Class 261/44.6 - Rotating air or mixture valve

Subclass of Class 261 - Gas and liquid contact apparatus
Definition: Apparatus having air or mixture valve movable in a rotatable
No. of patents: 35
Last issue date: 01/04/2011

Number	Title	Issue Date
7862012	Carburetor of a remote control model A carburetor of a remote control model has a main body axially bored with an axial hole that is installed with a throttle and a second needle in its one side and provided with a female-threaded section formed at a certain portion of its other side for engaging with ...	01/04/2011
7475871	Start assist device for a rotary carburetor A rotary throttle valve carburetor has a start assist device with an operating member that interacts with a throttle lever of the throttle valve to axially displace the throttle valve, preferably without rotating it. The operating member may be rotated and moved lin...	01/13/2009
7427056	Mixer for engine, air conditioning apparatus driven by engine, and power generation apparatus driven by engine A mixer for an engine includes a base portion having an intake passage in which the air flows, a fuel passage in which the fuel flows, and a mixing space in which the fuel and the air are mixed, and an axial hole which communicates with the mixing space, a first val...	09/23/2008
7290757	Rotary carburetor A versatile rotary carburetor has an idle adjustment needle, a high speed adjustment needle, and preferably an air bypass screw which are substantially parallel to one another and are axially exposed for adjustment in a substantially common direction. Preferably a c...	11/06/2007
7287741	Rotary throttle valve carburetor A rotary throttle valve carburetor includes a main body defining a mixing passage and a valve bore, and a throttle valve rotatably received in the valve bore to selectively open and close the mixing passage. The carburetor main body includes an integral throttle val...	10/30/2007
7267327	Throttle valve assembly and dust seal for a carburetor A carburetor has a throttle valve assembly with a cam member and cam surface internally arranged in a body of the carburetor. The cam member is carried by the throttle valve body and preferably has outwardly extending tabs for locking engagement within slots formed ...	09/11/2007
7261280	Engine start device of a rotary valve carburetor A compact engine start device of a combustion engine rotary-type carburetor overrides normal operation of a rotary throttle valve to provide a richer mixture of fuel-and-air to start a cold engine. Rotation of a start lever of the start device activates a releasable...	08/28/2007
7240896	Carburetor fuel adjustment assembly A carburetor fuel adjustment assembly includes a low speed needle valve and preferably a high speed needle valve threaded into respective receptacles of a carburetor body. Each receptacle defines an elongated cavity which intersects a fuel passage and has a valve or...	07/10/2007
7121246	Intake passage of an internal combustion engine Branch pipes (3) of an intake manifold (1) comprise main bodies (3c), a common flange (11b) and pipe shape joining portions (11c) respectively connecting the main bodies (3c) to the flange (11	10/17/2006
7114708	Rotary throttle valve carburetor A rotary throttle valve carburetor includes a body having a fuel and air mixing passage and a throttle valve movable between idle and wide open positions. A valve bore is increasingly aligned with the fuel and air mixing passage as the throttle valve is moved from i...	10/03/2006
7070173	Carburetor air-fuel mixture adjustment assembly An apparatus for adjusting the air-fuel ratio of a fuel mixture to be supplied to an engine. The apparatus has a pair of needle valve bodies and a pair of receptacles formed in a main body of a carburetor for receiving the needle valve bodies. Each needle valve body...	07/04/2006
7007931	Rotary throttle valve carburetor A rotary throttle valve carburetor includes an air intake passage and a throttle valve bore formed in a carburetor body, a cam disposed in the throttle valve bore, and a throttle valve disposed in the throttle valve bore so that one end engages the cam and the other...	03/07/2006
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 not greatly enlarge the carburetor. The lower surface of a throttle va...	01/10/2006
6945520	Starting assembly for a carburetor A starting device for a rotary throttle valve-type carburetor enables adjustment of the quantity of air and fuel delivered to an engine to facilitate the cold start of the engine. The starting device changes the position of the throttle valve prior to starting the e...	09/20/2005
6843469	Scavenging air/fuel-air mixture control device for a stratified scavenging two-cycle engine The present invention facilitates proper control of the scavenging air and fuel-air mixture for a stratified scavenging two-cycle engine that is based on a crankcase compression/scavenging method, using any carburetor. The present invention includes a drive member, ...	01/18/2005
6827338	Scavenging air/fuel-air mixture control device for a stratified scavenging two-cycle engine The present invention facilitates proper control of the scavenging air and fuel-air mixture for a stratified scavenging two-cycle engine that is based on a crankcase compression/scavenging method, using any carburetor. The present invention includes a drive member, ...	12/07/2004
6827337	Rotary throttle valve carburetor A rotary throttle valve carburetor has a fuel-and-air mixing passage which extends through a carburetor body. A cylindrical throttle chamber extends down from a top surface of the body and communicates transversely with the fuel-and-air mixing passage. A rotary thro...	12/07/2004
6769670	Starting assembly for a carburetor A starting device for a rotary throttle valve-type carburetor enables adjustment of the quantity of air and fuel delivered to an engine to facilitate the cold start of the engine. The starting device changes the position of the throttle valve prior to starting the e...	08/03/2004
6431527	Rotary throttle valve carburetor A rotary throttle valve carburetor for a two cycle engine reroutes a portion of intake air and introduces the air around the circumference of a fuel feed tube. A rotary throttle, rotatable and vertically moveable, fits into a cylindrical chamber intersect...	08/13/2002
5439619	Steam conditioning butterfly valve The present invention is a steam conditioning valve for use in simultaneously reducing temperature and pressure in a superheated steam line. The invention provides a butterfly-type valve with desuperheating water nozzles oriented on its downstream face. I...	08/08/1995
4981500	Venturi type cooler for flue gas desulphurization device A Venturi Cooler for flue gas desulphurization devices sprays water through water spray nozzles on pipes positioned perpendicularly to the longitudinal flow direction of the cooler. It is important for the effectiveness of the diffused water that the spee...	01/01/1991
4765933	Carburetor A carburetor has a butterfly valve comprising a first valve plate portion for opening and closing a portion of an intake passage adjacent to a fuel nozzle and a second valve plate portion for opening and closing a portion of the intake passage located far...	08/23/1988
4572809	Carburettor A carburettor has a butterfly valve formed with an internal passage and outlet openings communicating with the passage. Fuel is discharged through the butterfly valve into the air stream to form a combustible mixture....	02/25/1986
4526729	Vortex carburetor A high velocity carburetor comprises a housing defining an air flow conduit with an air valve member therein. The air valve member includes a curved air-conducting surface facing the air stream and at least one position of the member for establishing a vo...	07/02/1985
4505863	Carburetor A carburetor includes a pendulum metering element delivering fuel to a hollow throttle shaft from a fuel metering chamber by means of a graduated depth groove in the chamber wall which is engaged by a spring urged jet member carried by the pendulum elemen...	03/19/1985
4447371	Carburetor A side draft carburetor is disclosed in which an eccentrically mounted throttle plate is provided with an aperture for passage of air therethrough and for movement of the throttle plate over a nozzle block interferingly projecting into the main air passag...	05/08/1984
4357283	Carburetor A carburetor having an induction passage with an inlet end and an outlet end for discharging into a corresponding inlet of an associated intake manifold of a combustion engine has a venturi and a main fuel discharge nozzle in association therewith within ...	11/02/1982
4353848	Fuel/air metering apparatus This disclosure relates to a fuel/air metering apparatus which incorporates a fuel valve responsive to variations in air flow as monitored by a vacuum diaphragm, an air metering apparatus having a plate rotatable about an axis generally parallel to the di...	10/12/1982
4351783	Combustion fuel and air flow control and mixer apparatus A housing has a fuel chamber formed therewithin. A fuel flow path is formed to and from the chamber. A plurality of air passageways are formed through the housing. A movable plate member has a plurality of spaced ports formed therein, and is movable from ...	09/28/1982
4348997	Fuel injection type carburetor Disclosed is a fuel injection type carburetor of a multicylinder internal combustion engine. The carburetor comprises: an intake manifold comprising a plurality of horizontal intake passages; a throttle body connected to a converging portion of said intak...	09/14/1982
4276239	Variable air valve carburetor A carburetor with a circular air valve, in which the fuel metering needle is connected to a bracket on the downstream face of the air valve....	06/30/1981
4268462	Variable venturi carburetor A variable venturi carburetor is disclosed which includes a mixture conduit having therein a throttle plate, a fixed venturi, and a vacuum sustaining plate for variably opening and closing the throat of the fixed venturi. A first fuel nozzle opens into th...	05/19/1981
4263233	Fuel preparation for internal combustion engines Improved fuel preparation for an internal combustion engine wherein a concave, upstream-facing dispersion surface terminates in a sharp downstream edge with an undercut immediately downstream of the edge and liquid fuel is sprayed under pressure through o...	04/21/1981
4190032	Flow homogenizer A flow homogenizer for an internal combustion engine which can be used as a carburetor or as a booster for a carburetor. The homogenizing unit includes a hollow housing open at both sides. One tube extends through the wall of the housing and is adapted to...	02/26/1980
4132204	Fuel spray bar and pressure regulator system A fuel spray bar is disposed in the induction passage of an internal combustion engine for spraying fuel into the induction air stream. The spray bar contains a pair of separate fuel distribution rails designated as the main (or light load) fuel distribut...	01/02/1979

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Class 261/44.6 - Rotating air or mixture valve