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Class 123/455 - Distributor and metering unit are in common housing


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein the distributor that directs the
No. of patents: 47
Last issue date: 10/26/2010


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NumberTitleIssue Date
RE41860Cold start engine control apparatus and method
An apparatus for reducing noxious gases in the exhaust emissions of an automobile is disclosed. During engine cold start, a cold start injector having a heater downstream of the injector outlet vaporizes fuel so that a leaner air-fuel mixture can be used, thereby re...
10/26/2010
7290564Solenoid valve
A guide boss is provided in a diaphragm blocking the halfway portion of a channel; a valve disk is formed in the shape of a cylinder; the inner face of this cylinder-shaped valve disk is slidably engaged around the guide boss; and further, a valve port consisting of...
11/06/2007
7188609Fuel delivery pipe
An inlet port 16 communicating with the interior of a fuel delivery pipe body 10 to introduce fuel is made open in a center of a tubular joint 11 having a smaller diameter than an inside diameter of a holder portion 15 of an injector 3...
03/13/2007
7156077Fuel system for internal combustion engine
A fuel system for an internal combustion engine uses a fuel pump having an internally mounted pressure-responsive buffer which increases the volume available for fuel within the pump's discharge port upon shutdown of the pump, so as to assist in the mitigation of fu...
01/02/2007
6443130Fuel demand regulator
A fuel regulator is provided for regulating the supply of fuel to a multi-cylinder engine. The regulator includes a regulator body defining a holding chamber connectable to a fuel source; a first supply chamber connectable to a first cylinder of the multi...
09/03/2002
6065451Bypass valve with constant force-versus-position actuator
A control arrangement for a fuel system having a fuel pump (13) for supplying fuel through a variable orifice flow metering valve (15) to an engine main fuel control (45), the control (45) controlling the fuel pressure differential across the orifice of t...
05/23/2000
5979408Fuel injection system
A fuel injection system (10) for a multiple-cylinder engine includes a single solenoid-operated fuel metering valve (12) connected through fuel lines (50) to a plurality of fuel injection nozzles (52). The fuel metering valve (12) has a solenoid-operated ...
11/09/1999
5299919Fuel injector system
A high pressure fuel injector system including a high pressure fuel pump useable with a pressure booster, a pressure stabilizer with a high speed tandem actuated distributor and a fuel having a fuel injector with high pressure fuel admisstion passages and...
04/05/1994
4941447Metering valve
A metering valve, simultaneously controlling a plurality of flow paths with a single poppet movable into and out of engagement with a valve seat in a duty cycle operation has the sealing surfaces of the poppet and seat formed with an accurately flat surfa...
07/17/1990
4742685Fuel distributing and metering assembly
The fuel distributing and metering assembly provides separate multiple metered fuel flows from a common fuel reservoir by including a rotary valve having multiple valve metering slots for generating separate multiple fuel flows, a valve seat having multip...
05/10/1988
4552114Apparatus for controlling the number of operative cylinders of a diesel engine
To improve the operating efficiency of a diesel engine, a plurality of engine operating parameters are detected and the engine cylinders to which the fuel supply is to be cut off are computed in accordance with the operating parameters, thereby stopping t...
11/12/1985
4549515Fuel injection system
A fuel injection system for internal combustion engines which has a metering valve disposed in a fuel supply line, in which adjusting characteristics for controlling the metering valve are strictly linear, thereby enabling a predictable, flexible fuel met...
10/29/1985
4421089Fuel metering apparatus
A fuel/air ratio control apparatus for a reciprocating engine used in light aircraft including a fuel metering apparatus (32) and an electronic fuel/air ratio control (39). The control (39) generates an electrical signal (Wf/Wa) indicative of a desired fu...
12/20/1983
4403588Fuel injection system for Otto engines
A fuel injection system for an Otto engine having a mixture-control unit provided with an air flow sensor and a fuel distributor. The fuel injection system may be switched from service with a gasoline-operated engine to service with a gas-operated engine ...
09/13/1983
4395986Fuel injection apparatus
A fuel injection apparatus is proposed for internal combustion engines with distributor and apportionment valves, which serves to apportion a quantity of fuel proportional to the induced air quantity. The distributor and apportionment valves of the fuel i...
08/02/1983
4383513Fuel injection system
A fuel injection system is proposed which can be triggered such that when control signals characterizing engine overrunning are present, fuel injection is interrupted. To this end a pressure relief valve is provided, which opens in the presence of control...
05/17/1983
4364362Metering and distribution valve assembly
A metering and distribution valve assembly is proposed for a fuel injection system of an internal combustion engine. The metering and distribution valve assembly includes a control slide having a head 68 and a control edge and a slotted sleeve with at lea...
12/21/1982
4286562Engine charge forming apparatus
An engine charge forming device controls the fuel metering orifice area in proportion to the throttled air flow area of the induction passage and controls the pressure drop across the fuel metering orifice in proportion to a vacuum signal which is substan...
09/01/1981
4266571Fuel metering valve
A fuel metering valve for fuel injection to an internal combustion engine, comprising a rotary valve piston movable in a valve cylinder and having a spiral groove cooperating with a number of spaced valve ports in the cylinder, each port of triangular cro...
05/12/1981
4240391Fuel supply control device for fuel injected internal combustion engine
Constant differential pressure valves, one for each cylinder of the engine, supply liquid fuel to the injection nozzles. The liquid fuel supplied to the valves is delivered from a chamber within a metering member mounted to turn within the bore of a stati...
12/23/1980
4227501Fuel injection apparatus
A fuel injection apparatus is proposed for mixture-compressing, externally ignited internal combustion engines which provides continuous injection into the intake manifold. An air flow rate member and an arbitrarily actuatable throttle valve are disposed ...
10/14/1980
4227500Fuel injection apparatus
A fuel injection apparatus is proposed for mixture-compressing, externally ignited internal combustion engines which serves to apportion a quantity of fuel corresponding to the aspirated air quantity and to effect good preparation of the fuel-air mixture....
10/14/1980
4205636Apparatus for controlling the air fuel mixture of an internal combustion engine
A fuel feeding apparatus for internal combustion engines comprises an area type air flow rate measuring section in which the air flow rate is dependent on the displacement of an air flow rate detecting valve, and a fuel flow rate measuring and distributin...
06/03/1980
4195659Tension control for a valve
A diaphragm valve which may serve as an equal pressure valve or as a pressure equalizing valve of a fuel metering and distributing unit for an externally ignited internal combustion engine. The valve has a flexible diaphragm the diameter of which is clamp...
04/01/1980
4184466Linear displacement flow rate meter
A flow rate meter for gaseous media has a pivotable member rotating about a shaft in a conduit carrying the medium. The force of the flowing medium pivots the member against a restoring force. The constriction of the stream generates a counter force which...
01/22/1980
4174692Fuel injection device
A fuel injection device for mixture compressing, externally ignited internal combustion engines, which serves to meter the fuel proportional to the intake air and aspirates the air-fuel mixture. The fuel injection device includes an air flow rate meter lo...
11/20/1979
4170975Fuel metering valve assembly for internal combustion engines
A fuel metering valve assembly includes an air flow metering member which actuates the movable part of a fuel metering valve. Depending on the displacement of this movable part, two cooperating openings, a control slot and a shaped control orifice, togeth...
10/16/1979
4170204Fuel injection system
A fuel injection system is provided for a mixture-compressing spark-ignition internal combustion engine having continuous fuel injection into the engine intake manifold, and an adjustable throttle valve in the manifold. A flow sensing element in the intak...
10/09/1979
4161932Fuel injection system
A fuel injection system for externally ignited internal combustion engines including a device for injecting fuel into an air stream and an air measuring device comprising a valve having an airfoil portion. The air measuring valve is pivotably mounted with...
07/24/1979
4161935Fuel injection system for an internal combustion engine
A continuous fuel injection system for metering out fuel to the induction tube of an internal combustion engine. An air flow metering assembly in the induction tube includes a baffle plate which is set with its plane perpendicular to the air flow vector a...
07/24/1979
4154203Fuel injection system
A pivoting member, especially the air flow rate meter of an internal combustion engine is disposed in a hub which surrounds a locally fixed shaft and is positioned in the induction tube upstream of the throttle valve. The shaft is received in a plurally p...
05/15/1979
4154202Fuel quantity distributor
A fuel quantity distributor in which a continuously operating suction pipe injection device is provided with differential pressure valves corresponding to the number of cylinders arranged about the metering unit. The valves maintain the pressure differenc...
05/15/1979
4132195Method and apparatus for fuel mixture control
The fuel mixture ratio of an internal combustion engine is adjusted by metering out a fuel quantity in relation to the air flow rate through the induction tube. The air flow rate is measured indirectly by monitoring the engine speed (rpm) with an electric...
01/02/1979
4112900Fuel injection system
A fuel injection system for externally ignited internal combustion engines in which a fuel metering and distributing valve is controlled by an air sensing element disposed in the air suction tube of the engine and by structure which is adapted to alter th...
09/12/1978
4075995Fuel injection system
A fuel injection system for internal combustion engines includes an airflow measuring member which actuates a fuel metering valve assembly. The pressure drop across this valve assembly may be changed by changing the restoring force on the movable control ...
02/28/1978
4064847Fuel injection system for internal combustion engines
A fuel injection system for internal combustion engines in which fuel is metered out on the basis of the relative rotation of an air flow rate metering flap in the induction tube to a location upstream of the throttle valve. In order to prevent fuel conde...
12/27/1977
4064843Fuel metering and injection system for internal combustion engines
A fuel preparation system for an internal combustion engine employs an induction tube air flap which is shaped so as to be subject to aerodynamic lift forces when the air flow has caused a substantial displacement of the flap. In addition, the wall of the...
12/27/1977
3993033Fuel quantity distributor for multicylinder combustion engine
A fuel quantity distributor for use in conjunction with multicylinder combustion engines, in which two concentric, radially adjacent metering elements have metering inlet channels. The metering elements are rotatable relative to one another, and the edges...
11/23/1976
3981288Apparatus for reducing the toxic components in the exhaust gas of internal combustion engines
A fuel supply and metering valve assembly used for injection of fuel to an internal combustion engine includes a control pressure circuit which determines the restoring force on the movable member of the fuel metering valve. The magnitude of the control p...
09/21/1976
3974809Fuel injection system for spark plug-ignited internal combustion engines with compression of the air-fuel mixture
What follows is a description of a fuel injection system for spark plug-ignited internal combustion engines with compression of the air-fuel mixture and structure for controlling the system pressure. The system is one which includes a device for regulatin...
08/17/1976
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