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| Number | Title | Issue Date |
| 8215286 | Electronic control system for carburetor An electronic control system for a carburetor, includes: a transmission device linked to a valve; an electric actuator for driving the valve; and an electronic control unit for controlling operation of the electric actuator, the electric actuator being disposed betw... | 07/10/2012 |
| 7882822 | Method for driving an electromagnetic actuator in a diaphragm carburettor for control of air/fuel ratio Method for driving an electromagnetic actuator in a diaphragm carburettor for control of air/fuel ratio foresees at least the following steps: associating an electromagnetic actuator in a diaphragm carburettor for control of air/fu... | 02/08/2011 |
| 7603983 | Carburetor and method of operating the same A carburetor (1, 51) has an intake channel (2) wherein a throttle element and a choke element are arranged with the choke element being upstream of the throttle element. The choke element is displaceable between an operating position (8) and at ... | 10/20/2009 |
| 7509941 | Apparatus and method for adjusting air-to-fuel ratio for small gasoline engine An apparatus and method for use with a carbureted internal combustion engine that accurately controls the amount of fuel that passes through the carburetor into the combustion chamber of the engine. A controlled triggering system controls the activation and deactiva... | 03/31/2009 |
| 7359789 | Control system for an internal combustion engine and a vehicle having the same The invention provides a control system for an internal combustion engine of a vehicle. The control system includes a sensor controller and an engine controller. The sensor controller includes a first interface configured to be connected to a sensor coupled to the e... | 04/15/2008 |
| 7341044 | Method and control device for regulating the air-fuel mixture provided to an engine A method and device is provided for regulating the air-fuel mixture provided to an engine of a stand-by electrical generator during the exercise thereof. The engine is exercised at a predetermined speed less than the normal operating speed of the engine and each cyl... | 03/11/2008 |
| 7327045 | Fuel delivery system and method providing regulated electrical output In a mobile fuel delivery vehicle, providing bulk aircraft fuel from a pressurized fuel reservoir to an aircraft, a method of regulating electrical output of an electrical power source, includes the steps of: (a) receiving, in a fluid path, the bulk aircraft fuel fr... | 02/05/2008 |
| 7303144 | Reduction in hydrocarbon emission via spray pattern control through fuel pressure control in fuel injection systems Among other aspects shown and described, a fuel supply apparatus that provides multiple fuel spray targeting angles as a function of fuel pressure towards a combustion chamber of an engine to reduce hydrocarbon emission during cold-start or hot-start. A method and f... | 12/04/2007 |
| 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 |
| 7284522 | Automatic choke A choke valve is controlled finely suited to the running state of an engine. A throttle valve 8 and a choke valve 9 are provided in series on an intake pipe 6, and the opening degree of the choke valve 9 is controlled by a stepping motor ... | 10/23/2007 |
| 7263961 | Gas directing system and method An gas directing/exhaust system and method are provided. The gas directing system has an gas directing mechanism. The gas directing mechanism has different embodiments. In some embodiments, the gas directing mechanism has a first pathway and a second pathway. In oth... | 09/04/2007 |
| 7264230 | Carburetor and solenoid assemblies and methods of assembling the same An engine carburetor and a solenoid valve assembly therefor and methods of assembling the same. The carburetor has a body with a fuel and air mixing passage communicating with an air bleed passage. A cavity extends into the body for communication with the air bleed ... | 09/04/2007 |
| 7264224 | Valve with offset venturi A valve is disclosed having a valve closing member that divides the valve bore into passageways of unequal cross sectional areas when in an open position. A venturi is positioned within the valve bore upstream of the valve closing member. The throat of the venturi m... | 09/04/2007 |
| 7228843 | Internal combustion engine having a carburetor and a starting device A two-stroke engine has an intake channel via which the engine (1) is supplied with an air/fuel mixture prepared in a carburetor (12). The engine also has a starting device (19, 40) for enrichment of the air/fuel mixture during the start operati... | 06/12/2007 |
| 7213555 | Automatic choke A choke valve is controlled finely suited to the running state of an engine. A throttle valve 8 and a choke valve 9 are provided in series on an intake pipe 6, and the opening degree of the choke valve 9 is controlled by a stepping motor.... | 05/08/2007 |
| 7211971 | Linear actuator A linear actuator having a housing, a plunger slidably mounted to the housing between an extended and retracted position, and an electric motor drivingly connected to the plunger to move the plunger between its extended and retracted positions. A motor circuit contr... | 05/01/2007 |
| 7207318 | Method for operation of a device for energy conversion using a main fuel and at least one auxiliary fuel A method for operating a converter for the energy conversion of fuel from at least one main fuel supply, and from at least one auxiliary fuel supply for operating the converter directly and/or by operating an auxiliary unit, comprises: detecting the amount of fuel i... | 04/24/2007 |
| 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 |
| 7191051 | Method and apparatus for operating an injection system in an internal combustion engine In a method and an apparatus for operating an injection system of an internal combustion engine, triggering of an injection actuator being performed on the basis of at least one state variable of the injection system, in order to enhance the quantitative accuracy wi... | 03/13/2007 |
| 7171947 | Electrically-actuated throttle device for general-purpose engine In an electrically-actuated throttle device for a general-purpose engine, supply of current to the throttle motor and choke motor for moving the throttle valve and choke valve is started when cranking is detected after activation (power-up) of the electronic control... | 02/06/2007 |
| 7166003 | Engine control arrangement for watercraft A control system for watercraft includes a mode switch allowing the watercraft to be operated in a number of different modes. The modes selectable by the rider can include a normal mode, a reduced output mode, a suppressed acceleration mode, an enhanced acceleration... | 01/23/2007 |
| 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 |
| 7156073 | Idle speed control apparatus in throttle body for single cylinder A single idle air control passage (5) open toward a suction air passage (2a) downstream from a throttle valve (4), a starter passage (6) and an air screw passage (7) independently branched from an upstream side passage (5... | 01/02/2007 |
| 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 path (25) and an acceleration fuel discha... | 12/05/2006 |
| 7140352 | Method for controlling an electromagnetic valve in a fuel system A method is for controlling the metering of fuel in a fuel system (30) of an internal combustion engine (1) which is to be started manually. This control is with a currentless open electromagnetic valve (21). The electromagnetic valve (21... | 11/28/2006 |
| 7139687 | Adaptive lookup table: a graphical simulation component for recursively updating numeric data stored in table form A graphical block that defines the functionality of a lookup table and can be used in a block diagram model to capture time-varying characteristics of a system's behavior in the lookup table is presented. The block uses input and output data of the system to dynamic... | 11/21/2006 |
| 7131431 | Electronic pressure regulator The present invention relates to an electronic pressure regulator that can be used for gaseous fuel control on internal combustion engines. More particularly, the present invention relates to an electronic pressure regulator that has direct acting electro-mechanical... | 11/07/2006 |
| 7117834 | Automatic choke A choke valve is controlled finely suited to the running state of an engine. A throttle valve 8 and a choke valve 9 are provided in series on an intake pipe 6, and the opening degree of the choke valve 9 is controlled by a stepping motor ... | 10/10/2006 |
| 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 |
| 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 |
| 7077110 | Return fuel temperature control module A return fuel temperature control module is adapted for use in controlling the temperature of fuel diverted away from an engine and returned to a fuel tank. The module includes a housing formed to include passageways and a flow controller to control flow of fuel thr... | 07/18/2006 |
| 7051514 | System and method for reducing NOx emissions after fuel cut-off events A method of controlling exhaust emission oxides of nitrogen (NOx) from an internal combustion engine (ICE) includes the steps of determining when an engine speed is below a first predetermined level, and controlling an oxygen displacement valve (ODV) such that at le... | 05/30/2006 |
| 7040287 | Fuel dosage device The invention relates to a fuel metering device comprising a fuel chamber, a fuel inlet which can be opened and closed and leads to the fuel chamber, and at least one fuel outlet leading from the fuel chamber to a suction channel of an internal combustion engine. Pa... | 05/09/2006 |
| 7028993 | Charge forming apparatus A charge forming apparatus for delivering a controlled mixture of fuel-and-air to an engine has a butterfly-type throttle-choke valve disposed in a fuel-and-air mixing passage. Incoming air flowing through a downstream primary venturi of the mixing passage creates a... | 04/18/2006 |
| 7024302 | Air-fuel ratio control system and method for an internal combustion engine, and engine control unit An air-fuel ratio control system for an internal combustion engine, which is capable of quickly and properly eliminating variation in air-fuel ratio between a plurality of cylinders. The air-fuel ratio control system 1 controls the amount of fuel to be suppli... | 04/04/2006 |
| 7021289 | Reducing engine emissions on an engine with electromechanical valves A system and method to control engine valve timing to improve the start of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions during the start of an internal combustion engine. ... | 04/04/2006 |
| 7000595 | Ignition timing control system for light duty combustion engines A control system for a low cost, light duty combustion engine, where the control system generally utilizes engine speed and/or temperature input signals and independent operating sequences to determine a desired ignition timing and air-to-fuel ratio for a combustibl... | 02/21/2006 |
| 6945231 | Fuel gas mixer In a fuel gas mixer 1 including a throttle valve 4 provided in an air intake passage 2 connected to an engine for opening and closing the air intake passage 2 and a fuel gas supply passage 6 connected to the air intake passage 2... | 09/20/2005 |
| 6932058 | Carburetor arrangement for an internal combustion engine A carburetor arrangement is provided for an internal combustion engine that is to be started with a pull cord. A fuel channel that is connected with a fuel-filled storage space opens into and supplies fuel to an intake channel portion as a function of the underpress... | 08/23/2005 |
| 6910460 | Engine air-fuel ration control method with venturi type fuel supply device and fuel control appliance including the method An object of the present invention is to maintain stable air-fuel ratio on a venturi type fuel supply device, irrespective of the external load such as air-conditioner and electrical load, and to provide stable engine speed on idling state. A venturi type fue... | 06/28/2005 |
