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7717403 |
Accelerator device for a carburetor
According to one implementation, a carburetor includes an intake bore, a throttle valve, a main fuel nozzle, an accelerator device and a fuel passage. The throttle valve is movable between an idle...
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7549618 |
Straight bore butterfly valve carburetor with accelerator assist module
A straight bore butterfly valve carburetor with accelerator assist module includes a butterfly valve carburetor with a straight bore and a vacuum accelerator assist module. The butterfly valve...
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7484717 |
Accelerator pump cap for a motorcycle carburetor
An accelerator pump cap for an accelerator pump assembly of a carburetor, such as a motorcycle or ATV carburetor, has a cap body with a base and a sidewall projecting from the base defining a fuel...
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7472892 |
Carburetor of an internal combustion engine
A carburetor of an internal combustion engine for operating a manually-guided implement, including an intake channel having a venturi section for combustion air, a fuel channel that opens into the...
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7467785 |
Auxiliary fuel and air supply in a carburetor
A carburetor includes a fuel and air mixing passage with a throttle valve therein, and a bore with a valve therein defining in part a valve actuation chamber and a separate fuel and air mixing...
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7410153 |
Vacuum accelerator assist module for carburetors
An accelerator assist module for carburetors includes two housing halves, a diaphragm and means for biasing the diaphragm. Each housing half includes a peripheral flange, a cavity and a pipe...
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7377259 |
Link structure for carburetor
To optimize an accelerator pump while maintaining serviceability of a carburetor. A drive lever includes an operating portion that slides in abutment along a cam projection formed on a cam and a...
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7364138 |
Membrane carburetor
A membrane carburetor (1) has a control chamber (13) which is connected via at least one fuel opening (9, 10) to an intake channel (3). The control chamber (13) is delimited by a control membrane...
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7216856 |
Accelerator apparatus for diaphragm carburetor
The accelerator apparatus prevents air from remaining within a pump chamber and discharged fuel vapor from causing a pumping effect so as to a destabilize engine operation and increase of an...
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7210672 |
Accelerator apparatus for diaphragm carburetors
An accelerated fuel passage of an accelerator pump operatively connected with a throttle shaft having a throttle valve. The accelerated fuel passage is connected to an upstream side of a needle...
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7172178 |
Carburetor with acceleration fuel pump
A combustion engine carburetor with a fuel-and-air mixing passage extending through a body and a float bowl engaged sealably to the body. A vacuum actuated acceleration fuel pump is preferably...
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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 intake...
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7000906 |
Carburetor
A carburetor for an internal combustion engine includes an intake channel section (2) as well as a throttle element journalled in the intake channel section (2). The throttle element is adjustable...
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6983928 |
Acceleration apparatus for carburetor
An accelerator for a carburetor that is linked to a throttle valve and allows a piston-type accelerator pump to be operated in a simple configuration that dispenses with a link mechanism and does...
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6938884 |
Carburetor arrangement of a portable handheld work apparatus
The invention relates to a carburetor arrangement of a portable handheld work apparatus and includes a carburetor (1), an accelerator pump (2) and a venting pump (3). The venting pump (3) acts on...
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6676114 |
Carburetor arrangement having an accelerator pump
A carburetor arrangement is provided for an internal combustion engine of a manually guided implement, and includes a carburetor that is embodied in particular as a diaphragm carburetor. A...
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6595500 |
Membrane carburetor
A membrane carburetor for an internal combustion engine in a portable handheld work apparatus includes a control chamber (3) delimited by a membrane (2). The control chamber (3) is connected via a...
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6481699 |
Acceleration device for a two-cycle engine
An acceleration device of a carburetor for a two cycle engine with a rotary dual valve which controls air flow through both a scavenging passage and a separate air intake passage each extending...
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6481698 |
Dual barrel carburetor for motorcycles
This invention is directed to a dual barrel carburetor for a motorcycle. The preferred carburetor includes a novel combination of a fuel bowl assembly, a metering assembly, a main body assembly,...
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6343780 |
Acceleration apparatus of carburetor
The invention provides an inexpensive acceleration apparatus of a carburetor which can stably supply a fuel for acceleration for a long time. In the acceleration apparatus of the carburetor, a cam...
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6293524 |
Carburetor with accelerating device
A carburetor for an internal combustion engine with an accelerator fuel pump in the carburetor having a piston actuated by a cam on a throttle valve shaft and a ball between them. The axis of a...
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6062179 |
Fuel-increasing system for an engine
A method and device for increasing the amount of fuel to an engine during acceleration is provided. A secondary source of fuel in addition to a first source of fuel is introduced into the engine...
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6029639 |
Fuel supply system for a watercraft
A fuel system is provided with an accelerator pump. The accelerator pump has a single influent port and multiple effluent ports. The single influent port draws fuel from a single charge former into...
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6016782 |
Accelerating pump for watercraft engine
A fuel increasing mechanism for supplying fuel to an engine positioned in an engine compartment defined by a hull of a watercraft is disclosed. The engine is arranged to power a water propulsion...
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5843345 |
Pneumatic accelerator for low emission charge forming devices
An accelerator having a main body defining a main chamber, a movable member (e.g., a diaphragm) positioned within and dividing the main chamber into a pneumatic chamber and a fuel chamber, and a...
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5667730 |
Float bowl attachment for carburetor
An attachment for a fuel carburetor possesses a fuel inlet, a needle-and-seat valve disposed in the inlet, and a float attached to the needle-and-seat valve. In one embodiment, the attachment is...
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5525266 |
Power vapor nozzle and splash plate
Disclosed in this description are modified accelerator pumps, fuel ports, venturis and carburetor openings. These modifications include the use of power vapor nozzles. All are used on fuel...
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5494613 |
Carburetor with enrichment fuel pump
Disclosed herein is a carburetor including a member defining an air induction passage including a downstream portion, an upstream portion, and a venturi located between the downstream portion and...
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5250233 |
Carburetor with accelerator and idle circuit shut-off
A diaphragm carburetor with both the main metering nozzle and an idle circuit supplied with liquid fuel from the same metering chamber and an accelerator and shut-off assembly in the idle circuit....
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5240649 |
Accelerating device for carburetor
An enrichment device for a charge forming system for an internal combustion engine that is responsive to induction system pressure for effecting a pumping action to draw fluid in when the engine is...
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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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4965023 |
Carburetor having bidirectional fuel passage
An improved bidirectional fuel passage carburetor includes an air density compensator and overall trim, an increased idle air and enrichment device, an air bounce check valve, a fuel valve shutoff,...
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4957664 |
Apparatus for injecting an accelerating fuel
Several embodiments of accelerating fuel systems and methods for delivering accelerating fuel to an internal combustion engine over an extended time period. In each embodiment, the accelerating...
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4726342 |
Fuel-air ratio (lambda) correcting apparatus for a rotor-type carburetor for integral combustion engines
An airstream driven rotor assembly with a centrifugal pump forcing a measured fuel quantity through a fixed orifice in direct substantially linear proportion to rotor speed and thus to airstream...
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4671220 |
Fuel supplying system for internal combustion engine
Several embodiments of charge forming devices including improved accelerating pumps wherein the discharge of fuel from the accelerating pump is extended in time through the use of an accumulator...
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4648998 |
Charge forming apparatus
A charge forming apparatus or carburetor having a mixture passage and a throttle valve arranged therewithin. A fuel pressure control mechanism comprises a chamber from which controlled fuel is fed...
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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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4518540 |
Multi-fuel carburetor
An improved two-barrel, multi-fuel carburetor. The carburetor comprises a main body portion in which the main fuel bowl is positioned and an auxiliary body portion in which an auxiliary fuel bowl...
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4509471 |
Start system for internal combustion engines
A carburetor for an internal combustion engine which includes a supplemental fuel chamber and fuel injector valve, manually or remotely actuated, to inject a charge of fuel into the fuel induction...
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4481914 |
Accelerator pump system for carburetors
An accelerator pump supplies additional fuel into a primary intake passage when a primary throttle valve is opened. A vacuum-operated actuator is responsive to a vacuum developed in a manifold...
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4427604 |
Carburetor
An improved carburetor for an internal combustion engine which eliminates the conventional automatic choke mechanism. A pair of fabric absorbent wicks are suspended in the vaporizing chamber of the...
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4390480 |
Carburettors with acceleration pump
A carburettor has an acceleration pump whose movable wall is mechanically actuated by the throttle valve. The acceleration pump is disabled as long as the engine is at rest. For instance, the...
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4387676 |
Cold starting system for alcohol fueled engine
To start an ethanol fueled engine at low temperatures, a valve directs liquid ethanol from the carburetor accelerator pump to a PTC thermistor grid disposed in the engine induction passage below...
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4362673 |
Mounting a piston in an accelerator pump of a carburetor and associated method
A carburetor comprising an accelerator pump having a working chamber containing fuel and a piston displaceable in the working chamber to discharge fuel therefrom to an inlet passage of the...
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4312314 |
Acceleration fuel enrichment system for an internal combustion engine
An engine comprises a combustion chamber and a throttle movable between a low speed position for operating the engine at a low speed and a range of positions spaced from the low speed position for...
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4305368 |
Apparatus for venting fuel vapors
Apparatus for venting fuel vapors present in the fuel bowl of a carburetor for an internal combustion engine. A carburetor has at least one air passage through which air is drawn into the engine, a...
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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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4278618 |
Acceleration pump for a carburetor
An acceleration pump for a carburetor incorporating first and second pump levers rockably secured to the carburetor body and moved via an acceleration rod connected at one end to the pump lever and...
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4255362 |
Accelerator pump control apparatus
An acceleration pump used in conjunction with an automatic cold start air-fuel mixture supply device, comprising a suction-operated diaphragm, and pressure regulating valve means controlling the...
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4251471 |
Carburetor for internal combustion engines with an acceleration pump
A carburetor for internal combustion engines with an acceleration pump whose pump chamber is connected to the float chamber by a suction duct having a suction valve. The pump chamber also is...
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