Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02M - Supplying combustion engines in general with combustible mixtures or constituents thereof › F02M 3 - Idling devices for carburettors
Patents for F02M 3 - Idling devices for carburettors (1,558)
10/1990
10/24/1990CN2064420U Carburettor type purificating and fuel saving device of engine idling
10/23/1990US4965023 Carburetor having bidirectional fuel passage
10/17/1990EP0392057A1 Admission flow regulator for a motor vehicle
10/17/1990CN2063984U Annular recess sequential sucktion valve dual strangler economizer
10/16/1990US4962737 Device for controlling at least one throttle cross-section at a control opening
10/10/1990EP0390961A1 Positioning device for a throttle valve
10/10/1990CN2063579U Electrically controlled fuel economizer for automobile going downhill
10/02/1990US4960545 Device for feeding a carburation engine in special operating conditions
09/1990
09/26/1990EP0388505A2 Load control apparatus
09/12/1990CN2061977U Air-changing energy-saving device for carburettor
09/11/1990US4955342 Idle revolution number control apparatus for carbureter
08/1990
08/18/1990WO1990009516A1 Internal combustion engine air supply system
08/16/1990DE4001669A1 Control adjusting position settings e.g. of IC engine throttle - has retard device locking in position of adjusting drive appts.
08/15/1990CN2060477U Carburettor
08/14/1990US4947890 For a throttle bypass passage of an internal combustion engine
08/14/1990CA1272646A1 Automotive engine idle speed control device
08/08/1990EP0380561A1 Throttle assembly
08/07/1990US4946631 Carburetor
08/02/1990DE4002803A1 IC engine idle speed control appts. - has idle speed normally controlled within set dead-band, whilst during service, speed is controlled manually
08/01/1990EP0379632A1 Metering device for a combustion engine
07/1990
07/31/1990US4944267 Electropneumatic displacement device for a throttle valve of an internal combustion engine
07/17/1990CA1271674A1 Carburetor with self seating needle valve
07/10/1990US4940031 Setting device for a feed device of an internal combustion engine
06/1990
06/27/1990EP0374354A2 Positioning device for an admission device of an internal-combustion engine
06/21/1990DE3939824A1 Engine carburettor miniumum-speed system - incorporates filter cartridge with centring device in fuel-feed passage
06/21/1990DE3842397A1 Device for interrupting the adhesion between two components
06/13/1990CN2058209U Automobile fuel filtering and economizing device
06/05/1990US4931226 Charge forming apparatus
05/1990
05/23/1990CN2057464U Autocontrol type idling-forcing fuel economizer
05/22/1990US4926651 Control apparatus for automobile air-conditioners
05/17/1990DE3838550A1 Throttle valve adjuster
04/1990
04/25/1990EP0364898A2 Flow-control valve
04/11/1990EP0363010A1 Engine control device
04/11/1990CN2055868U Carburetor
04/04/1990EP0361846A2 An idling engine speed control valve and a method of improving charateristics thereof
04/04/1990EP0361599A2 Set for feeding a mixture-compressing engine during particular stages of functioning
04/03/1990US4913114 Governing apparatus for the idling rpm of an internal combustion engine
03/1990
03/29/1990DE3832536A1 Idle-speed control for a spark ignition engine
03/21/1990EP0358650A1 Device for controlling at least one throttle cross-section of at least one control opening.
03/21/1990CN2054833U Economizer of automobile when going downhill
03/21/1990CN2054832U Forced deceleration economizer for gasoline motor of motor vehicles
03/21/1990CN2054831U Economizer of gasoline automobile when forced deceleration
03/20/1990US4909475 Electromagnetic air control valve for an internal combustion engine fuel supply device
03/14/1990CN2054489U Oil level-changeable saving device for vehicle carburetor
02/1990
02/28/1990CN1040080A Vehicle economizer
02/27/1990US4904136 Thread securing device using adhesive
02/27/1990US4903659 Carburetor controlling apparatus for combustion engine
02/27/1990US4903655 Membrane fuel pump with pulse dampener
02/21/1990CN2053247U Early vacuum shutoff device for idling of gasoline engine
02/20/1990US4902448 Cam and idle speed adjustment
02/14/1990CN2052817U Automobile fuel saving device
02/13/1990US4899708 Vacuum-generating device
02/07/1990CN2052437U Piston save oil device for automobile slide
01/1990
01/23/1990US4895344 Electric control motor
01/17/1990CN2051284U Multifunctional safety fuel-saving device of petrol automobile
01/03/1990EP0348432A1 Device for controlling at least one throttle cross-section at at least one control opening.
12/1989
12/27/1989CN2050082U 磁悬节油阀 Magnetic suspension fuel valve
12/27/1989CN2050079U Magnetic valve front-mounted air oil-saving unit
12/20/1989EP0346797A2 Two-stroke combustion engine with a carburettor
12/14/1989DE3819661A1 Diaphragm-type carburettor
12/12/1989US4886025 Idling speed control system for an electronic-injection internal combustion engine
12/06/1989EP0344780A2 Intake control device for engine
11/1989
11/28/1989US4884207 Start controller for engine
11/22/1989CN2048115U Carburettor
11/08/1989CN1037013A Self-combustion operation control and oil-saver during sliding for gasoline engine
10/1989
10/25/1989CN2046550U Forced idling gasoline economizer
10/24/1989US4875456 Self-diagnosis system for auxiliary air control system of internal combustion engine
10/24/1989US4875446 System and method for controlling an engine idling speed for an internal combustion engine
10/17/1989US4873955 Idle air flow shutoff valve
10/17/1989US4873954 Fail-safe idle bypass system
10/03/1989US4870944 Auxiliary air control valve for engine
09/1989
09/26/1989CA1260781A1 Vacuum operated idle speed control device
08/1989
08/31/1989DE3903529A1 Device for regulating and/or controlling the fresh-air intake cross-section of a fuel-injected internal combustion engine
08/30/1989CN2043671U Synthetic gasoline-economizer for vehicles
08/29/1989US4861522 Carburetor for an internal combustion engine
08/16/1989CN2042888U Idling air making-up purifier for saving fuel
08/02/1989CN1034410A Automatic oil-saving system for automobiles at neutral gear
08/01/1989US4853160 Apparatus for adjusting a variable length valve member for a needle valve
07/1989
07/19/1989CN2041364U Automatic gasoline saving device for automobiles
07/13/1989DE3842466A1 Vergaser mit elektrischer leerlaufregelung Carburetor with electric idle control
07/13/1989DE3800087A1 Device with a port for a fuel-air mixture flow or an air flow and with a throttle valve arranged in the port
07/05/1989EP0322850A1 Electromagnetic air control valve for an internal combustion engine fuel supply device
06/1989
06/20/1989US4841447 System for controlling idling speed in internal combustion engine for vehicle with automatic transmission
06/20/1989US4840159 Apparatus from controlling amount of intake air to engine
06/14/1989CN2039354U Safe oil saver of vehicle
06/13/1989US4838224 Method and apparatus for control of engine idling circuit
06/06/1989USRE32938 Dual fuel system for internal combustion engine
06/06/1989US4836163 Throttle-butterfly connector piece for an internal combustion engine
05/1989
05/23/1989CA1254460A1 Deceleration enrichment fuel system for an internal combustion engine
05/18/1989DE3835512A1 Power control system
05/17/1989CN2037777U Open-close device for oil path in an automobile
05/16/1989US4829960 Engine idle control system for internal combustion engine
05/09/1989US4827884 Throttle assembly
05/03/1989CN2036999U Device for stabilizing and adjusting fuel level and fuel-saving during forced idling
05/02/1989CA1253410A1 Apparatus for adjusting specific volume of intake air for engine
04/1989
04/26/1989CN1032572A Idle control valve for use with throttle assembly of internal combustion engine
04/25/1989US4823750 Automotive engine idle speed control device
04/12/1989CN2035798U Gasoline flow controller for automobile
04/06/1989WO1989002981A1 Throttle assembly
03/1989
03/23/1989WO1989002525A1 Idle control valve for use with a throttle assembly of an internal combustion engine
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