Patents
Patents for F02B 31 - Modifying induction systems for imparting a rotation to the charge in the cylinder (3,175)
09/1991
09/24/1991US5050566 Flow duct for an internal combustion engine
09/24/1991US5050557 Stratified-combustion internal combustion engine
08/1991
08/28/1991EP0444018A1 Internal combustion engine comprising at least two inlet valves per cylinder
08/22/1991DE4004691A1 Tubular guide piece for IC engine gas channel - incorporates bimetal slotted end area assuming different shapes dependent upon temp. conditions
08/07/1991EP0439848A1 Short circuit primary turbulence system for a combustion engine
07/1991
07/16/1991US5031588 Internal combustion engine utilizing stratified charge combustion process
06/1991
06/19/1991EP0432374A1 Inlet conduit
04/1991
04/25/1991DE3934883A1 IC engine with air injection device - has connected distributor tube and injection tube
03/1991
03/12/1991US4998518 Swirl control system for lean-burn engines
02/1991
02/26/1991US4995358 Internal combustion engines
02/26/1991CA1280651C Combustion engine, particularly ignited four stroke engine
01/1991
01/30/1991EP0410132A1 Flow channel
01/23/1991EP0409428A1 Four-cycle heat insulating engine
01/17/1991CA2018632A1 Ceramic engine
12/1990
12/18/1990US4977874 Indirect injection diesel engine
12/13/1990DE4017066A1 IC engine cylinder head - has two inlet valves with common shutter regulating second port and section of first
12/04/1990US4974566 Optimal swirl generation by valve control
11/1990
11/27/1990US4972814 Combustion system of an internal combustion engine
11/14/1990EP0396676A1 Internal combustion engine.
11/14/1990EP0396557A1 Internal combustion engines.
10/1990
10/23/1990US4964384 Tornado engine
10/16/1990CA1275211C Engine cylinder intake port
10/10/1990EP0391599A2 An induction system for an internal combustion engine
10/03/1990EP0390589A2 Stratified-combustion internal combustion engine
10/02/1990US4959961 Supercharged internal combustion engine
08/1990
08/07/1990US4945873 Internal combustion engine with two inlet valves per cylinder
08/01/1990EP0380222A1 In-Cylinder control of particulates and nitric oxide for diesel engine
07/1990
07/31/1990US4944266 Direct-injection diesel engine
07/23/1990CA2007212A1 In-cylinder control of particulates and nitric oxide for diesel engine
07/03/1990US4938213 Two-stroke engine
06/1990
06/13/1990EP0373145A1 Internal-combustion engine with two valves per cylinder
06/05/1990US4930468 Ice with single intake valve and dual intake manifold runners
05/1990
05/31/1990WO1990005842A1 Internal combustion engine
05/23/1990DE3936263A1 IC engine with two inlet valves per cylinder - has system to control degree of swirl in air flowing to each valve
05/22/1990US4926823 Method of controlling an air/fuel ratio or an internal combustion engine
05/03/1990DE3836550A1 Inlet port system for an internal combustion engine with two inlet valves per cylinder arranged in the cylinder head
05/02/1990EP0365906A2 Combustion chamber
04/1990
04/27/1990CA2000562A1 Combustion chamber
03/1990
03/20/1990US4909210 Variable swirl intake apparatus for engine
03/06/1990US4905646 Two-stroke internal combustion engine with cylinder head valves
02/1990
02/20/1990US4901680 Intake system for engines
11/1989
11/29/1989CN2048514U Valve-in-head petrol engine horizontal 8 combustion chamber
11/28/1989US4883032 In-cylinder control of particulates and nitric oxide for diesel engine
10/1989
10/31/1989US4877004 Internal combustion engine for a vehicle
10/17/1989US4873953 Induction port arrangement for internal combustion engine having multiple inlet valves per combustion chamber
09/1989
09/19/1989US4867109 Intake passage arrangement for internal combustion engines
09/14/1989DE3906369A1 Internal combustion engine
09/13/1989CN1035545A Internal combustion engines
09/07/1989DE3153451C2 Two-stage carburettor for internal combustion engines
08/1989
08/22/1989US4858567 Internal combustion engine
08/15/1989US4856473 Internal combustion engine with multiple intake valves and EGR arrangement
08/08/1989US4854291 Cylinder head for use in diesel engines
07/1989
07/25/1989US4850317 Intake port device
07/04/1989US4844040 Engines
06/1989
06/28/1989EP0321508A1 Internal combustion engine with exhaust return system, in particular otto engine
06/21/1989EP0321313A2 Internal combustion engine for a vehicle
05/1989
05/30/1989US4834048 Internal combustion engine having at least two inlet valves per combustion chamber
05/30/1989US4834047 Spark-ignition internal combustion engine
05/30/1989US4834035 Variable swirl intake apparatus for engine
05/09/1989US4827883 Variable swirl inlet port
05/05/1989WO1989003932A1 Internal combustion engines
04/1989
04/27/1989DE3833846A1 Intake arrangement for an internal combustion engine with a flap generating a swirl and/or turbulence
04/25/1989US4823748 Actuating arrangement
04/18/1989US4821686 Two-stroke internal combustion engine with cylinder head valves
04/12/1989CN1003876B Air intake of internal combustion engine
03/1989
03/28/1989US4815422 Four stroke piston engine
03/07/1989US4811231 Apparatus for controlling fuel injection and swirl motion of air in internal combustion engine
02/1989
02/21/1989US4805569 Intake system for an engine
01/1989
01/12/1989WO1989000241A1 Internal combustion engine, in particular otto engine with exhaust return system
12/1988
12/28/1988EP0296895A1 Device for imparting a rotary motion to a gas in a rectilinear part of a conduit
12/27/1988US4793306 Air flow management in an internal combustion engine through the use of electronically controlled air jets
12/06/1988US4789004 Apparatus and method for increasing fluid flow rate in a flow path including a curved flow path section
12/01/1988DE3814835A1 Internal combustion engine with at least two inlet valves per combustion chamber
12/01/1988DE3716505A1 Method for Reducing the Wear of the Control Devices in Internal-Combustion Engines and Device for carrying out the Method
11/1988
11/09/1988EP0289675A1 A method, and a valving arrangement, for improving air-fuel mixing
11/01/1988US4781154 Two-cycle internal combustion engine
10/1988
10/27/1988DE3712231A1 System for speeding up combustion in the diesel engine
10/25/1988US4779594 Intake system for an internal combustion engine
09/1988
09/22/1988WO1988007128A1 Apparatus and method for increasing power output of an internal combustion engine
09/13/1988US4770139 Engine combustion chamber structure
09/07/1988EP0281015A2 Sickle-shaped swirl-inducing device for the inlet conduit of an internal-combustion engine
09/06/1988US4768487 Internal combustion engine intake passage
08/1988
08/30/1988US4766866 Intake system for engine
08/24/1988EP0279429A2 Two-stroke internal combustion engine with cylinder head valves
08/23/1988US4765294 Intake device for internal combustion engine
08/16/1988US4763624 Combustion engine
08/09/1988US4762102 Intake device of an internal combustion engine
08/02/1988US4760821 Intake spiral device and/or turbulence device for combustion engines
07/1988
07/21/1988DE3800651A1 Two-stroke internal combustion engine with cylinder head valves
07/12/1988US4756281 Method, and a valving arrangement, for improving air-fuel mixing
06/1988
06/07/1988US4748950 Internal combustion engine siamese port type intake system construction with internal ridge structure partially separating helical port and bypass passage
05/1988
05/25/1988EP0268433A1 Method of controlling an air/fuel ratio for an internal combustion engine
05/24/1988US4745890 Engine with fluidic variable swirl port
05/17/1988US4744342 Intake port structure for an internal combustion engine
05/11/1988DE3737766A1 Bore between air feed channel and exhaust gas channel of an internal combustion engine
03/1988
03/23/1988EP0260381A1 Actuating device
03/22/1988US4732118 Two-cycle internal combustion engine
03/22/1988US4732117 Two-cycle internal combustion engine
03/22/1988US4732116 Two-cycle internal combustion engine
03/09/1988EP0091944B1 Multiple concentric intake/exhaust valve system for an internal combustion engine
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