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7165536 |
Evaporative emissions control system for small internal combustion engines
An evaporative emissions control system for small internal combustion engines. The system generally includes a charcoal canister and a carburetor with a fuel circuit shutoff valve. The charcoal...
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6871843 |
Carburetor with idle fuel supply arrangement
An idle fuel supply device for a carburetor has an idle air passage that communicates with an air intake passage and a fuel chamber. A passage extending from a fuel metering chamber is connected to...
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6247681 |
Carburetor for an internal combustion engine of a hand-held working tool
A carburetor for an internal combustion engine of a hand-held working tool has a housing and a suction channel with a venturi section arranged in the housing. The suction channel has an inlet and...
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6135628 |
Method and apparatus for homogenizing aerosol formulations
A method and apparatus for homogenizing and micronizing aerosol formulations. The method includes the steps of homogenizing and micronizing an aerosol formulation at ambient temperature in a closed...
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5128071 |
Carburetor
A butterfly type motorcycle carburetor including a housing having an induction passage and a venturi intermediate the ends of the passage, a butterfly valve assembly positioned in the induction...
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5073308 |
Carburetor idle jet venting device
An improved vacuum operated air valve for incorporation into the idle fuel port of an automotive carburetor. The valve includes a valve seat having an inner conically-shaped area and a surrounding...
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5034163 |
Modular side-draft carburetor
A carburetor comprising a combined float bowl and venturi section including an air passage with a venturi, a rotatably supported throttle valve plate located in the air passage, and a float chamber...
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5002705 |
Carburetor including an idling adjustment system
A mechanism for idling position adjustment of a diaphragm carburetor will be described. The carburetor includes an idling nozzle which receives a fuel/air emulsion from an emulsifying chamber under...
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4960545 |
Device for feeding a carburation engine in special operating conditions
A unit intended to supply gasoline and air mixture to an internal combustion engine in special operation conditions, such as the operation at the minimum speed, the start period, the operation as...
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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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4931226 |
Charge forming apparatus
In a charge forming apparatus comprising fuel supply means including an idling orifice and a low speed orifice for feeding the amount of fuel required during the period that an engine is idling or...
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4853160 |
Apparatus for adjusting a variable length valve member for a needle valve
A carburetor including a valve apparatus comprising a wall defining a chamber having an axis and having therein an inlet communicating with the chamber and an outlet communicable with the chamber...
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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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4783286 |
Rotor-actuating carburetor with variable venturi tube
A carburetor includes a throttling rotor formed as a semi-circular cylinder rotatively mounted in an induction casing to operatively define a variable throat section of a venturi tube between the...
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4768494 |
Idling system for multi-cylinder two-stroke engine
An idling system for a multi-cylinder two-stroke engine as used in an outboard motor. Through a porting arrangement in the carburetor of at least one of the cylinders, the fuel supplied to that...
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4754743 |
Mixture control system for internal combustion engines
A carburator for internal combustion engines has a main jet for delivering fuel to be entrained with air as it passes through the carburator to the inlet side of the engine. A throttle valve is...
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4714817 |
Method and apparatus for locating and machining an idle bypass hole in a carburetor body
The method of locating and cutting an idle bypass hole in a carburetor body having a throttle section and a normally closed pivotal throttle plate therein on a longitudinal axis which comprises...
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4708828 |
Carburetor for IC engines and an idling insert therefor
A carburetor with an idling system is designed so that the full pressure differential or gradient available between approximately ambient pressure and the vacuum in the intake tube is employed for...
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4674460 |
Fuel injection system
An improved throttle body fuel injection system having a single electrically controlled type of fuel injector in combination with a throttle bypass air circuit to provide favorable fuel preparation...
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4670195 |
Carburetor
A carburetor, for use in association with a liquid fuel, comprising a barrel means having bore-defining wall means, defining a bore therethrough, a central carburetor axis, an upstream end and a...
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4632788 |
Carburetor fuel feed system with bidirectional passage
An improved carburetor is provided wherein a bidirectional passage is provided between an air velocity reader and a location downstream of a throttle. Metered fuel flows into the bidirectional...
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4584981 |
Intake system for internal combustion engine
An intake system for an internal combustion engine has a fuel injector disposed in an induction passage upstream of a pivotally mounted throttle plate having an idle position in which the throttle...
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4568499 |
Carburetor with self seating needle valve
A carburetor comprising a fuel/air induction passage, a secondary orifice communicating with the induction passage, and a fuel supply system operable to supply fuel from a source of fuel to the...
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4559185 |
Variable venturi type carburetor
A variable venturi type carburetor including both inner and outer venturis, a main nozzle for injecting main fuel into the inner venturi and a piston valve displaceably mounted on the outer venturi...
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4539163 |
Carburetor
Several embodiments of charge forming devices embodying enrichment circuits that provide enrichment substantially only when the engine is running above its idle speed and below a predetermined slow...
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4505250 |
Variable venturi carburetor
A variable venturi carburetor for an internal combustion engine in an automobile comprising means for insulating heat transmitted from a carburetor body to a fuel well defined in a main fuel jet of...
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4496497 |
Carburetor assembly
A carburetor assembly comprising an air intake tube having a venturi section therein, a hollow cylindrical body in which the air intake tube is inserted, a float chamber, a cover for the float...
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4495112 |
Variable venturi-type carburetor
A variable venturi-type carburetor comprising a main fuel passage, a slow fuel port and a slow fuel passage connecting the main fuel passage to the slow fuel passage. A fuel metering jet is...
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4454080 |
Fuel flow automatic modulating and economizing carburetor jet assembly
A valve assembly is provided for replacing the idle mixture jet screw of a conventional carburetor and includes structure for aerating the liquid fuel metered by the valve assembly, adjustably...
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4422423 |
Jet control type carburetor
A jet control type carburetor according to the present invention includes an intake pipe having an intake passage formed in an inner wall thereof, the intake passage allowing an intake air to flow...
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4387063 |
Carburettors comprising a main fuel circuit and an auxiliary circuit
A carburettor for an internal combustion engine comprises a main fuel supply system for normal running, opening into a venturi in the induction passage of the carburettor, and at least one...
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4382047 |
Carburetor for internal combustion engine
An engine operative between a low speed, a high speed, and an intermediate speed between the low and high speeds comprises a combustion chamber and a throttle operatively connected to the engine...
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4379096 |
Compound carburetor
A compound carburetor wherein, in order that, in the course of the transit from the primary side to the secondary side, an air-fuel mixture fed to each cylinder may maintain a uniform air-fuel...
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4378321 |
Tamper proof sealing plug
A fuel metering apparatus, for supplying metered fuel to an associated combustion engine, has an idle fuel metering and supply system comprising adjustable valving means which, in turn, comprises a...
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4377141 |
Low speed fuel supply system for a carburetor
A low speed fuel supply system for a carburetor of an engine, with the system including an ascending fuel passage communicating with a fuel supply. A fuel-air passage is provided with an air bleed...
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4349489 |
Jet for the production of a vaporized idling mixture in an internal combustion engine
This invention relates to a process and a jet to produce an idling vaporized mixture in an internal combustion engine. The process consists in vaporizing the mixture in two phases: one premixing...
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4348338 |
Injection-type pressure-freed carburetor
A pressure feed, fuel injection carburetor including a carburetor base, a gassifier for gassifying a portion of the fuel-fed to the carburetor, a vacuum-operated shut-off valve connected to the...
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4333890 |
Slow fuel controlling device for carburetor
A slow fuel controlling device for a carburetor in which fuel metered by a slow jet is mixed with air induced through a slow air bleed in the form of counter flows and the mixture thus formed is...
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4329964 |
Liquid fuel carburetion system
A carburetion system for metering liquid fuel for supply to an internal combustion engine. Liquid fuel is metered in a single bifurcated metering system by being flowed through a calibrated orifice...
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4319553 |
Induction control system for internal combustion engine
An internal combustion engine having a relatively large main induction system which supplies a charge to the chambers at higher loads and a relatively small auxiliary induction system that supplies...
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4318868 |
Analog carburetor
A fuel-air metering system functioning according to precise flow and geometrical equations. An air throttle valve and fuel valve are positively linked with the flow crossectional area of each valve...
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4308837 |
Intake system of an internal combustion engine
An internal combustion engine comprising a carburetor having a throttle valve. A secondary throttle valve is arranged in the intake passage at a position located downstream of the throttle valve of...
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4308220 |
Tamperproof protecting construction
A construction for protecting a member, such as an adjusting screw or fixing bolt, fitted to a base, from being tampered with, including a wall formed generally in the shape of a hollow tube,...
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T101202 |
Carburetor idle system air/fuel ratio control
A carburetor is provided with a separate idle air/fuel system containing an idle fuel metering jet or orifice; and an idle fuel tube connected to an induction passage discharge port downstream of...
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4285887 |
Carburetor
A carburetor herein disclosed includes a low speed spray aperture defined on the side wall of an intake duct at a position opposed to a throttle valve inside the intake duct and feeding a fuel for...
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4283354 |
Carburetor for internal-combustion engines
The ratio air:fuel with a mixture fed to an internal combustion engine is maintained constant independent of the condition of said internal combustion engine in that the mixture is fed...
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4277423 |
Fuel calibration device for carburetor
A fuel calibration device is provided for replacing the original metering device associated with the carburetor and the fuel bowl of an internal combustion engine to enable the various fuel flows...
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4273730 |
Tamper resistant idle adjustment screw
A carburetor improvement inhibits tampering with an idle adjustment screw after an initial adjustment of the screw is made. The screw is inserted in a cavity formed in the carburetor body and a...
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4271095 |
Idle adjusting device for a carburetor
A carburetor for an internal combustion engine has an idle adjust screw. A cover is provided for encompassing the idle adjust screw so as to prevent any readjustment of the idle adjust screw by an...
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4269062 |
Method for gauging fluid flow
A carburetor having a fuel reservoir containing fuel therein has a fuel inlet valve for controlling the admission of fuel into the reservoir, a float urges the inlet valve shut when the fuel level...
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