Patents for F02M 3 - Idling devices for carburettors (1,558)
05/1992
05/27/1992CN2105564U Clutch neutral position oil-saving system for automobile
05/13/1992CN2104308U Aeration valve-group oil-saving unit of automobile
05/06/1992CN2103653U Idle oil-saving carburetor
04/1992
04/22/1992CN2102374U Oil saving device of diesel engine
04/15/1992CN2101767U Forced idling vacuum oil saver for gasoline vehicle
04/15/1992CN2101766U Electromagnetic automatic tracking oil saver
04/07/1992US5101709 Waterproof cover for a pneumatic actuator
04/01/1992CN2100496U Automatic misfire gasoline economizer of gasoline engine
04/01/1992CN2100495U Gasoline-economizing device for gasoline vehicles
03/1992
03/19/1992DE4029526A1 Idling speed control for vehicle engine - has throttle valve stop which is positionally adjusted for cold starting
03/11/1992CN2098560U Downhill fuel economizer of automobile
03/11/1992CN2098559U Safety fuel economize of automobile
03/04/1992CN2097906U Oil-saving unit of gasoline automobile
02/1992
02/19/1992CN2096650U Carburettor for automobile engine
02/11/1992US5087847 Bearing retainer for electromagnetic rotating actuator
02/04/1992US5085248 Flow control device
01/1992
01/29/1992CN2094622U Vacuum air-changing fuel saving device
01/22/1992CN2093907U By-pass air-valve idling economizer
01/21/1992US5081978 Auxiliary air control valve for engines
12/1991
12/18/1991EP0461129A1 Internal combustion engine air supply system
12/17/1991US5073308 Carburetor idle jet venting device
12/10/1991US5070838 Integrated idle air and exhaust gas recirculation system
11/1991
11/28/1991DE4016459A1 Regulating IC engine power in motor vehicle - automatically adjusting to increase power output according to torque
11/27/1991CN2089531U Complex oil saving device of automobile
11/27/1991CN2089530U Fuel saving device of automobile
11/19/1991US5065718 Engine idle control valve
11/14/1991DE4015319A1 IC engine idler control esp. for throttle flap - has two pneumatic motors with interconnected chambers and spring coupled control elements
11/14/1991DE4015318A1 IC engine idle control esp. for throttle flap - contains pneumatic control motor with EM control valve
10/1991
10/31/1991WO1991016536A1 Carburetor for gasoline engines
10/22/1991US5059076 Readjustment preventing structure for adjustment member
10/15/1991US5056484 Regulating device for adjusting a regulating member
10/09/1991EP0450633A1 Idling air amount control apparatus for an automobile
10/08/1991US5055238 Diaphragm carburetor
10/01/1991CA1289827C Carburetor fuel supply control method
09/1991
09/19/1991WO1991014090A1 Governor
09/17/1991US5048483 System and method for controlling engine revolutions for vehicular internal combustion engine
09/12/1991DE4007260A1 Rotating flow control valve
09/11/1991EP0445399A1 Hydraulic control device for the throttle of the internal combustion engine of a vehicle
09/05/1991DE4006728A1 Electropneumatic positioner with two inlets at different pressures - employs two EM valves connecting working chambers to atmos. and vacuum alternately and to each other
08/1991
08/28/1991CN2083636U Low pollution lower suction changeable venturi tube carburettor for gasoline engine
08/27/1991US5042448 Idle air bypass
08/22/1991DE4105322A1 Flow regulator for IC engine air intake system - has operating shaft supporting two valve elements controlled by single setting motor
08/21/1991CN2083199U Automotive idling fuel-economizer
08/20/1991US5040507 Method and device for variable idle speed control of an internal combustion engine
08/13/1991US5040117 Automatically adjusting the emissions from an idling engine
08/08/1991DE4003273A1 Two=part housing, e.g. for engine idling air demand controller - has collar forming shape-locking joint with cross-matched region of second part
08/07/1991CN2082315U Changeble venturi carburator of low-pollution side draught type for motorbicycle
08/06/1991US5036816 Load adjustment device
07/1991
07/31/1991CN2081895U 真空电磁阀 Vacuum solenoid valve
07/31/1991CN2081894U Forced-driving idling oil economizer
07/31/1991CN2081893U Oil-saving auxiliary for electromagnetic oil feed of motor
07/31/1991CN2081892U Device for controlling oil circuit of motor in coasting
07/25/1991WO1991010827A1 Idle air bypass
07/23/1991US5034163 Modular side-draft carburetor
06/1991
06/20/1991DE4019750A1 EM rotary positioner esp. for CI engine throttle - incorporates radially resilient ring in internal opening of brushless motor with baseplate surrounding stator
05/1991
05/29/1991CN2077907U Fuel saving devices for engines
05/28/1991US5018495 Automatic idle speed circuitry
04/1991
04/24/1991CN2075702U Forced speed reducing oil saving device for automobile
04/16/1991US5007396 Throttle valve adjustment construction, throttle valve adjustment unit therefor and methods of making the same
04/11/1991DE4030721A1 Disconnection of fuel supply from idling combustion engine - involves delayed closure of electromagnetic valve with pressure-equalising channel and grooves in body and bushing
04/09/1991US5005546 Setting device for a feed device of an internal combustion engine
04/09/1991US5005545 Flow regulator
03/1991
03/26/1991US5002705 Single controller adjusts fuel/air ratios; internal combustion engines
03/19/1991US5000130 Intake system for multi cylinder engine
03/14/1991DE3929836A1 IC engine carburettor system - has idling adjustment screw acting on tip of symmetrical tapered throttle body
03/14/1991DE3929025A1 Carburettor with independent idling system - has air volume regulating screw with tip projecting into nozzle
03/07/1991WO1991002894A1 Electromagnetic rotary actuator
03/07/1991WO1991002893A1 Idle running rotary actuator
02/1991
02/27/1991CN2072157U Hand controlled multifunction oil saving pump
02/21/1991WO1991002367A1 Electrical governor
02/20/1991EP0348432B1 Device for controlling at least one throttle cross-section at at least one control opening
02/20/1991CN2071708U Electric control idling fuel economizer for car
02/13/1991CN2071257U Oil saving device for carburetor of gasoline vehicle
02/12/1991US4991552 Throttle valve setting device
02/06/1991EP0411469A1 Electromagnetic actuator
02/06/1991CN2070827U Safety oil saving valve
02/06/1991CN1049048A Energy-saving hook for car
02/05/1991US4989564 Idle air bypass
01/1991
01/22/1991US4986236 Internal combustion engine
01/16/1991CN2069486U Idling gasoline-economizing and contamination reduction throttle valve
01/15/1991US4984766 Flow-control valve
01/15/1991US4984542 Thermal throttle actuator
01/10/1991DE3921574A1 Carburettor for IC engine with forward throttle valve - located eccentrically in suction duct which, with starting unit, moves against starting spring pressure by air flow and pneumatic adjuster
01/09/1991CN2069027U Automobiel oil-saving carburettors
01/08/1991US4982711 Apparatus for actuating a throttle valve in internal combustion engines
01/02/1991CN2068588U Idling measuring hole structure of motorcycle gasoline engine
12/1990
12/25/1990US4979484 Device for controlling at least one throttle cross-section at least one control orifice
12/19/1990EP0358650B1 Device for controlling at least one throttle cross-section of at least one control opening
12/18/1990US4977878 Carburetor idler assist system
12/13/1990WO1990015238A1 A circuit arrangement for reducing the fuel comsumption and the emission of polluting materials of i.c.e. driven vehicles
12/11/1990US4976237 Engine air intake valve
12/06/1990DE3942532A1 EM actuator controlling pneumatic diaphragm actuator - has linear actuator to displace valve controlling pressure in pneumatic actuator chamber
12/05/1990CN2066898U Double control automatic forced oil saving device
11/1990
11/21/1990CN2066074U Automobile intelligence oil-saving unit
11/20/1990US4971004 Deceleration enrichener system
11/15/1990DE3915242A1 Electromagnetically operated valve for IC engine - has return spring with two rates operating against flow control poppet
10/1990
10/30/1990US4966122 Bypass throttle control for a motor vehicle
10/30/1990US4966112 Method for adjusting idling RPM of engine
10/25/1990DE3913358A1 IC engine operating on gaseous fuel - has device to control flow of air and gas to suit engine load
10/24/1990EP0393249A1 Air intake system for a multicylinder combustion engine
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