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Class 261/44.5 - Longitudinally movable air or mixture valve


Subclass of Class 261 - Gas and liquid contact apparatus
Definition: Apparatus having an air or mixture valve that moves in a
No. of patents: 46
Last issue date: 10/31/2006


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NumberTitleIssue Date
7128059Air induction system and evaporative emissions control device
A device comprising an air intake duct and at least one passive one-way air intake valve disposed in the air intake duct. There is also an actuator coupled to the one-way valve for biasing the one-way valve in a closed position. During operation, the one-way air int...
10/31/2006
6827339Variable venturi-type carburetor with automatic vacuum regulation and cam control mechanism
A variable venturi-type carburetor has a base defining a central channel having an upper inlet end and a lower outlet end. A variable venturi assembly is situated in the middle of the central channel. The variable venturi assembly has a support, a conical body, and ...
12/07/2004
6752387Method and an apparatus for mixing and gasifying a reactant gas-liquid mixture
A method of gasifying a liquid material that is entrained with a carrier gas includes mixing liquid material with a carrier gas in a control valve that can be heated. The gas-liquid mixture is maintain at a first pressure level that is sufficiently higher than the p...
06/22/2004
6264175Automatic adjustment carburetor offering fuel economy and low pollution
The present invention provides an automatic adjustment carburetor capable of offering fuel economy and low pollution, wherein an automatic adjustment air-blocking device and a gas enrichment device are appended in the intake passage of the carburetor. The...
07/24/2001
5262091Steam injector system
A steam injector system comprises a plurality of steam injectors each being provided with with a check valve adapted for water supply, a check valve adapted for steam supply, a check valve adapted for overflow and a check valve adapted for discharge and t...
11/16/1993
5232164Precisely adjustable atomizer
An atomizer device comprising a body member having a gas nozzle defined by smooth converging sidewalls. A first smooth surface is disposed in a substantially perpendicular relationship to the nozzle, and a second smooth surface is disposed in an abutting ...
08/03/1993
5108664Carburetor metering systems
A fuel valve 1 is provided for injecting liquid fuel into a stream of air which comprises a valve member 2 movable along a displacement axis 3 with respect to a valve seat 4 to vary the fuel flow through the valve 1. The valve member 2 and the valve seat ...
04/28/1992
5045245Device for atomizing liquid or for comminuting gas into small bubbles
The invention relates to a device for atomizing liquid with the aid of gas or for comminuting gas into small bubbles with the aid of liquid, in which the gas and the liquid are joined into a two-phase mixture in a mixing chamber and mixed, and the inflow ...
09/03/1991
5029564Fuel-air mixture-forming device for internal combustion engines
A fuel-air-mixture-forming device for an internal combustion engine, has a nozzle body (2) of rotational symmetry which, together with a throttle body (7) of rotational symmetry which is displaceable in the nozzle body, forms a convergent-divergent nozzle...
07/09/1991
4955349Device for preparation of a fuel-air mixture for internal combustion engines
In a fuel/air mixture preparation device for internal combustion engines, there is a nozzle body (2) of rotational symmetry having a throttle member (7) of rotational symmetry which is displaceable within the body, the body forming a convergent/divergent ...
09/11/1990
4948536Automatic choke for small two-cycle internal combustion engines
An automatic choke assembly or starting aid is coupled with small internal combustion engines. The choke assembly is responsive to pressure differentials in the internal combustion engine which causes movement of a mechanism to control the amount of combu...
08/14/1990
4946631Carburetor
A carburetor including a throttle valve for regulating the flow of air through the body of the carburetor and to an engine, with fuel being introduced into the air flow for intermixture therewith, and with the device including an air actuated element whic...
08/07/1990
4670195Carburetor
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 downstream end, an annular ridge forming a constriction in t...
06/02/1987
4609506Throttled fluid mixing device
Fluid mixing valve means comprising valves in first and second fluid conduits having specific configurations, means coupling said valves for common movement and means coupling the output of said second fluid conduit to said first fluid conduit on the down...
09/02/1986
4595542Air atomizing throttle body
A fuel atomizing throttle body is formed to receive a centrally located fuel injector near the inlet to the throttle body induction passage, the throttle body having an axially moveable throttling sleeve in the induction passage that cooperates with a fue...
06/17/1986
4501709Variable venturi carburetor
A variable venturi carburetor comprises an auxiliary intake air passage, an auxiliary variable venturi and a non-adjustable nozzle portion, in addition to a main intake air passage, a main variable venturi and an adjustable nozzle portion. If the amount o...
02/26/1985
4455979Carburettors for internal combustion engines
A carburettor for an internal combustion engine has an air passageway in which air flow is controlled by a poppet valve in which fuel is fed from a tapered needle controlled valve readily variable for different fuels including CNG, LPG, Methanol and petro...
06/26/1984
4450119Variable venturi carburetor
A variable venturi carburetor has a vertically movable head which moves along the downwardly extending induction passage. The movable head includes a lower member whose vertical position is determined by an accelerator pedal for the engine on which the ca...
05/22/1984
4434110Carburetor, control apparatus and method for internal combustion engines
A carburetor and associated control apparatus for an internal combustion engine. The carburetor includes a carburetor head having a fuel inlet conduit and an air inlet conduit communicating with a fuel mixing chamber. The carburetor further includes meter...
02/28/1984
4419972Air-fuel intake system for an internal combustion engine
An intake system for an internal combustion engine comprises a throttling system mounted in an intake pipe between a fuel injection valve and an intake manifold, the throttling system including a stationary valve body fixed in the intake pipe in oppositio...
12/13/1983
4387685Fluidic control system including variable venturi
A fluidic control system provided with a variable Venturi structure whose movable element is automatically shifted as a function of the mass-volume of fluids passing through the structure to produce an output which depends on the adjusted position of the ...
06/14/1983
4327685Air-fuel intake system for internal combustion engines
An intake system for internal combustion engines comprises a throttling system mounted in an intake pipe between a fuel injection valve and an intake manifold, the throttling system including a stationary valve body fixed in the intake pipe in opposed rel...
05/04/1982
4322376Carburetor
A carburetor having a tapered plug adjusting air flow into the throat of a carburetor housing air passageway. A control arm connected to the plug and guided by a groove in the housing shaped to move the plug more rapidly in the upstream than in the downst...
03/30/1982
4314951Mixture preparation apparatus
A mixture preparation apparatus for mixture-compressing, externally ignited internal combustion engines, which serves to improve the output and to reduce both fuel consumption and the proportion of toxic components in the exhaust gas of the internal combu...
02/09/1982
4308835Closed-loop fluidic control system for internal combustion engines
A closed-loop fluidic control servo system for a vehicle having an internal combustion engine provided with a variable Venturi carburetor having an axially-shiftable spool operated by a vacuum motor. The system acts automatically through the motor to main...
01/05/1982
4290405Carburetor with sonic fuel atomizer
A carburetor for an internal combustion engine has a conduit through which air is drawn into the engine, a source of fuel, and means for delivering fuel from the source to the conduit for mixing with air to form an air-fuel mixture combusted in the engine...
09/22/1981
4263235Mixture preparation apparatus
A mixture preparation apparatus for mixture-compressing, externally ignited internal combustion engines, which serves to improve the output and to reduce both fuel consumption and the proportion of toxic components in the exhaust gas of the internal combu...
04/21/1981
4250856Fuel-air ratio automatic control system using variable venturi structure
An automatic control system for supplying a fuel-air mixture to an internal combustion engine through a Venturi structure conducting throttle-controlled incoming air to the intake manifold of the engine. Coaxially disposed in the casing of the structure i...
02/17/1981
4234522Variable diffuser for carburetors
An improvement for internal combustion engine carburetors of the variable diffuser type with a sonic throat, the diffuser having a circular intake passage leading to an obstacle in the form of a body of revolution of maximum diameter appreciably larger th...
11/18/1980
4231972Supply apparatus
In a venturi type fuel supply apparatus wherein a resistance member biased by a spring against a negative suction pressure is provided in an air suction passage to engage a throat formed therein and a needle valve is moved by the resistance member, a unit...
11/04/1980
4217313Device for reducing noxious emissions from carburetor internal combustion engines
A device for reducing noxious emissions from carburetor engines of the internal combustion type, the body of which comprises at least one main passage designed for feeding a fuel-air mixture to the engine cylinders and has an emulsion passage. The main pa...
08/12/1980
4187805Fuel-air ratio controlled carburetion system
An automatic control system for supplying a fuel-air mixture to an internal combustion engine including a variable-Venturi carburetor. Air is fed into the input of the Venturi, the air passing through the throat thereof whose effective area is adjusted by...
02/12/1980
4180534Apparatus for dispensing a fuel-air mixture in an airstream
A primary fuel-air mixture is dispersed into an airstream flowing through a venturi to achieve a desired final fuel-air mixture. The flow of air through the venturi is operatively controlled by a throttle valve means which includes a tube member having a ...
12/25/1979
4172438Valve device and system employing same
Valve device includes a valve chamber containing three spherical members of different hardnesses in stacked relation therein, which produce a limited pulsating air flow that is metered in precise amounts at any given time into the fuel/air path of a gasol...
10/30/1979
4162281Carburetor fuel atomization apparatus
Apparatus for feeding compressed air to an automobile carburetor including a compressor, a compressed air holding tank, an electric air regulator control switch, a manually operated air regulator valve, a solenoid controlled flow valve, tee connections to...
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
4152375Fuel supply apparatus for externally ignited combustion engines with continuous fuel addition to the suction pipe
A fuel supply arrangement with a fuel metering valve for external-ignition combustion engines, in which continuous fuel addition is provided to the intake pipe. The latter has an air funnel acting jointly with a throttle member coaxially located and axial...
05/01/1979
4132752Apparatus for providing a uniform combustible air-fuel mixture
A carburetor for gasoline internal combustion engines includes a generally cylindrical housing having an intake air receiving section. A fuel atomization and distribution device is mounted in the housing immediately below the intake air receiving section....
01/02/1979
4127627Counterbalanced throttle for I.C. engine
The throttle for the air inlet passage of an automobile internal combustion engine comprises a variable restriction diffuser within the passage and designed for sonic velocity gas flow through its region of maximum restriction throughout substantially the...
11/28/1978
4118444Variable venturi carburetion system
A carburetion system for supplying a fuel-air mixture to an internal combustion engine in a manner maintaining a desired ratio of fuel-to-air under varying conditions of operation to improve fuel economy and minimize the emission of pollutants. The system...
10/03/1978
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