Patents
Patents for F02D 33 - Non-electrical control of delivery of fuel or combustion-air, not otherwise provided for (1,784)
01/1991
01/01/1991US4981584 Apparatus for detecting and eliminating air and water from fuel in internal combustion engines
12/1990
12/04/1990CA1277192C Double air-fuel ratio sensor system having improved response characteristics
11/1990
11/27/1990US4972821 Automotive fuel vaporization system for better fuel economy and environmental quality having fire retarding properties
11/20/1990CA1276678C Oxygen-sensing element
10/1990
10/17/1990EP0392187A1 Control device for shutting down a diesel internal combustion engine
09/1990
09/20/1990DE4002433A1 Kraftstoffzufuhrsystem fuer eine brennkraftmaschine Fuel supply system for an internal combustion engine
09/17/1990CA2010029A1 Pressure-responsive fuel delivery system
08/1990
08/30/1990DE3923369C1 Fuel supply unit for IC engine - has control valve taking fuel from return line to supply line if fuel temp. and pressure simultaneously fall below thresholds
08/28/1990US4951636 Constant pressure-differential fuel injection system
06/1990
06/21/1990DE3940494A1 Kraftstoffsystem Fuel system
06/05/1990US4930537 Vehicle multiple-tank fuel system
05/1990
05/22/1990US4926829 For an internal combustion engine
04/1990
04/03/1990US4913110 Bypass electronic emergency fuel system
02/1990
02/06/1990US4898140 Devices for eliminating water from diesel oil supplying a diesel engine
02/01/1990DE3825470A1 Fuel supply device provided for an internal combustion engine
11/1989
11/14/1989CA1262871A1 Filter block mounted fuel processor apparatus
10/1989
10/18/1989EP0337861A1 Device for removing water from gasoil for a diesel engine
09/1989
09/26/1989US4870392 Fluid flow restriction warning indicator
09/19/1989US4867126 System for suppressing discharge of evaporated fuel gas for internal combustion engine
08/1989
08/23/1989EP0328606A1 Coupling piece for insertion in an opening of a container
07/1989
07/25/1989US4850327 Device for improving the feed of diesel engines at low temperatures
06/1989
06/14/1989EP0319597A1 Device for the improvement of cold running of diesel engines
06/13/1989US4839018 Air/fuel ratio detector
06/06/1989US4836164 Engine speed control system for an automotive engine
06/06/1989CA1255170A1 Purge and prime fuel delivery system and method
05/1989
05/16/1989US4830212 Working machine
03/1989
03/16/1989DE3728413A1 An einer oeffnung eines behaelters anzubringende verschraubung At an opening of a container is affixed gland
03/14/1989US4811718 Fuel supply system for internal combustion engine
03/09/1989WO1989001879A1 Coupling piece for insertion in an opening of a container
01/1989
01/24/1989CA1249358A1 Double air-fuel ratio sensor system having improved response characteristics
01/10/1989US4796587 Air/fuel ratio control system for internal combustion engine
12/1988
12/06/1988US4789098 System for heating vehicular operator space and engine fuel, and for separating moisture therefrom
12/06/1988CA1246186A1 Double air-fuel ratio sensor system having double- skip function
11/1988
11/29/1988CA1245569A1 Drain system for fuel processor apparatus
11/22/1988US4785786 Fuel injection system for internal combustion engine
11/17/1988WO1988008796A1 Security blocking system for preventing unauthorized use of fuel engine equipments, in particular of motor-vehicles
11/15/1988US4784104 Fuel line with integral co-axial return line
11/02/1988EP0289210A2 Pressure control for the fuel system of an internal combustion engine
10/1988
10/19/1988EP0287435A1 Device for improving the fuel supply at low temperature of diesel engines
09/1988
09/13/1988US4770758 Air/fuel ratio detector
09/13/1988CA1242017A1 Heater and water probe
08/1988
08/25/1988DE3803745A1 Machine
08/16/1988US4763684 Gas separation valve assembly for a diesel motor system equipped for measuring fuel consumption
08/16/1988US4763621 Automatically functioning emergency fuel supply system for internal combustion engine
07/1988
07/26/1988US4759334 Method and device for feeding fuel in a fuel system
07/12/1988US4756291 Pressure control for the fuel system of an internal combustion engine
06/1988
06/30/1988DE3717342C1 Low-pressure fuel circuit for an injection-type internal combustion engine with air compression
05/1988
05/31/1988US4747429 Emergency fuel transfer accessory
05/17/1988US4744247 Device for electrical measurement of the level of a liquid in a fuel tank
05/10/1988US4742807 Electronic control device for internal combustion engine
05/03/1988US4741817 Electrochemical sensor for the concentration of aspects in a fluid mixture and system for regulating the richness of an air-fuel mixture utilizing such a sensor
04/1988
04/26/1988US4740288 Electric signal indicating oxygen content; exhaust gases from automobiles
04/21/1988DE3734065A1 Verfahren und vorrichtung zur steuerung der kraftstoffzufuhr zu einer brennkraftmaschine A method and apparatus for controlling the fuel supply to an internal combustion engine
04/20/1988EP0264286A1 Engine speed control system for an automotive engine
03/1988
03/23/1988EP0261095A2 Detector and neutralizer apparatus of air and water in the fuel inside internal-combustion engines
02/1988
02/23/1988US4726335 Method of and device for safeguarding operation of an internal combustion engine
02/16/1988US4724860 Float controlled valve assembly
02/04/1988DE3626193A1 Fuel system for a motor vehicle
01/1988
01/26/1988US4720973 In an internal combustion engine
01/12/1988CA1231278A1 Fuel system
12/1987
12/29/1987US4715345 Automatic fuel shut off system for fuel-injected engines
12/29/1987US4715179 Filtering, burning collected particles
12/15/1987US4712373 Double air-fuel ratio sensor system having improved response characteristics
11/1987
11/17/1987US4706636 Method of preventing fuel clogging
11/03/1987US4703619 Double air-fuel ratio sensor system having improved response characteristics
10/1987
10/27/1987US4702215 Fuel inlet assembly for a carburetor
10/20/1987US4700676 Intake control device
10/20/1987US4700666 Induction system for internal combustion engine
10/07/1987EP0239788A2 Gas separator
09/1987
09/30/1987EP0239448A1 Liquid fuel draining and gauging device for a motor vehicle tank
07/1987
07/29/1987EP0229945A1 Probe comprising an exchangeable measure unit
07/14/1987US4680110 For replacing existing fuel filters of diesel machines
06/1987
06/30/1987US4676213 Engine air-fuel ratio control apparatus
06/10/1987EP0225260A1 Device for regulating the fuel temperature in internal-combustion engines and fuel burners
05/1987
05/26/1987US4668477 Gas sensor
04/1987
04/07/1987US4655892 Oxygen sensor and process for producing same
04/01/1987EP0216071A1 Method and device for controlling the idle speed of internal combustion engines
03/1987
03/26/1987WO1987001766A1 Engine fuel supply system
02/1987
02/17/1987US4643151 Fuel control apparatus for an internal combustion engine
02/10/1987US4641622 Apparatus for throttle valve control
01/1987
01/20/1987US4637364 Method for controlling air-fuel ratio for internal combustion engine and apparatus therefor
01/06/1987US4633843 Carburetor arrangement for an internal combustion engine
12/1986
12/23/1986CA1215601A1 Carburetor arrangement for an internal combustion engine
12/17/1986EP0204981A2 Method for the safe operation of an internal-combustion engine
12/10/1986EP0203941A1 Water detector for fuel systems and method for detecting water in same
12/02/1986US4625701 Fuel system
12/02/1986US4625693 Internal combustion engine
10/1986
10/21/1986US4618423 Disposable fuel filter/water separator element
10/15/1986EP0197401A2 Float-actuated valve
10/14/1986US4616621 Method of air-fuel ratio control of internal combustion engines of automobiles
10/14/1986US4616614 System for regulating the idle speed of an internal combustion engine
09/1986
09/30/1986US4614174 Fuel control means for engine intake systems
09/23/1986US4612903 Induction system for internal combustion engine having multiple inlet valves
09/09/1986US4610236 Fuel supply control for a dual induction type engine intake system
08/1986
08/05/1986CA1208998A1 Diesel fuel control apparatus and system
07/1986
07/30/1986EP0189314A2 Apparatus and method for pulsation damping and flow measurement in liquid fuel system
07/29/1986US4602605 Entering fuel injection system of a diesel engine
07/29/1986US4602599 Emergency fuel priming and supply system for engines
07/29/1986CA1208570A1 Filter separator with heater
07/16/1986EP0187654A2 A fuel control apparatus for an internal combustion engine
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