Patents
Patents for F02D 33 - Non-electrical control of delivery of fuel or combustion-air, not otherwise provided for (1,784)
03/1995
03/21/1995US5398655 Manifold referenced returnless fuel system
03/15/1995EP0643210A1 Method for subsequently varying an idling speed
03/07/1995US5394844 Fuel pressure control method and system for direct fuel injection engine
02/1995
02/07/1995US5386723 Device for detecting faulty firing in an internal-combustion engine
01/1995
01/24/1995US5383430 Rotational speed control apparatus for internal combustion engines
12/1994
12/28/1994EP0630442A1 Fuel injection device working according to the solid energy accumulator principal, for internal combustion engines.
12/27/1994US5375467 For a motor vehicle fuel tank
12/22/1994WO1994029582A1 Apparatus and method for automatic transmission system fluid exchange and internal system flushing
12/21/1994EP0629265A1 Fuel injecting device working according to the solid energy accumulator principle, for internal combustion engines.
12/21/1994EP0629264A1 Circuit for controlling an exciting coil of an electromagnetically driven reciprocating piston pump.
11/1994
11/30/1994EP0626037A1 Air fuel ratio control
11/29/1994US5367901 Aircraft analyzer to determine maximum safe altitude for a given batch of fuel
11/08/1994US5361742 Fuel pump manifold
10/1994
10/26/1994EP0621405A1 Fuel injection control apparatus
08/1994
08/23/1994US5339787 Method and apparatus for distributing fuel in a diesel engine
08/23/1994US5339785 Automotive fuel supply apparatus and control valve
08/16/1994US5337708 Apparatus and method for automatic transmission system fluid exchange and internal system flushing
08/11/1994DE4400213A1 Fuel valve device
07/1994
07/27/1994CN1090018A Apparatus and method for automatic transmission system fluid exchange and internal system flushing
07/26/1994US5331939 Transient fueling compensation
07/06/1994EP0604410A1 Fuel filter and separator with bypassable boost pump
05/1994
05/26/1994WO1994011630A1 Starting system for internal combustion engines which can be driven by different fuels
05/24/1994US5313920 Control device for internal combustion engine
05/18/1994EP0597581A1 A fuel tank sender assembly
05/10/1994US5309885 Marine propulsion device including a fuel injected, four-cycle internal combustion engine
05/10/1994US5309883 Method for operating an internal combustion engine
04/1994
04/28/1994DE4236007A1 Four-stroke IC engine starting with air intake control - overrides normal operations of air, fuel and ignition controls in order to secure optimum mixture ratio for ignition
03/1994
03/29/1994US5297578 For a fuel supply system
03/01/1994US5289807 Bypass air-flow control apparatus for an internal combustion engine
02/1994
02/08/1994US5284120 Fuel consumption measuring device
02/08/1994US5284119 Internal combustion engine fuel injection apparatus and system
01/1994
01/12/1994EP0578484A1 Internal combustion engine fuel pickup and reservoir
12/1993
12/23/1993WO1993025869A1 Vertical sweep liquid level sensor
12/22/1993EP0574932A1 Adjustable electronic fuel management system for vehicle engines
12/19/1993CA2098517A1 Adjustable electric fuel management system for vehicle engines
12/07/1993US5267475 Vertical sweep liquid level sensor
11/1993
11/23/1993US5263456 Fuel flow arrangement
11/10/1993EP0568551A1 Device for detecting faulty firing in an internal-combustion engine.
11/02/1993US5257608 Device in a fuel system for an internal combustion engine
10/1993
10/26/1993US5255661 Method for determining fuel composition using oxygen sensor feedback control
10/19/1993US5253628 Internal combustion engine fuel pickup and reservoir
09/1993
09/22/1993CN1076510A Improvements relating to air fuel ratio control
09/16/1993WO1993018297A1 Fuel injecting device working according to the solid energy accumulator principle, for internal combustion engines
09/16/1993WO1993018296A1 Fuel injection device working according to the solid energy accumulator principal, for internal combustion engines
09/16/1993WO1993018290A1 Circuit for controlling an exciting coil of an electromagnetically driven reciprocating piston pump
09/07/1993US5241931 Internal-combustion engine with a carburetor
08/1993
08/24/1993US5237977 Attitude and lateral force activated valve
08/19/1993WO1993016278A1 Air fuel ratio control
06/1993
06/28/1993CA2085186A1 Combination sending unit and fuel draw automatic shutoff valve
06/23/1993EP0547649A1 Method and apparatus for controlling pressure within a predetermined air supply
06/15/1993US5218943 Fuel injection apparatus for internal combustion engine
05/1993
05/26/1993EP0493515B1 Device in a fuel system for an internal combustion engine
05/18/1993US5211193 Annular fuel line fitting
05/05/1993EP0539921A2 Control device for internal combustion engine
04/1993
04/28/1993EP0538321A1 A fuel flow arrangement.
04/27/1993US5205120 Mixture-compressing internal-combustion engine with secondary-air injection and with air-mass metering in the suction pipe
04/13/1993US5201298 Combination sending unit and fuel draw automatic shutoff valve
03/1993
03/30/1993US5197445 Fuel-supply system for an internal combustion engine
03/30/1993US5197443 Fuel system for diesel truck
03/23/1993US5195493 Adjustable electronic fuel management system for vehicle engines
03/02/1993US5190010 Arrangement for regenerating a soot burn-off filter in the exhaust duct of an air-compressing fuel-injected internal-combustion engine
03/02/1993US5190006 Injection arrangement for improving fuel consumption
02/1993
02/16/1993USRE34178 Fuel processor apparatus for diesel powered vehicles
02/04/1993WO1993001874A1 Fuel filter and separator with bypassable boost pump
01/1993
01/26/1993USRE34166 Fuel processor apparatus for diesel engine powered vehicles
01/14/1993DE4121723A1 Four-stroke engine operation with fuel quality fluctuation - using two-branched control loop with throttle flap opening used as expression for optimal combustible mixt.
09/1992
09/29/1992US5150692 System for controlling air supply pressure in a pneumatic direct fuel injected internal combustion engine
09/22/1992US5149433 Interrupting pumping upon changes in pressure differential giving alarm signal; ultrafiltration unit blocking impurities
09/22/1992US5148792 Pressure-responsive fuel delivery system
08/1992
08/06/1992WO1992013183A1 Device for detecting faulty firing in an internal-combustion engine
07/1992
07/29/1992EP0495821A1 An adaptable fuel system.
07/16/1992DE4121320C1 Car fuel tank with accelerator pump - has gas bubble catching or reducing device above accelerator pump
07/08/1992EP0493515A1 Device in a fuel system for an internal combustion engine.
03/1992
03/25/1992CN2099846U Automatic protector for internal-combustion engine
03/19/1992WO1992004535A1 Method of operating an internal-combustion engine
03/17/1992US5095880 Air purging and shut-down system for diesel engines
03/12/1992DE4028443A1 Verfahren zum betreiben einer brennkraftmaschine Method for operating an internal combustion engine
02/1992
02/20/1992DE4104011C1 IC engine control system - uses EGR and low heat conduction inlet manifold with matching of inlet air to injected fuel volume
02/19/1992EP0471068A1 Device for determining fuel througput in an internal-combustion engine
02/11/1992US5086667 Intake system for automobile engine
02/04/1992US5085198 Low pressure fuel supply system for a fuel injection pump
01/1992
01/23/1992WO1992001150A1 A fuel flow arrangement
01/16/1992DE4109538A1 High-economy two=stroke IC engine - with synchronised fuel injection and outlet valve operation
01/14/1992US5080065 Air intake control system for an internal combustion engine
01/08/1992EP0464673A1 Carburettor for an internal combustion engine
10/1991
10/15/1991US5057764 Idling engine speed controlling apparatus for an engine
09/1991
09/19/1991WO1991014091A1 Device for determining fuel througput in an internal-combustion engine
09/19/1991WO1991014089A1 Process for operating an internal combustion engine with fuels of different composition
09/19/1991DE4008372A1 Verfahren zum betrieb einer brennkraftmaschine mit brennstoffen unterschiedlicher zusammensetzung Method for operating an internal combustion engine with fuels of different composition
09/17/1991US5048483 System and method for controlling engine revolutions for vehicular internal combustion engine
08/1991
08/29/1991DE4104903A1 Vehicle fuel tank level measurement arrangement - has tubular casing with semiconductor resistor on rod and float movable w.r.t. resistor
08/20/1991US5040516 Double-tub fuel tank
08/06/1991US5036823 Combination overfill and tilt shutoff valve system for vehicle fuel tank
05/1991
05/30/1991WO1991007582A1 Automotive fuel vaporization system
04/1991
04/18/1991WO1991005159A1 Device in a fuel system for an internal combustion engine
04/17/1991EP0422502A1 Air intake control system for an internal combustion engine
04/04/1991WO1991004406A1 An adaptable fuel system
03/1991
03/07/1991DE3929115A1 Injection system for IC engine - has back pressure valve to return fuel to feed tube between tank and pump
02/1991
02/06/1991EP0411964A1 Low pressure fuel supply system for a fuel injection pump
01/1991
01/15/1991US4984554 Automatic air bleeding device for fuel feed system of diesel engine
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