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7613526 |
Control system for a reciprocating object
The present invention is related to a control system of the reciprocating object comprising a microprocessor ( 01 ), a reciprocating mode control circuit ( 02 ), a reciprocating travel control...
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7603983 |
Carburetor and method of operating the same
A carburetor ( 1, 51 ) has an intake channel ( 2 ) wherein a throttle element and a choke element are arranged with the choke element being upstream of the throttle element. The choke element is...
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7509941 |
Apparatus and method for adjusting air-to-fuel ratio for small gasoline engine
An apparatus and method for use with a carbureted internal combustion engine that accurately controls the amount of fuel that passes through the carburetor into the combustion chamber of the...
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7341044 |
Method and control device for regulating the air-fuel mixture provided to an engine
A method and device is provided for regulating the air-fuel mixture provided to an engine of a stand-by electrical generator during the exercise thereof. The engine is exercised at a predetermined...
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7207318 |
Method for operation of a device for energy conversion using a main fuel and at least one auxiliary fuel
A method for operating a converter for the energy conversion of fuel from at least one main fuel supply, and from at least one auxiliary fuel supply for operating the converter directly and/or by...
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7204232 |
Carburetor electrically-operated automatic choke system
An electrically-operated automatic choke system of a carburetor includes a choke valve connected to a choke valve closure spring that urges the choke valve in a direction to close it. A wax-type...
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7171947 |
Electrically-actuated throttle device for general-purpose engine
In an electrically-actuated throttle device for a general-purpose engine, supply of current to the throttle motor and choke motor for moving the throttle valve and choke valve is started when...
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7143999 |
Accelerating apparatus of carburetor
To inhibit an after burn phenomenon, an accelerating apparatus (P) is sectioned into a pump chamber ( 23 ) and a pressure receiving chamber ( 24 ) by a partition body ( 20 ), an acceleration fuel...
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7140352 |
Method for controlling an electromagnetic valve in a fuel system
A method is for controlling the metering of fuel in a fuel system ( 30 ) of an internal combustion engine ( 1 ) which is to be started manually. This control is with a currentless open...
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7040287 |
Fuel dosage device
The invention relates to a fuel metering device comprising a fuel chamber, a fuel inlet which can be opened and closed and leads to the fuel chamber, and at least one fuel outlet leading from the...
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7021289 |
Reducing engine emissions on an engine with electromechanical valves
A system and method to control engine valve timing to improve the start of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions during...
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6932058 |
Carburetor arrangement for an internal combustion engine
A carburetor arrangement is provided for an internal combustion engine that is to be started with a pull cord. A fuel channel that is connected with a fuel-filled storage space opens into and...
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6910460 |
Engine air-fuel ration control method with venturi type fuel supply device and fuel control appliance including the method
An object of the present invention is to maintain stable air-fuel ratio on a venturi type fuel supply device, irrespective of the external load such as air-conditioner and electrical load, and to...
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6886531 |
Control apparatus for an internal combustion engine
A control apparatus for an internal combustion engine can limit a vehicle speed within a permitted maximum speed with high accuracy by preventing a response delay of a throttle opening with respect...
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6702261 |
Electronic control diaphragm carburetor
A diaphragm carburetor is disclosed wherein a mechanism for varying the fuel flow rate through the carburetor for delivery to the engine can be controlled by electronic feedback based on engine...
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6701897 |
Engine fuel delivery management system
An apparatus and method for adjusting a quantity of fuel delivered to an engine when an engine operating state transitions is provided. The apparatus and method includes determining a current...
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6615798 |
Internal combustion engine having multiple intake valves, one valve adapted for higher speed
An internal combustion engine 10 comprises a cylinder 12 including a combustion chamber 17 having at least two air input ports 31, 51 and a piston 18 movable in cylinder 12 so as to...
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6484695 |
Engine having compressed air assisted injection with secondary high speed fuel carburetor sandwich
An internal combustion engine having a crankcase, a cylinder connected to the crankcase, a compressed air assisted fuel injection system connected between the crankcase and the cylinder, and a...
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6426631 |
Oxygen sensor device incorporating a heater therein
An oxygen sensor device consisting a cylindrical tube of a ceramic solid electrolyte having an oxygen ion conducting property, a reference electrode formed on an inner surface of the cylindrical...
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6401685 |
Carburetor with a fuel shut off solenoid
A fuel shut off solenoid device of a carburetor has a solenoid chamber which typically fills with fuel. When the solenoid device is energized, fuel flows from a fuel chamber into a mixing passage...
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6273065 |
Electronically controlled carburetor
The present invention involves a carbureted fuel system for an internal combustion engine for small utility implements. The engine includes a crankcase with a cylinder bore. The crankcase rotatably...
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5921208 |
Thermodynamical aspiration valve
An aspirating thermodynamic valve capable of controlling the flow of fuel mixture and air from the carburetor to the crankcase of a two-stroke engine includes a hollow body placed between the joint...
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5809971 |
Engine air/fuel ratio control
A method and device for controlling the fuel and/or air supply to an internal combustion engine in the fuel section thereof, such as a carburetor or a fuel injection system, so that the mixture...
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5809970 |
Backup control for natural gas fueled internal combustion engine
An internal combustion engine is fueled with a controlled mixture of natural gas and air which mixture is regulated by a regulator responsive to an electronic controller. In the event of a system...
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5794593 |
Electronically controlled type floatless carburetor
An electronically controlled type floatless carburetor includes a fuel regulating chamber from which fuel is delivered to a main fuel passage including a main jet and a pilot fuel passage including...
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5722372 |
Fuel supply system with carburetor air bleed control
A single cylinder engine is equipped with a carburetor having an electrically controlled air bleed control valve. A microcomputer of an electronic controller calculates a target opening timing and...
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5715789 |
Method for controlling engine for model and device therefor
A method for controlling an engine for a model and a device therefor capable of improving throttle response. Feed of fuel to the engine is increased during acceleration of the engine and decreased...
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5611312 |
Carburetor and method and apparatus for controlling air/fuel ratio of same
A small engine carburetor with manually controlled choke and throttle valves and associated idle ports and main metering nozzle supplied with fuel from a common metering chamber. The A/F is...
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5537979 |
Mixture preparation device for double-feed engines
A mixture preparation device for double-feed engines having a body (11) in which two ducts are provided, namely a first duct (12) for air feed to the crankcase and a second duct (13) connected to...
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5465698 |
Membrane carburetor
The invention is directed to a membrane carburetor for changing the air/fuel ratio. The membrane carburetor achieves the same result as previous carburetors but at a greater insensitivity to wear...
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5443046 |
Efficiently pumped fuel supply system
In a low pressure continuous flow fuel injection system for an internal combustion engine, an electric fuel pump (18) is energized with a variable duty cycle to vary the pumped volume output of the...
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5389224 |
Capacitive A/F sensor
A sensor for determining the stoichiometric air to fuel ratio (A/F) at the intake of an internal combustion engine is based on a capacitive device in the exhaust stream which can be used to measure...
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5379739 |
Carburetor
There is provided a carburetor having a main air passageway extending between an air inlet and an air outlet and having a narrower venturi portion intermediate the air inlet and air outlet, a...
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5355855 |
Integrated feed forward air/fuel ratio sensor for gaseous fuel engines
An integrated air/fuel sensor is disclosed for use with a gaseous fuel internal combustion engine. The sensor includes a housing having a mass air flow sensor which provides an output signal...
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5353765 |
Fuel management system for a gaseous fuel internal combustion engine
A fuel management system is provided for use with an internal combustion engine which utilizes gaseous fuel as the fuel source. A mass gas flow sensor is fluidly connected between the gaseous fuel...
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5345912 |
Method and device for controlling a carburetor
In a method and device for controlling a carburetor (1) of an i. c. engine, the A/F ratio thereof is automatically adjusted to a preferred level during varying operating conditions. An adjusting...
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5310474 |
Workfunction based A/F sensor
A sensor for determining the stoichiometric air to fuel ratio (A/F) at the input to the cylinders of an internal combustion engine which is based on measuring the change in the workfunction of a...
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5226920 |
Method and arrangement for adjusting air/fuel ratio of an i. c. engine
For adjusting the air/fuel ratio (A/F) of an i. c. engine having an electrically adjustable carburetor, an electronic detector and control unit is used to which current is supplied by an ignition...
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5150673 |
Fuel supplying device for marine propulsion engine
An outboard motor having a charge forming system including an enrichment fuel device that supplies additional fuel and air to the engine for starting and warm up. The fuel and air are supplied from...
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5060617 |
Fuel supply system for selectively increasing the fuel supply to an engine
A fuel supply system for selectively increasing the fuel supply to an internal combustion engine suitable for use in outboard motors and the like in response to sensed operating conditions of the...
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5031593 |
System for controlling the carburetor of an internal combustion engine
A control system for the carburetor of an internal combustion engine wherein the carburetor has a choke valve disposed at the inlet of the carburetor induction tube and the choke valve is operated...
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4998521 |
Ignition timing control for outboard motor
An arrangement for insuring that an internal combustion engine of an outboard motor will operate efficiently under all trim adjusted conditions of the outboard motor. The trim angle is sensed and...
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4955342 |
Idle revolution number control apparatus for carbureter
An idling engine speed control apparatus for an engine with a carbureter having a main fuel passage for supplying fuel to an engine and a slow fuel passage for supplying fuel to the engine in...
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4949692 |
Automatic control of a carburetor fuel system
A diaphragm type carburetor comprising a main body portion defining a venturi having an air intake side and an engine outlet side. The carburetor has a throttle shutter mounted within the venturi...
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4944272 |
Carburetor arrangement
The invention is an arrangement for controlling the air/fuel ratio A/F in a carburetor. The arrangement can be connected to a membrane or a float carburetor and controls the mixture ratio by...
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4903649 |
Fuel supply system with pneumatic amplifier
A fuel control system for an internal combustion engine includes means for pneumatically amplifying sensed air flow pressure differential through an air intake venturi between a first combustion...
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4901240 |
Method and apparatus for controlling the operating characteristic quantities of an internal combustion engine
In a method and an apparatus for open-loop and closed-loop control of operating characteristic quantities of an internal combustion engine, it is proposed that the anticipatory or pilot control...
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4867127 |
Arrangement for regulating the combustion air proportions
An arrangement for regulating the combustion air mixture in the case of a gas engine operating on a lean fuel, and in the induction line of which there is an air-gas mixer, a lambda regulator being...
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4840148 |
Two cycle engine with low pressure crankcase fuel injection
A two cycle internal combustion engine is provided with a fuel system including a low pressure fuel pump (204) and solenoid valve (206) supplying and metering fuel to the engine crankcase through a...
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4838224 |
Method and apparatus for control of engine idling circuit
A method and apparatus for controlling the idle circuit of a carbureted engine is disclosed. The apparatus includes a solenoid valve for blocking the idle circuit of a carburetor when engine speed...
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