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Class 123/462 - By throttle control


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter including means to adjust fuel pressure in
No. of patents: 41
Last issue date: 04/01/2008


1    
NumberTitleIssue Date
7351179Stepper motor driven proportional actuator
A low energy stepper motor driven actuator that eliminates the need for a position sensor is provided. The stepper motor rotates a cam in a control piston valve. The cam rotation increases the gap between the cam and nozzle on one side of the cam and decreases the g...
04/01/2008
7327045Fuel delivery system and method providing regulated electrical output
In a mobile fuel delivery vehicle, providing bulk aircraft fuel from a pressurized fuel reservoir to an aircraft, a method of regulating electrical output of an electrical power source, includes the steps of: (a) receiving, in a fluid path, the bulk aircraft fuel fr...
02/05/2008
7040293Fuel injection system
A fuel injection system (10) with reduced pressure pulsations in the fuel discharge paths from the injectors is disclosed. A high-pressure fuel accumulated in a common rail is injected by a plurality of the injectors. Each injector includes a high-pressure ch...
05/09/2006
6626154Fuel injection control for engine
A fuel injection control for an engine includes an improved construction that can hold an accurate atmospheric pressure data during and after starting of the engine. The engine includes an air intake passage. A throttle valve is moveably disposed within t...
09/30/2003
6470857Flow amount control device
In a flow amount control device which control flow amount of fuel to be supplied to a high pressure fuel pump, an opening, which communicates with a port for passing fuel to the high pressure fuel pump, is composed of a first rectangular opening, a second...
10/29/2002
6170466Quantity control valve for a fuel injection system
The invention relates to a quantity control valve for a fuel injection system, used in internal combustion engines, which includes a longitudinal slide that is movable in a valve housing between a first and a second control chamber and that allocates the ...
01/09/2001
5865157Cam actuated fuel distributor
A fuel distributor for delivering fuel under pressure to cylinders of an engine. The distributor includes a housing, an inlet for delivering fuel under pressure to the housing, a plurality of outlets in the housing and a valve assembly mounted in each out...
02/02/1999
5701873Control device for a filling-ratio adjusting pump
A control device for a filling-ratio adjusting pump with at least one displacement space works on the suction-throttle principle with a positive variation in volume of the displacement space or displacement spaces and is intended inter alia particularly f...
12/30/1997
5479899Fuel management system
A fuel management system for small internal combustion engines in which metered quantities of fuel are delivered by way of a variable volume, positive displacement pump to a fuel air mixing chamber in pulses timed with the rotation of the engine....
01/02/1996
5341785Fuel delivery system for internal combustion engines
A fuel delivery system for internal combustion engines that includes a source of fuel under pressure, fuel lines for feeding fuel to the individual cylinders of the engine, and a distributor for metering fuel under pressure from the source to the individu...
08/30/1994
5197441Fuel injection pumping apparatus
A fuel pumping apparatus for supplying fuel to an internal combustion engine has an injection pump supplied with fuel by a low pressure feed pump through an adjustable throttle. A fluid pressure operable piston is movable against the action of a spring to...
03/30/1993
5092299Air fuel control for a PT fuel system
An air fuel control system for an internal combustion engine is disclosed. The control system includes an air pressure responsive device for modulating mechanically the flow of fuel into the engine in response to the pressure of air within the intake mani...
03/03/1992
5027783Carburetor for an internal combustion engine
Both a system for an method for feeding gasoline fuel into a gasoline internal combustion engine are disclosed herein. This system and method is suitable for use after an internal combustion engine has been started and warmed to normal operating temperatu...
07/02/1991
4989571Fuel injection pump for internal combustion engines
A fuel injection pump for internal combustion engines having housing with a plurality of in-line pump elements including pump cylinders, surrounded by separate suction chambers and communicating with them by means of overflow openings, having two primary ...
02/05/1991
4984547Fuel injection system for injection carburetors
The fuel injection system for injection carburetors is provided with an air section of regulator and a fuel section of regulator which are arranged opposedly to each other on both the sides of a suction tube, and a connecting member equipped with a fuel i...
01/15/1991
4733640Fuel injection pump
A fuel injection pump for internal combustion engines is described, which for controlling fuel quantity is provided with control unit that controls an electric final control element, which in turn actuates the regulating member that determines the fuel in...
03/29/1988
4694804Fuel injection apparatus for automobile
A fuel injection adapter for a vehicle having a carburetor includes a fuel chamber coupled to the fuel pump of the vehicle, an operating lever adapted for coupling to the throttle lever of the vehicle and a pair of nozzles positioned in the throat of the ...
09/22/1987
4664084Fuel metering system
A device for metering pressurized fuel from a fuel pump and to an engine. The device includes a housing having a fuel inlet port connected to the fuel pump, a fuel outlet port connected to the engine and a fuel return port connected to the fuel tank. A va...
05/12/1987
4660523Piezoelectric control block
A piezoelectric control block, particularly for controlling a fuel injection device for a combustion engine, preferably diesel engine, with a distributor injecting pipe, has an adjustable fuel quantity adjusting member, and a longitudinally extending mech...
04/28/1987
4520763Fuel injection system
Discloses a fuel injection system for the timed introduction of a gaseous fuel such as hydrogen gas into a combustion volume of an internal combustion engine. The system comprises (a) a chamber of fixed volume into which, at one time, gas flows from a fue...
06/04/1985
4474158Liquid fuel pumping apparatus
A liquid fuel pumping apparatus for supplying fuel to an internal combustion engine includes a high pressure pump 10 having an outlet 13 for connection in use to an injection nozzle. Fuel is supplied by a low pressure pump to the high pressure pump and th...
10/02/1984
4469070Fuel control valve
A fuel control valve for limiting the flow of fuel to an internal combustion engine having fuel injector means. A fuel control valve has a series of orifices in a fuel control block and a cam located in the block and communicating with a fuel pump for an ...
09/04/1984
4462372Fuel injection system
Disclosed is a fuel injection system particularly useful on supercharged boat and vehicle drag racing engines which functions to provide a positively controlled uniform fuel/air ratio proportional to engine speed from idle through maximum engine horsepowe...
07/31/1984
4428347Internal combustion engine
A fuel-injected internal combustion engine wherein fuel is injected in dependence upon a quantity or volume of air supplied to the engine. A throttle valve controls the airflow rate with an O2 probe, arranged in an exhaust manifold, controlling...
01/31/1984
4421087Alternative liquid fuel injection system and method
A liquid fuel injection system for an internal combustion engine in which the fuel, gaseous under ambient conditions, is injected in liquid form under compression into the intake manifold of the engine. Fuel is controlled largely by intake manifold pressu...
12/20/1983
4416638Apparatus for feeding fuel to a marine engine
To avoid danger of fuel leakage into bilges of a vessel's hull, the fuel feed pipe from the fuel supply to the vessel's engine carburetor is enclosed within a cylindrical casing sealed at one end to a fitting on the carburetor. At its other end the casing...
11/22/1983
4406264Governor for engines
A two speed governor for a fuel pumping apparatus which supplies fuel to an internal combustion engine comprises a source of fuel under pressure which varies in accordance with the speed of the engine. Fuel is supplied through a first orifice and a second...
09/27/1983
4389987Control member for fuel injection devices
A control member for regulating a flow of fuel to fuel injection devices of an air-compressing internal combustion engine. The control member is adapted to be arranged in one of a zone of the injection valve or within the injection valve. The control memb...
06/28/1983
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
4284588Fuel system
A fuel system in which excess fuel is recirculated from the charge forming apparatus. The apparatus comprises a regulator having a body with a fuel supply port connected to a fuel source, an outlet port for supplying fuel to a zone and a return port for r...
08/18/1981
4221192Fuel injector and common rail fuel supply system
This disclosure deals with a fuel supply system for a compression ignition, internal combustion engine, which is simple in construction and inexpensive to manufacture. The system includes a plurality of fuel injectors, one injector for each combustion cha...
09/09/1980
4220129Fuel injection system
The fuel injection system for a mixture compressing externally ignited internal combustion engine includes a flow sensing member (3) arranged in an air intake duct (1), the member (3) moving in accordance with the quantity of air flowing through the duct ...
09/02/1980
4213434Fuel injection system
The invention relates to a fuel injection system provided with a pump and at least one nozzle, in which the fuel quantity which collects by leakage in the spring chamber of the nozzle for the purpose of limiting the speed of the needle as it opens flows o...
07/22/1980
4190030Carburation system
A carburation system for supplying a fuel-air mixture to an internal combustion engine includes a hollow base securable to the engine and containing a mixing chamber. A fuel throttling valve and a pressurized air throttling valve supply corresponding fuel...
02/26/1980
4167167Internal combustion engine with externally controlled ignition
An internal combustion engine with applied ignition, preferably with a warm-up controller for a continuously operating fuel injection, in which the control pressure of the fuel injection is discontinuously controllable in dependence on different parameter...
09/11/1979
4167169Fuel flow control system
A fuel flow control system which, in response to the true mass of air entering the throttle body of an engine, provides a regulated flow of fuel to the throttle body, thereby delivering the optimum mass fuel-air ratio to the engine and maintaining idealiz...
09/11/1979
4136655Fuel metering valve with inlet metering control
Metering valves in diesel engine fuel injection systems are disclosed. The systems each include a high pressure fuel pump, a fuel distributor, at least one metering valve, and fuel injector nozzles. In the preferred embodiment, the valves are of a type ha...
01/30/1979
4014305Fuel injection pumping apparatus
A fuel injection pumping apparatus includes an injection pump for supplying fuel to an engine, feed pump for supplying fuel to the injection pump, and throttle means for controlling the amount of fuel supplied by the feed pump to the injection pump. Inter...
03/29/1977
3961612Fuel injection device for diesel engines
A fuel injection device for Diesel engines comprising a fuel system which includes a throttle member adapted to change the injection time corresponding to a variation in rotation of an engine and to meet such variation to rotary angle of the engine requir...
06/08/1976
3943903Liquid fuel injection pumping apparatus
A fuel injection pumping apparatus for supplying fuel to an internal combustion engine in which there is provided a feed pump which supplies fuel from its outlet to an injection pump by way of a throttle valve. The outlet pressure of the feed pump is cont...
03/16/1976
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