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| Number | Title | Issue Date |
| 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 (14). A fuel line (54... | 04/29/2008 |
| 7331326 | Carburetor automatic control system in engine A carburetor automatic control system in an engine includes, a temperature-sensitive operating device for operating a choke valve so that the choke valve is opened with a temperature increase of the engine and a governor for opening and closing a throttle valve to m... | 02/19/2008 |
| 7278629 | Carburetor A flow rate control mechanism is provided to a low-speed fuel system that is independent from the main fuel system of a carburetor. The mechanism causes the valve element to move in a linear fashion by means of a cam coupled to the throttle stem. The mechanism incre... | 10/09/2007 |
| 7267669 | Two site infusion apparatus An apparatus for use in delivering pain medication to separate locations from a single source of pressurized medication includes a valve housing, a cap, and a flexible diaphragm. The valve housing includes a first end and a second end and an inlet passage. The first... | 09/11/2007 |
| 7188481 | Adjustable damper actuator An actuator for controlling the position of a damper. It is an adjustable damper actuator that can actuate a damper to have positions that are other than fully open and fully closed. The actuator has adjustable stops for attaining a partially closed or partially ope... | 03/13/2007 |
| 7152852 | Priming system for a float bowl carburetor A float bowl type carburetor has a fuel and air mixing passage extending therethrough, a float bowl assembly, a priming pump communicated with the float bowl assembly and a fuel supply pipe that is communicates fuel in the float bowl assembly with the fuel and air m... | 12/26/2006 |
| 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 |
| 7128036 | Autochoke controller An auto-choke control device maintains good startability at the time of restarting at high temperature without need of a thermostat specific for an auto-choke. An engine temperature detection device is drivably controlled by a control circuit in response to the engi... | 10/31/2006 |
| 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 |
| 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 |
| 7104253 | Stratified scavenging carburetor In one presently preferred embodiment a stratified scavenging carburetor has a scavenging air passage with an air control valve and a fuel and air mixing passage with a throttle control valve, and a lost motion coupling associated with the valves to delay opening of... | 09/12/2006 |
| 7096877 | Method of establishing at least one enveloped flow in a channel With a method of establishing an enveloped flow in a channel, in the channel an envelopment area (3) with a channel section (6, 7) is configured to which a stub with an outlet is connected, where the stub, which can be configured as a polyhedron, is ar... | 08/29/2006 |
| 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 |
| 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 |
| 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 |
| 6941916 | Auto enrichener An auto-enrichener for an engine, including an enriching conduit for carrying fuel and air to an engine, and a valve disposed in the conduit. The valve is adjustable between at least an open configuration and a closed configuration. In the open configuration passage... | 09/13/2005 |
| 6901919 | System for controlling flow of intake air during start-up period of engine A system for controlling a flow of intake air in a secondary intake air passage during a start-up period of an internal combustion engine. A main intake air passage extends to an intake port of the engine. A throttle valve is located in the main intake air passage. ... | 06/07/2005 |
| 6851664 | Self-relieving choke valve system for a combustion engine carburetor A self-relieving choke valve system for a carburetor of a combustion engine automatically opens a choke valve after a successful engine start up and permits the choke valve to automatically close when the engine is shut down. The self-relieving choke valve system is... | 02/08/2005 |
| 6722638 | Control system for choke valve of carburetor A choke valve control system includes a choke-operating lever for opening and closing a choke valve of a carburetor, a choke spring for biasing the valve in an opening direction, and a damper for controlling the opening motion of the valve to a lower speed, when the... | 04/20/2004 |
| 6672570 | Variable venturi carburetor A variable venturi carburetor for a combustion engine has an uprighted cup-shaped piston head which forms an integral part of a venturi within a fuel-and-air mixing passage carried by a carburetor body, and a needle that projects rigidly downward from the... | 01/06/2004 |
| 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 |
| 6196524 | Fuel enrichment system Disclosed herein is a fuel supply system comprising a carburetor including a fuel bowl, an air induction passage including therein a venturi, a throttle valve located in the air induction passage downstream of the venturi, a fuel enrichment conduit commun... | 03/06/2001 |
| 6145487 | Automatic air inlet control system for an engine An automatic choke for a small internal combustion engine uses an air vane responsive to an air flow created by a radial fan to position the choke valve during engine starting. A return spring or gravity may be used to reset the automatic choke after the ... | 11/14/2000 |
| 5879594 | Temperature responsive pressure splitter A pressure splitter is made having a series or orifices, at least one of which has its effective size change with changes in temperature. This size change is provided by using materials with different thermal expansion rates, these different rates changin... | 03/09/1999 |
| 5700402 | Crankcase fuel injection system for two-cycle internal combustion engines A crankcase fuel injection system includes a diaphragm type fuel pump, a crankcase fuel injector assembly, and a main air inlet assembly. Engine crankcase pulses generated by the up and down movements of the piston are utilized by the fuel pump to repleni... | 12/23/1997 |
| 5527495 | Charge forming fuel system A fuel sensing diaphragm and an air sensing diaphragm apply opposing forces to a transfer member. The forces applied by the fuel sensing diaphragm are based upon the flow rate of fuel, and the forces applied by the air sensing diaphragm are based upon the... | 06/18/1996 |
| 5378411 | Automatic choke system for carburetor The present disclosure concerns an automatic choke system designed to make a whole carburetor shorter and more compact. The system comprises a case body having a generally inverted L-shape, with a thermo-element housed in a vertical portion of the case bo... | 01/03/1995 |
| 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 |
| 4788014 | Auto-choke device Two embodiments of choke mechanisms for internal combustion engines such as those of outboard motors embodying an automatic actuator for positioning the choke valve in reponse to temperature variations and a mechanical actuator for permitting manual opera... | 11/29/1988 |
| 4630578 | Apparatus for controlling the position of a throttle device disposed in the intake tube of an internal combustion engine An apparatus is proposed which serves to control the position of a throttle device disposed in the intake tube of an internal combustion engine. The apparatus includes a lever, which is joined to a shaft of the throttle device and has both a stop screw ar... | 12/23/1986 |
| 4619286 | Elevation responsive automatic vehicle control system An altitude compensation unit for governing the combustion mixture in an automotive vehicle engine carburetor in response to changes in altitude above a predetermined altitude comprising a housing, an aneroid bellows anchored to the housing, and a force b... | 10/28/1986 |
| 4564481 | Apparatus for starting and warming up an internal combustion engine An apparatus for controlling the opening degree of a throttle valve during starting and warming up of an internal combustion engine, has the following constituents: a fast idle cam which operates to progressively decrease the opening degree of the throttl... | 01/14/1986 |
| 4517134 | Variable venturi carburetor In a variable venturi carburetor in which the metering jet portion of fuel changes automatically according to the amount of intake air required to keep the mixture at a constant air-to-fuel ratio at all times, two series-arranged nozzles and an auxiliary ... | 05/14/1985 |
| 4486362 | Process and arrangement for the formation of an ignitable mixture from liquid fuel and combustion air A process and an arrangement for the formation of an ignitable mixture from iquid fuel and combustion air, wherein preheated combustion air is conducted with a flow chamber along a surface which is moistened with fuel for take-up of fuel. In the process an... | 12/04/1984 |
| 4482508 | Altitude compensation device for internal combustion engine An altitude compensation device for internal combustion engines such as automotive engines. The device has a first diaphragm device and a second diaphragm device which are provided with a first diaphragm chamber and a second diaphragm chamber defined by a... | 11/13/1984 |
| 4477392 | Variable venturi-type carburetor A variable venturi-type carburetor comprising a vacuum chamber and an atmospheric pressure chamber which are separated by a suction piston. A needle is mounted on the central portion of the tip face of the suction piston. A suction hole, interconnecting t... | 10/16/1984 |
| 4476067 | Device for controlling the operation of a carburetor A device for controlling the operation of a carburetor comprising a wax valve fitted into a bore formed in the device housing. A wax valve holder is fitted into the bore so as to surround the temperature sensitive portion of the wax valve. A cooling water... | 10/09/1984 |
| 4473510 | Carburetor having air fuel ratio adjusting means In a carburetor system having a main fuel passage for supplying fuel from a float chamber to a main fuel discharge nozzle and an air bleed pipe inserted into the main fuel passage, there is provided an auxiliary air introduction passage for additionally s... | 09/25/1984 |
| 4472321 | Altitude compensation apparatus for carburetor An altitude compensation device for a carburetor including a chamber in communication with the atmosphere, an air bleed port conducting atmosphere from the chamber, a primary conduit providing fluid communication between the chamber and the fuel system of... | 09/18/1984 |
| 4472326 | Variable venturi-type carburetor A variable venturi-type carburetor comprising a fuel passage which is open to an intake passage. An air bleed passage is connected to the fuel passage. The carburetor comprises an air bleed control valve device for controlling the flow area of the air ble... | 09/18/1984 |
