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| Number | Title | Issue Date |
| 7343896 | Carburetor valve control linkage A carburetor for a high performance vehicle includes an actuator lever mounted to a first valve linkage for rotating a first pair of carburetor butterfly valves and a crank mounted to a second valve linkage for rotating a second pair of carburetor butterfly valves, ... | 03/18/2008 |
| 7287742 | Carburetor and method of manufacturing A carburetor has an air intake passage, a fuel passage, a fuel nozzle in communication with the fuel passage and having an opening through which fuel flows, a first valve in communication with the air intake passage and being movable between first and second positio... | 10/30/2007 |
| 7268100 | Shale inhibition additive for oil/gas down hole fluids and methods for making and using same An under-balanced drilling fluid additive is disclosed which reduces reactive shale and/or clay swelling during under-balanced drilling operations, where the additive includes an effective amount of a choline salt. A method for under-balanced drilling is also disclo... | 09/11/2007 |
| 7261282 | Carburetor with intermediate throttle valve blocking position A carburetor including a frame having a first air/fuel channel and a second air channel; and a throttle valve assembly connected to the frame and having two valve sections. Each valve section is located in a respective one of the channels. A second one of the valve ... | 08/28/2007 |
| 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 temperature sensitive actuating device is coupled to the carburetor to ... | 04/17/2007 |
| 7156376 | Carburetor electronic control system A carburetor electronic control system includes: transmission devices coupled to valves for opening and closing an intake path of a carburetor; electric motors that make the valves open and close via the transmission devices; and an electronic control unit for contr... | 01/02/2007 |
| 7144000 | Automatic choke for an engine An internal combustion engine including a carburetor. The internal combustion engine includes a choke valve disposed within the carburetor, and a choke lever interconnected with the choke valve for movement with the choke valve. The engine also includes a throttle v... | 12/05/2006 |
| 7128309 | Automatic choke system for carburetor An automatic choke system includes: a wax-type temperature sensing section; and an output section which opens a choke valve of a carburetor in response to heat receiving operation of the temperature sensing section. Temperature sensing section includes: a bottomed c... | 10/31/2006 |
| 7121533 | Air filter housing with tamper resistant carburetor feature A device for a power tool that includes an internal combustion engine and a carburetor for supplying an air and fuel mixture to the engine. The carburetor includes at least one externally adjustable component. An air filter arrangement of the device is for in-taking... | 10/17/2006 |
| 7118097 | Device for controlling choke valve of carburetor A device for controlling a choke valve of a carburetor for an engine includes: a choke closed state hold device for holding, in a closing position, a choke lever urged by a spring in a direction for opening the choke valve, when the choke lever is turned to the clos... | 10/10/2006 |
| 7104526 | Carburetor with intermediate throttle valve blocking position A carburetor including a frame having a first air/fuel channel and a second air channel; and a throttle valve assembly connected to the frame and having two valve sections. Each valve section is located in a respective one of the channels. A second one of the valve ... | 09/12/2006 |
| 7097163 | Device for controlling choke valve of carburetor A device for controlling a choke valve of a carburetor for an engine, includes a choke closed state hold device for holding, in a closing position, a choke lever connected to the choke valve of a carburetor and urged by a spring in a direction for opening the choke ... | 08/29/2006 |
| 7013851 | Intake arrangement An intake arrangement (1) for a two-stroke engine includes an intake channel (2) in which a throttle flap (3) is pivotally journalled with a throttle shaft (4). Downstream of the throttle flap (3), a partition wall (8) is mo... | 03/21/2006 |
| 6990969 | Automatic choke for an engine An automatic choke apparatus for use in an internal combustion engine. The choke apparatus includes a choke valve automatically operable in response to the speed of the engine, a thermally conductive assembly that conducts heat from exhaust gases produced by the eng... | 01/31/2006 |
| 6592105 | Temperature compensator for a pressure splitter control chamber A temperature compensator for a pressure splitter control chamber has two members which have different thermal expansion rates, and the dimensional changes in these two members caused by temperature change affect the pressure inside the control chamber. T... | 07/15/2003 |
| 6042088 | Changeable venturi carburetor including a cold start and high loading auxiliary fuel duct A changeable Venturi carburetor includes an auxiliary fuel which has a vacuum valve and a temperature delay vacuum valve. The vacuum valve has a third air nozzle connecting with a second air nozzle in the temperature delay vacuum which further has a first... | 03/28/2000 |
| 5992829 | Temperature compensated choke Fuel supply system (1) for internal combustion engines, arranged in a suction channel (2) leading to the engine body proper, the system (1) comprising one or several air-regulating valves (5,6) and one or several nozzles (3,3'). A cavity (7) or channel is... | 11/30/1999 |
| 5915355 | Compensating air regulating valve Fuel supply system (1) for a combustion engine arranged in an inlet duct (2), which extends to the engine body itself. The system (1) comprises one or several air valves (5, 6), which are all mechanically connected with manually influenced linkages, such ... | 06/29/1999 |
| 5688443 | Temperature compensated fluid flow metering carburetor and method A temperature compensated carburetor including a composite valve member comprising a bi-metal strip and a gate valve needle for varying the effective flow cross-sectional area of the main and/or idle fuel supply duct to modulate the flow rate of fuel to t... | 11/18/1997 |
| 5660765 | Thermostatic element for controlling a solenoid operated carburetor choke The air-fuel mixture produced by a carburetor is controlled by an apparatus that includes a choke valve located in a passage of the carburetor. A solenoid with a moveable plunger rod coupled to move the choke valve between extreme open and closed position... | 08/26/1997 |
| 5176855 | Liquid fuel system with tilt valve An improved carburetor uses a butterfly air valve having a controlled air pressure difference across it and positions a tilt valve, proportionally to feed the liquid fuel with a predetermined pressure difference across the fuel valve and the metered fuel ... | 01/05/1993 |
| 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, and a load enrichment device. In an alternate embodiment,... | 10/23/1990 |
| 4770823 | Choke valve mechanism for carburetor A diaphragm carburetor for internal combustion engines with a special choke valve to regulate the fuel and air mixture especially during hot restart of the engine. The disk choke valve has openings and a temperature responsive alloy member is positioned t... | 09/13/1988 |
| 4699630 | Fuel valve for air-vapor mixer An improved fuel valve for an air-vapor mixer device for the fuel supply system of an internal combustion engine with which it is in thermal contact is disclosed. The valve operates in a fuel metering orifice and is composed of an acetal copolymer resin h... | 10/13/1987 |
| 4563311 | Carburetor valve A diaphragm carburetor provided with a temperature-sensitive lever arm is disclosed. The temperature-sensitive lever arm permits hot restart of an engine when the carburetor is in a vapor lock condition, without the use of the choke mechanism.... | 01/07/1986 |
| 4465640 | Adjustable choke linkage means A carburetor situated on an intake manifold of an engine is shown having an induction passage with a choke valve therein mounted on a choke shaft which in turn has a choke control lever; a thermostatic control situated on a different portion of the intake... | 08/14/1984 |
| 4393838 | Thermal and vacuum tracking carburetor jet with electronic control A Thermal and Vacuum Tracking Carburetor With Jet Electronic Control System which allows the continuous monitoring of the temperature of the exhaust gas and the manifold vacuum of an internal combustion engine.... | 07/19/1983 |
| 4385009 | Automatic starter device for a double barrel carburator The invention relates to an automatic choke device for carburators having at least two barrels. The device consists of a control element for the valves choke of all the barrels of the carburator that work together with a control element of the butterfly o... | 05/24/1983 |
| 4382899 | Temperature responsive time delay valve A temperature responsive time delay valve in which free flow of fluid is afforded above a predetermined temperature level and in which a delayed fluid flow is achieved in one direction and free fluid flow in the opposite direction below the predetermined ... | 05/10/1983 |
| 4382043 | Automatic choke The present invention relates to an automatic electrical choke, disposed inside the intake system of a gasoline engine, consisting of a bimetallic helical spring the movable end of which has an eyelet for operating the choke valve, while its second end is... | 05/03/1983 |
| 4347196 | Carburetor equipped with an auto-choke device A carburetor equipped with an auto-choke device is disclosed wherein according to one embodiment a leak valve is disposed in a negative pressure chamber of a diaphragm device adapted to operate by a negative pressure in a suction passage downstream of a t... | 08/31/1982 |
| 4340549 | Dual input carburetor An improved carburetor (20) for delivering one combustible fuel and a liquid, or two combustible fuels from separate reservoirs (50), (500), to the central portion of a hollow spray bar (98) for discharge into carburetor venturi (30) includes substantiall... | 07/20/1982 |
| 4333889 | Carburetor vacuum break assembly A carburetor vacuum break assembly includes a telescopically constructed adjustable stop which permits adjustment of the carburetor choke vacuum break position but does not require an elongated sealing region about the stop.... | 06/08/1982 |
| 4324745 | Device for automatically regulating a choke valve in a carburetor for an internal combustion engine Disclosed herein is a device for automatically regulating a choke valve mounted in a carburetor. The device comprises a housing fixed to the body of a carburetor, a bimetal coil provided in the housing and connected to a choke valve shaft urging the choke... | 04/13/1982 |
| 4313411 | Fuel feeding device for an internal combustion engine There is disclosed a fuel feeding device for an internal combustion engine equipped with an air regulator for feeding air through a bypass around a throttle valve and a fuel jetting valve for feeding fuel. An air passage outlet of said air regulator is op... | 02/02/1982 |
| 4311129 | Auxiliary air regulator for internal combustion engine In an internal combustion engine having an air intake passage containing a throttle valve, and provided with passages to the outside from points upstream and downstream of the throttle valve, an auxiliary air regulator comprising a mounting block within w... | 01/19/1982 |
| 4308219 | Tamper resistant choke cover A carburetor improvement for inhibiting tampering with a thermostatic choke coil after carburetor manufacture. A cover (3) fits over a choke coil housing (H) to enclose a choke lever, the thermostatic coil being mounted inside the cover. The cover has a c... | 12/29/1981 |
| 4303598 | Vacuum control assembly A vacuum control assembly wherein a vacuum motor is operated at a delayed rate in one direction under the control of a valve assembly holding a filter and valve closure element all supported in operating position without requiring the use of fasteners, pr... | 12/01/1981 |
| 4297980 | Motor vehicle carburetor choke mechanism An automotive type carburetor is provided with a choke construction that assures opening of the choke valve without the use of vacuum in the event of an electrical failure in the choke assembly, or a failure in the secondary air pump system of the engine;... | 11/03/1981 |
| 4298549 | Carburetor Disclosed is a carburetor which regulates the supply of fuel and air in response to the vacuum pressure conditions in the mixing chamber between a downstream butterfly throttle valve and an upstream butterfly air valve. Liquid fuel is supplied to the mixi... | 11/03/1981 |
