |
| 04/03/1990 | US4912930 High performance exhaust system for internal combustion engine |
| 04/03/1990 | US4912927 Engine exhaust control system and method |
| 03/29/1990 | DE3908801C1 Shaped casting and apparatus for casting the same |
| 03/27/1990 | US4911122 Tuned intake air inlet for a rotary engine |
| 03/27/1990 | US4911111 Intake manifold for an internal combustion engine |
| 03/27/1990 | US4910960 Exhaust control system on internal combustion engine |
| 03/22/1990 | WO1990002869A1 Manifold tuning |
| 03/20/1990 | US4909034 Low speed back pressure generator for affecting torque of an internal combustion engine |
| 03/20/1990 | US4909033 High performance exhaust system for internal combustion engine |
| 03/15/1990 | DE3831085A1 Intake system of an internal combustion engine |
| 03/14/1990 | EP0358357A1 Engine exhaust control system |
| 03/13/1990 | US4907547 One-piece wave deflector for I.C. engine intake system |
| 03/06/1990 | US4905646 Two-stroke internal combustion engine with cylinder head valves |
| 03/01/1990 | DE3829522A1 Intake device for an internal combustion engine |
| 02/28/1990 | EP0356378A2 Exhaust gas manifold of a diesel engine with 9 or 18 cylinders |
| 02/28/1990 | EP0355960A2 An internal combustion engine inlet manifold |
| 02/20/1990 | US4901680 Intake system for engines |
| 02/20/1990 | US4901528 System for suppressing noise due to exhaust gas from motor vehicle |
| 02/13/1990 | US4900343 Induction system for internal combustion engines |
| 02/06/1990 | US4898144 Intake system for internal combustion engine |
| 01/31/1990 | EP0352820A2 Intake system for V-type engine |
| 01/30/1990 | US4896504 Exhaust gas control device for engines |
| 01/24/1990 | EP0352058A2 Heat insulating engine |
| 01/23/1990 | US4895112 Intake pipe system for a reciprocating engine |
| 01/11/1990 | DE3822669A1 Injection exhaust elbow for IC engine - has pipes combined in pairs into injector chambers, alternately exhausting each other |
| 01/11/1990 | DE3822668A1 Air intake system for a multicylinder V-engine |
| 01/02/1990 | US4890586 Intake device for an internal combustion engine |
| 01/02/1990 | US4890582 Method for postcharging an IC engine of the piston type and an apparatus for performing the method |
| 12/26/1989 | US4889082 Intake system for multiple-cylinder engine |
| 12/21/1989 | DE3820674A1 Air intake system for a multi-cylinder internal combustion engine |
| 12/21/1989 | DE3820643A1 Intake pipe for an internal combustion engine |
| 12/12/1989 | US4886020 Engine induction system |
| 12/07/1989 | DE3818158A1 Method and device for the removal of soot deposited in an exhaust-gas filter of an internal combustion engine |
| 11/07/1989 | US4878460 Intake system for V-type internal combustion engine |
| 10/25/1989 | EP0338049A1 Engine intake system |
| 10/24/1989 | US4875438 Method of controlling composite intake manifold system for internal combustion engine |
| 10/18/1989 | EP0337816A2 Intake manifold for an internal combustion engine |
| 10/03/1989 | US4870928 Two-cylinder engine |
| 09/26/1989 | US4869063 Exhaust gas control means for engine |
| 09/19/1989 | US4866931 Exhaust arrangement for an internal combustion engine |
| 09/14/1989 | DE3807159A1 Intake pipe of an internal combustion engine |
| 09/12/1989 | US4864980 Exhaust valve throttling mechanism for two-stroke engine |
| 09/05/1989 | US4862840 Intake device for internal combustion engine |
| 08/30/1989 | EP0330302A2 Engine with variable area intake passages |
| 08/29/1989 | US4860538 Exhaust gas control means for motorcycle and the like |
| 08/23/1989 | EP0329165A2 Engine-control apparatus |
| 08/23/1989 | EP0203110B1 Exhaust systems for multi-cylinder internal combustion engines |
| 08/22/1989 | US4858570 V-type engine |
| 08/22/1989 | US4858569 Reciprocating piston-type internal combustion engine with resonance charging |
| 08/22/1989 | US4858568 Intake apparatus for internal combustion engine |
| 08/17/1989 | DE3803320A1 Internal combustion engine |
| 08/08/1989 | US4854271 Intake manifold assembly for engines |
| 08/08/1989 | US4854270 Intake system for internal combustion engines |
| 08/03/1989 | DE3802836A1 Internal combustion engine |
| 07/25/1989 | US4850317 Intake port device |
| 07/25/1989 | US4850189 Manifold baffle system |
| 07/18/1989 | US4848281 Pulse chamber and supercharging apparatus for internal combustion engines |
| 07/18/1989 | US4848280 Intake apparatus for internal combustion engine |
| 07/11/1989 | US4846117 Intake system for multiple-cylinder engine |
| 06/27/1989 | US4841935 Variable air induction control system for internal combustion engine |
| 06/20/1989 | US4840029 Exhaust gas control means for engine |
| 06/15/1989 | DE3741117A1 Method of treating the exhaust gas of piston engines for reaction improvement in engine combustion chambers and post-reaction stretches |
| 06/15/1989 | DE3741093A1 Suction pipe installation for an internal combustion engine |
| 06/15/1989 | DE3740683A1 Method of treating the exhaust gas of piston engines for reaction improvement in engine combustion chambers and post-reaction stretches |
| 06/13/1989 | US4838215 Inertia supercharging induction system for multi-cylinder internal combustion engine |
| 06/08/1989 | DE3740403A1 Suction pipe for a multi-cylinder internal combustion engine |
| 06/08/1989 | DE3739686A1 Piston engines with method for reaction improvement in the engine combustion chambers and post-reaction stretches |
| 06/06/1989 | US4835965 "Y" equal length exhaust system for two-cycle engines |
| 06/01/1989 | DE3807193A1 Intake device for an internal combustion engine |
| 05/30/1989 | US4834048 Internal combustion engine having at least two inlet valves per combustion chamber |
| 05/23/1989 | US4831823 Exhaust gas control means for motorcycle and the like |
| 05/18/1989 | WO1989004420A1 Improved exhaust valve throttling mechanism for two-stroke engine |
| 05/18/1989 | DE3737824A1 Method for operating an internal combustion engine of the piston type |
| 05/16/1989 | US4829942 Intake system for a multi-cylinder internal-combustion engine |
| 05/16/1989 | US4829941 Intake system for multiple-cylinder engine |
| 05/09/1989 | US4827880 Pulsation controller in the intake/exhaust systems of internal combustion engines |
| 05/09/1989 | US4827879 Manifold attachment |
| 04/27/1989 | DE3734616A1 Piston engines with method for improving the reaction in engine combustion chambers and secondary reaction systems |