A system for controlling an electronic throttle body includes an engine speed setting device having a first terminal coupled to a source for a reference voltage, a second terminal coupled to a first end of a conductor and means for varying a level of resistance between the first and second terminals. The level of resistance is indicative of a desired engine speed. The second terminal outputs an analog engine speed signal indicative of the desired engine speed on the conductor. An electronic control module includes an engine speed signal processing circuit including a resistor coupled between a node located between the first and second ends of the conductor and one of a voltage supply and a voltage return. A controller coupled to the second end of the conductor is configured to generate a control signal for the electronic throttle body responsive to the engine speed signal.
In at least some implementations, a charge forming device includes a body that has a throttle bore, a throttle valve associated with the throttle bore, a coupler and an actuator. The throttle has a valve head received within and movable relative to the throttle bore, and a valve shaft to which the valve head is coupled. The coupler is connected to the valve shaft and carries or includes a sensor element. And the actuator has a drive shaft coupled to the coupler so that rotation of the drive shaft is transmitted to the coupler and the valve shaft.
A fuel supply device includes a main body, fuel chamber, fuel supply pipe and a fuel valve. The main body has a main bore with an inlet for air and an outlet through which a fuel and air mixture flows. The fuel chamber retains a supply of fuel. The fuel supply pipe has a passage communicating with the main bore and through which fuel from the fuel chamber flows to the main bore. And the fuel valve has a valve seat, a valve element movable relative to the valve seat between an open position and a closed position, an inlet upstream of the valve seat and is in communication with the fuel chamber, and an outlet downstream of the valve seat. The outlet is coaxially aligned with the passage of the fuel supply pipe and the fuel valve is electrically operated to move the valve element.
A mixing system for a power washer includes an electrically actuated valve communicated with a supply of a working fluid, and having a valve head that is movable between open and closed positions to control the flow rate of the working fluid through an outlet of the valve. The outlet of the valve is communicated with a fluid passage of the power washer to enable flow of the working fluid into a primary fluid and discharge of a mixture of the primary fluid and working fluid from the power washer when the valve is open, and to provide a flow of primary fluid from the power washer when the valve is closed.
A charge forming device for a combustion engine includes a throttle body having a throttle bore, an air passage having at least a portion in which air flows separate from the throttle bore and a throttle valve with a valve head movable relative to the throttle body. A nozzle body has a fuel passage and a feed passage, the fuel passage is arranged to receive fuel that exits a fuel outlet of a fuel metering valve, and the fuel passage is communicated with a fuel chamber through which fluid flows into the throttle bore, and the feed passage is communicated with the air passage to receive air from the air passage and the feed passage is communicated with the fuel passage upstream of the fuel chamber, wherein air in the feed passage is mixed with fuel in the fuel passage upstream of the fuel chamber.
A fuel supply assembly includes a reservoir, primary and secondary fuel pumps and a pressure regulator. The secondary fuel pump has first and second inlets, and an outlet. The first inlet receives at least some fuel discharged from a pressure regulator outlet, a nozzle communicated with the first inlet so that a flow of fuel through the nozzle creates a drop in pressure in the area of the second fuel inlet to draw fuel from the supply of fuel through the second inlet and the fuel drawn in through the second fuel inlet is combined with the flow of fuel from the nozzle and the combined fuel flows are discharged from the secondary fuel pump outlet and into the reservoir. The primary fuel pump may be located outside of an interior of the reservoir and the secondary fuel pump may be connected to the reservoir by rigid or flexible conduits.
In at least some implementations, a charge forming device includes a main body having a throttle bore, a throttle valve, a housing and a circuit board including a throttle position sensor and a pressure sensor. The throttle valve is received at least partially within the valve bore, is rotatable between an idle position and a second position, and includes a magnet that is rotated when the throttle valve rotates. The housing is carried by the main body, and the circuit board is carried by the housing. A signal path is defined leading from the pressure sensor to a pressure source, the signal path includes a liquid collection area located below a gaseous area with respect to gravity.
In at least some implementations, a method of controlling fuel injection events, includes determining at least one engine operating condition, determining timing of a desired pressure in an engine intake chamber or at the outlet of a fuel injector, and initiating a fuel injection event as a function of the at least one engine operating condition and the desired pressure. The fuel injection event is initiated prior to the desired pressure occurring and wherein the fuel injection event occurs for a duration such that the fuel injection event terminates after the desired pressure occurs.
In at least some implementations, a jet pump includes a main body having a first inlet, an inlet passage communicated with the inlet, a second inlet, an intake passage communicated with the second inlet, an outlet, and an outlet passage communicated with the outlet and with the intake passage, a jet carried by the main body and having a jet inlet communicated with the inlet passage so that fluid flowing in the inlet passage flows through the jet inlet, and a jet outlet having a flow area less than the jet inlet and less than the inlet passage. The main body is formed in one piece and the jet is a separate piece of material that is inserted into the inlet passage after the main body has been formed.
In at least some implementations, a charge forming device includes a body that has a throttle bore, a throttle valve associated with the throttle bore, a coupler and an actuator. The throttle has a valve head received within and movable relative to the throttle bore, and a valve shaft to which the valve head is coupled. The coupler is connected to the valve shaft and carries or includes a sensor element. And the actuator has a drive shaft coupled to the coupler so that rotation of the drive shaft is transmitted to the coupler and the valve shaft.
A fuel supply device includes a main body, fuel chamber, fuel supply pipe and a fuel valve. The main body has a main bore with an inlet for air and an outlet through which a fuel and air mixture flows. The fuel chamber retains a supply of fuel. The fuel supply pipe has a passage communicating with the main bore and through which fuel from the fuel chamber flows to the main bore. And the fuel valve has a valve seat, a valve element movable relative to the valve seat between an open position and a closed position, an inlet upstream of the valve seat and is in communication with the fuel chamber, and an outlet downstream of the valve seat. The outlet is coaxially aligned with the passage of the fuel supply pipe and the fuel valve is electrically operated to move the valve element.
A throttle body assembly for a combustion engine includes a throttle body having a pressure chamber including a supply of liquid fuel, and a throttle bore with an inlet through which air is received. A throttle valve is carried by the throttle body with a valve head movable relative to the throttle bore. A metering valve is coupled to the throttle body, and has a valve element that is movable between open and closed positions. A boost venturi is located in the throttle bore and has an inner passage that is open at both ends to the throttle bore. The boost venturi has an opening through which fuel flows into the inner passage when the valve element is in the open position, wherein fuel flows from the pressure chamber to the metering valve under the force of gravity or under a pressure of less than 6 psi.
F02D 9/10 - Throttle valves specially adapted thereforArrangements of such valves in conduits having pivotally-mounted flaps
F02M 7/18 - Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel-metering orifice
F02M 19/02 - Metering-orifices, e.g. variable in diameter
F02M 63/00 - Other fuel-injection apparatus having pertinent characteristics not provided for in groups or Details, component parts or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups or
A throttle body has a throttle bore with an inlet, an outlet and an air passage. A throttle valve has a valve head received within the throttle bore. A fuel metering valve is mounted on the throttle body and has a valve element and a fuel outlet, the valve element is movable relative to a valve seat to control fuel flow through the fuel outlet. And the nozzle body is carried by the throttle body and has a fuel passage and a feed passage. The fuel passage is arranged to receive fuel that exits the fuel outlet, and is communicated with a fuel chamber through which fluid flows into the throttle bore. The feed passage is communicated with the air passage and with the fuel passage upstream of the fuel chamber. Air in the feed passage is mixed with fuel in the fuel passage upstream of the fuel chamber.
In at least some implementations, a method of controlling fuel injection events, includes determining at least one engine operating condition, determining timing of a desired pressure in an engine intake chamber or at the outlet of a fuel injector, and initiating a fuel injection event as a function of the at least one engine operating condition and the desired pressure. The fuel injection event is initiated prior to the desired pressure occurring and wherein the fuel injection event occurs for a duration such that the fuel injection event terminates after the desired pressure occurs.
In at least some implementations, a fuel system includes a first fuel pump and a first switch adapted to be coupled to a power supply, and a second fuel pump adapted to be coupled to the power supply. A conductor is provided between a first node between the first fuel pump and the first switch and a second node to which the second fuel pump is electrically coupled or electrically communicated so that depending upon the state of the first switch power may be supplied to the first fuel pump and second fuel pump in series or in parallel.
In at least some implementations, a method of forming a diaphragm for a liquid pump, includes clamping a substantially planar piece of material about a periphery, and plastically deforming the piece of material inboard of the clamped periphery. In at least some implementations, the material is plastically deformed by pressing a forming member against the material, or the material is plastically deformed by applying a fluid under pressure against the material.
A system for controlling an electronic throttle body includes an engine speed setting device having a first terminal coupled to a source for a reference voltage, a second terminal coupled to a first end of a conductor and means for varying a level of resistance between the first and second terminals. The level of resistance is indicative of a desired engine speed. The second terminal outputs an analog engine speed signal indicative of the desired engine speed on the conductor. An electronic control module includes an engine speed signal processing circuit including a resistor coupled between a node located between the first and second ends of the conductor and one of a voltage supply and a voltage return. A controller coupled to the second end of the conductor is configured to generate a control signal for the electronic throttle body responsive to the engine speed signal.
F02D 11/10 - Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
F02D 9/02 - Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
In at least some implementations, a charge forming device includes a main body having a throttle bore, a throttle valve, a housing and a circuit board including a throttle position sensor and a pressure sensor. The throttle valve is received at least partially within the valve bore, is rotatable between an idle position and a second position, and includes a magnet that is rotated when the throttle valve rotates. The housing is carried by the main body, and the circuit board is carried by the housing. A signal path is defined leading from the pressure sensor to a pressure source, the signal path includes a liquid collection area located below a gaseous area with respect to gravity.
In at least some implementations, a charge forming device includes multiple throttle bores, an inlet chamber in which fuel is received, at least one fuel passage communicating the inlet chamber with the throttle bores, and a valve having an inlet in communication with the inlet chamber, an outlet and a valve head that is movable and allows flow from the inlet chamber through the outlet when the pressure in the inlet chamber is greater than a threshold pressure.
F02M 9/08 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
F02M 19/02 - Metering-orifices, e.g. variable in diameter
An assembly for an engine includes a control module including a controller operable to control at least certain aspects of the operation of the engine, a display including an input connected to the controller, and a wireless receiver connected to the controller. The wireless receiver is arranged to receive a signal from a wireless device to cause the controller to send an engine start signal to cause starting of the engine and wherein the input when actuated causes the controller to send an engine start signal to cause starting of the engine. In at least some implementations, no keyed ignition switch is provided to start the engine and the engine is started only via the wireless device or the input.
F02D 29/00 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F02D 41/06 - Introducing corrections for particular operating conditions for engine starting or warming up
G05B 15/02 - Systems controlled by a computer electric
F02D 9/02 - Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
F02D 9/10 - Throttle valves specially adapted thereforArrangements of such valves in conduits having pivotally-mounted flaps
F02D 29/04 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving pumps
21.
Engine ignition system with multiple ignition events
In at least some implementations, a method of controlling spark events in a combustion engine, includes determining change in voltage at an input of a sensor during an engine revolution, and providing at least two spark event signals to attempt to provide at least two spark events in the engine during the engine revolution. In at least some implementations, the engine revolution is within a first threshold number of engine revolutions from attempted starting of the engine. In at least some implementations, the first threshold may include the first and up to ten engine revolutions from attempted starting of the engine.
F02P 15/08 - Electric spark ignition having characteristics not provided for in, or of interest apart from, groups having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders
In at least some implementations, a charge forming device includes a body that has a throttle bore, a throttle valve associated with the throttle bore, a coupler and an actuator. The throttle has a valve head received within and movable relative to the throttle bore, and a valve shaft to which the valve head is coupled. The coupler is connected to the valve shaft and carries or includes a sensor element. And the actuator has a drive shaft coupled to the coupler so that rotation of the drive shaft is transmitted to the coupler and the valve shaft.
A throttle body may have a main bore for supplying a fuel and air mixture to an engine. A throttle valve head may be received in the main bore and movable between idle and wide open positions to control fluid flow through the main bore. A main fuel outlet and a boost venturi may open to the main bore and a flow directing feature may alter the velocity and/or direction of fluid flow in the main bore relative to the fuel outlet or boost venturi. The flow directing feature may be carried by the body, the throttle valve head, or the boost venturi.
F02D 9/10 - Throttle valves specially adapted thereforArrangements of such valves in conduits having pivotally-mounted flaps
F16K 3/06 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
F02M 17/34 - Other carburettors combined or associated with other apparatus, e.g. air filters
A fuel supply assembly includes a reservoir, primary and secondary fuel pumps and a pressure regulator. The secondary fuel pump has first and second inlets, and an outlet. The first inlet receives at least some fuel discharged from a pressure regulator outlet, a nozzle communicated with the first inlet so that a flow of fuel through the nozzle creates a drop in pressure in the area of the second fuel inlet to draw fuel from the supply of fuel through the second inlet and the fuel drawn in through the second fuel inlet is combined with the flow of fuel from the nozzle and the combined fuel flows are discharged from the secondary fuel pump outlet and into the reservoir. The primary fuel pump may be located outside of an interior of the reservoir and the secondary fuel pump may be connected to the reservoir by rigid or flexible conduits.
F02M 37/10 - Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
F02M 37/18 - Feeding by means of driven pumps characterised by provision of main and auxiliary pumps
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
F02M 37/44 - Filters structurally associated with pumps
In at least some implementations, a fuel metering valve, includes a bobbin defining a passage and having one or more voids in the surface of the bobbin that defines the passage, aa wire coil around the bobbin and an armature. The armature is received within the passage in the bobbin and movable relative to the bobbin from a first position to a second position when electricity is supplied to the wire coil.
In at least some implementations, a jet pump includes a main body having a first inlet, an inlet passage communicated with the inlet, a second inlet, an intake passage communicated with the second inlet, an outlet, and an outlet passage communicated with the outlet and with the intake passage, a jet carried by the main body and having a jet inlet communicated with the inlet passage so that fluid flowing in the inlet passage flows through the jet inlet, and a jet outlet having a flow area less than the jet inlet and less than the inlet passage. The main body is formed in one piece and the jet is a separate piece of material that is inserted into the inlet passage after the main body has been formed.
F02M 37/02 - Feeding by means of suction apparatus, e.g. by air flow through carburettors
F02M 37/44 - Filters structurally associated with pumps
F02M 37/48 - Filters structurally associated with fuel valves
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
In at least some implementations, a fuel pump assembly includes a first fuel pump and a second fuel pump that each have an electric motor, a pumping element driven by the motor, an inlet and an outlet through which fuel is discharged. The assembly also includes a passage communicated with the outlet of the first fuel pump and with the outlet of the second fuel pump, a fuel outlet in communication with the passage and through which fuel exits the fuel pump assembly, and a valve having an inlet in communication with the passage between the outlet of the first fuel pump and the outlet of the second fuel pump. The valve also having an outlet through which fuel exits the passage and a valve body that controls fuel flow through the valve.
A charge forming device for a combustion engine includes a housing, a throttle valve and a vent valve. The housing has a throttle bore, an inlet chamber in which a supply of fuel is received, and a vent communicating with the inlet chamber. The throttle valve has a valve head movable relative to the throttle bore to control fluid flow through the throttle bore. The vent valve has a vent inlet in communication with the vent, a valve element having a closed position and an open position in which fluid may flow through the vent inlet. The vent valve has a pressure signal inlet in communication with a pressure source, and a vent outlet. A pressure signal is provided through the pressure signal inlet to cause the valve element to move between the open position and closed position to control fluid flow to and through the vent outlet.
F02M 7/14 - Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel spray nozzle
F02M 7/22 - Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves fuel flow cross-sectional area being controlled dependent on air-throttle-valve position
F02M 25/08 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
F02M 9/12 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having other specific means for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers
In at least some implementations, a device includes a fuel system component having a body through which fuel flows, and a retention member body connected to the body of the fuel system component, the retention member body having one or more retainers that are flexible and resilient, and that extend outwardly from the retention member body and that are arranged to engaged spaced apart portions of an interior of a fuel tank to retain the position in the fuel tank of the fuel system component.
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
In at least some implementations, a locking plate may be received between the cover plate and the adjustable valve and be movable to a first position permitting access to the adjustable valve and a second position inhibiting or preventing access to the adjustable valve. In some implementations, a latch assembly may releasably retain the locking plate in its second position. The latch assembly may include a finger carried by the locking plate and releasably engageable with a stop when the locking plate is in its second position.
F02M 7/14 - Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel spray nozzle
F16B 41/00 - Measures against loss of bolts, nuts, or pinsMeasures against unauthorised operation of bolts, nuts, or pins
In at least some implementations, an assembly includes a reservoir, a primary fuel pump having an inlet in communication with the reservoir's internal volume, an outlet, a motor and a pumping element driven by the motor and a secondary fuel pump with a body having first and second inlets and an outlet. The first inlet receives fuel from the primary fuel pump and a nozzle is communicated with the first inlet and fuel flows out of the nozzle into the body via the first inlet. The second inlet is in communication with the reservoir inlet, and the outlet is in communication with the internal volume. The flow of fuel through the nozzle draws fuel from the fuel source through the second fuel inlet and that fuel is combined with the flow of fuel from the nozzle and discharged into the reservoir.
In at least some implementations, a method of assembling an electromechanical valve includes positioning the armature stop in a first position at a first distance from a valve seat, actuating the valve to move an armature away from the valve seat, providing a fluid flow to the valve, determining a fluid flow characteristic, and as a function of the fluid flow characteristic, moving the armature stop relative to the valve seat to a second position that is at a distance other than the first distance.
In at least some implementations, a system for communicating threshold conditions for use of a powered device to a user, includes an engine, a controller coupled to the engine to control starting of the engine and a first indicator associated with a first threshold condition. The first indicator has a first state when the threshold condition is not satisfied and the first indicator has a second state when the threshold condition is satisfied, and the first indicator is coupled to the controller so that the controller is responsive to a change of the state of the first indicator, and wherein the controller is adapted to provide information for display that is indicative of the state of the first indicator.
A throttle body assembly for a combustion engine includes a throttle body having a pressure chamber including a supply of liquid fuel, and a throttle bore with an inlet through which air is received. A throttle valve is carried by the throttle body with a valve head movable relative to the throttle bore. A metering valve is coupled to the throttle body, and has a valve element that is movable between open and closed positions. A boost venturi is located in the throttle bore and has an inner passage that is open at both ends to the throttle bore. The boost venturi has an opening through which fuel flows into the inner passage when the valve element is in the open position, wherein fuel flows from the pressure chamber to the metering valve under the force of gravity or under a pressure of less than 6 psi.
F02M 7/18 - Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel-metering orifice
F02M 63/00 - Other fuel-injection apparatus having pertinent characteristics not provided for in groups or Details, component parts or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups or
35.
Charge forming device with electrically actuated vapor separator vent valve
A charge forming device includes a housing having an inlet chamber in which a supply of fuel is received, a vent passage communicating with the inlet chamber and a throttle bore with an inlet through which air is received, a throttle valve carried by the housing with a valve head movable relative to the throttle bore to control fluid flow through the throttle bore, a vent valve. The vent valve is carried by the housing and has a valve element that is movable between an open position wherein fluid may flow from the inlet chamber through the vent passage and a closed position where fluid is prevented or inhibited from flowing out of the inlet chamber through the vent passage, the vent valve being electrically actuated, and wherein the vent valve is actuated as a function of a pressure within the inlet chamber or the vent passage.
F02D 41/02 - Circuit arrangements for generating control signals
F02M 9/08 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
F02M 9/10 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having valves, or like controls, of elastic-wall type for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers
F02M 25/08 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
In at least some implementations, a charge forming device for a combustion engine, includes a throttle body with a throttle bore with an inlet and an outlet from which a fuel and air mixture exits the throttle bore, a throttle valve with a valve head movable between a first position and a second position, an inlet fuel chamber in which a supply of liquid fuel is received, and a fuel metering valve located in a fuel circuit between the inlet fuel chamber and the throttle bore. The inlet fuel chamber has a portion located below an inlet of the fuel metering valve and fuel enters the fuel metering valve from an area below the fuel metering valve, where below is relative to gravity.
F02M 69/22 - Low-pressure fuel-injection apparatus characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of injectors the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air the device comprising a member movably mounted in the air intake conduit and displaced according to the quantity of air admitted to the engine
37.
Engine ignition control unit for improved engine starting
In at least some implementations, a method of operating an ignition system for a combustion engine includes charging an energy storage device during at least a portion of the time when the engine is operating, permitting the level of energy stored on the charge storage device to decrease over time after the engine ceases to operate, determining the energy level on the energy storage device when the engine is restarted after having ceased operating, and setting at least one engine operational parameter as a function of the determined energy level. In at least some implementations, the at least one engine operational parameter may include one or more of: richness of a fuel and air mixture to be delivered to the engine, ignition timing, desired engine idle speed.
F02P 3/06 - Other electric spark ignition installations characterised by the type of ignition power generation storage having capacitive energy storage
F02P 5/14 - Advancing or retarding electric ignition sparkControl therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using mechanical means dependent on specific conditions other than engine speed or engine fluid pressure, e.g. temperature
In at least some implementations, a method of controlling fuel injection events, includes determining at least one engine operating condition, determining timing of a desired pressure in an engine intake chamber or at the outlet of a fuel injector, and initiating a fuel injection event as a function of the at least one engine operating condition and the desired pressure. The fuel injection event is initiated prior to the desired pressure occurring and wherein the fuel injection event occurs for a duration such that the fuel injection event terminates after the desired pressure occurs.
In at least some implementations, an adapter, for a fuel pump having a casing, has a base having an axis and an opening through which fluid may flow, and multiple tabs connected to the base. The tabs are circumferentially spaced apart with a void between at least part of the tabs, and at least two tabs have a contact portion that extends radially inwardly to define a minimum diameter opening between the tabs. Each contact portion extends along a portion less than all of the surface areas of the radially inner surface of the tabs.
A fuel system, including a first pump, a second pump and a filter module. The filter module has a housing defining an interior, a filter received in the interior, a filter inlet through which fluid flows into the interior, a filter outlet from which fluid flows out of the interior, and a vent body received within the interior. The vent body has a passage and a vent orifice. The filter is arranged so that fluid that enters the filter inlet flows through the filter before flowing out of the filter outlet and the interior includes an upper portion arranged above a lower portion relative to the force of gravity, and the passage communicates with the filter outlet and with the lower portion of the interior and the vent orifice communicates with the passage and with the upper portion of the interior.
F02M 25/08 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
In at least some implementations, a lamination stack includes a plurality of plates coupled together, each plate including at least one leg that collectively define a leg of the stack, with the leg of the stack arranged so that a wire coil may be arranged on the leg of the stack, and wherein the leg of the stack includes a location feature arranged to facilitate location of the stack relative to an adjacent component. In at least some implementations, the location feature may be integrally formed with at least one of the plates, and may be defined by a projection extending from a free end of at least one leg of the stack.
In at least some implementations, a charge forming system for a combustion engine includes a first fuel supply device having a first passage from which fuel is discharged for delivery to the engine and a second fuel supply device having a second passage from which fuel is discharged for delivery to the engine. The first passage communicates with the second passage so that the fuel in the first passage is combined with the fuel in the second passage.
F02M 15/04 - Carburettors with heating, cooling or thermal insulating means for combustion-air, fuel or fuel-air mixture with heating means, e.g. to combat ice-formation the means being electrical
In at least some implementations, a coupler for a spark plug includes a body formed from an electrically conductive material and including a first connecting portion defining a first cavity, and a second connecting portion defining a second cavity spaced from the first cavity, and the body includes an intermediate portion physically and electrically coupling the first connection portion and the second connecting portion. In at least some implementations, the first connecting portion is formed from a wire coiled to define the first cavity within the coil. In at least some implementations, the second connecting portion is formed from a wire coiled to define the second cavity within the coil.
H01T 13/04 - Means providing electrical connection to sparking plugs
H01R 4/14 - Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one anotherMeans for effecting or maintaining such contactElectrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by wrapping
H01R 24/20 - Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
H01T 13/20 - Sparking plugs characterised by features of the electrodes or insulation
44.
Fuel nozzle for a rotary throttle valve carburetor
A rotary throttle valve carburetor includes a main body, a throttle valve and a fuel nozzle. The main body has a main bore with an inlet and an outlet, a valve bore that intersects the main bore and a nozzle opening that communicates with the main bore. The throttle valve has a body received at least partially within the valve bore so that the valve body rotates about an axis and moves axially relative to the main body, and a valve passage therethrough. The fuel nozzle extends through the nozzle opening and into the valve passage, and has a fuel outlet received within the valve passage, an inner surface that defines part of a fuel passage through which fuel flows in the nozzle and to the fuel outlet, and an outer surface that includes a discontinuous portion with a varying radial dimension.
F02M 9/06 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having throttling valves, e.g. of piston shape, slidably arranged transversely to the passage with means for varying cross-sectional area of fuel spray nozzle dependent on throttle position
F02M 9/08 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
In at least some implementations, a solenoid valve includes a housing, a bobbin and an armature. The bobbin is received at least partially within the housing and has a body about which a coil is provided. A fluid flow path including an inlet and an outlet and a valve seat is defined by at least one of the housing or the bobbin, and the armature is moveable relative to the valve seat to control flow through the fluid flow path.
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
F16K 1/52 - Means for additional adjustment of the rate of flow
F02M 7/18 - Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel-metering orifice
F02M 19/02 - Metering-orifices, e.g. variable in diameter
In at least some implementations, a fuel pump assembly includes a fuel pump having an inlet through which fuel enters the fuel pump and a first outlet from which pressurized fuel is discharged for delivery to an engine, and a second outlet through which some of the fuel discharged from the fuel pump is routed wherein that fuel is not delivered to the engine, wherein the second outlet has a flow area that permits a flow of fuel through the second outlet that is sufficient to reduce the maximum pressure of fuel downstream of the first outlet for delivery to an engine to between 1/10th and 1/25th of the output pressure of the fuel pump without flow through the second outlet.
In at least some implementations, a system includes a pump having an electric motor and a pump outlet, a controller coupled to the pump to vary the power provided to the motor to vary the flow rate of liquid discharged from the pump outlet, a pressure regulator having an inlet communicated with the pump outlet, a regulator outlet from which liquid is discharged from the regulator, a bypass outlet through which liquid is discharged from the regulator, and a pressure responsive valve that opens to permit liquid flow through the bypass outlet, and a flow sensor. The flow sensor is communicated with the bypass outlet to sense or determine a flow rate of liquid at or downstream of the bypass outlet, the flow sensor also communicated with the controller to provide an indication of the bypassed liquid flow rate to the controller.
In at least some implementations, a charge forming device for a combustion engine includes a housing, a throttle valve and a vent valve. The housing has an inlet chamber in which a supply of fuel is received, a vent passage communicating with the inlet chamber and a throttle bore with an inlet through which air is received. The throttle valve is carried by the housing and has a valve head movable relative to the throttle bore to control fluid flow through the throttle bore. And the vent valve is electrically actuated, carried by the housing and has a valve element that is movable between an open position wherein fluid may flow from the inlet chamber through the vent passage and a closed position where fluid is prevented or inhibited from flowing out of the inlet chamber through the vent passage.
F02M 9/10 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having valves, or like controls, of elastic-wall type for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers
F02M 9/08 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
F02M 25/08 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
An assembly includes a mounting flange, support, carrier, reservoir and fuel pump. The mounting flange has a fluid passage extending through the mounting flange. The support is coupled to the mounting flange, and the carrier is coupled to the support with the weight of the carrier acting in compression on the support. The reservoir is carried by at least one of the carrier and the mounting flange with the weight of the reservoir acting on the carrier and/or the mounting flange, and the reservoir defining an interior. The fuel pump is carried by at least one of the carrier and the reservoir, the fuel pump has an inlet received within the reservoir interior and an outlet from which pressurized fuel is discharged from the fuel pump when the fuel pump is operating. The support defines at least part of a passage that is communicated with a fluid source.
F02M 37/10 - Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
In at least some implementations, a method of controlling spark events in a combustion engine, includes determining a change in voltage at an input of a sensor during an engine revolution, and providing at least two spark event signals to attempt to provide at least two spark events in the engine during the engine revolution. In at least some implementations, the engine revolution is within a first threshold number of engine revolutions from attempted starting of the engine. In at least some implementations, the first threshold may include the first and up to ten engine revolutions from attempted starting of the engine.
F02P 15/08 - Electric spark ignition having characteristics not provided for in, or of interest apart from, groups having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders
F02P 13/00 - Sparking plugs structurally combined with other parts of internal-combustion engines
In at least some implementations, a charge forming device includes a body that has a throttle bore, a throttle valve associated with the throttle bore, a coupler and an actuator. The throttle has a valve head received within and movable relative to the throttle bore, and a valve shaft to which the valve head is coupled. The coupler is connected to the valve shaft and carries or includes a sensor element. And the actuator has a drive shaft coupled to the coupler so that rotation of the drive shaft is transmitted to the coupler and the valve shaft.
In at least some implementations, a charge forming device includes multiple throttle bores, an inlet chamber in which fuel is received, at least one fuel passage communicating the inlet chamber with the throttle bores, and a valve having an inlet in communication with the inlet chamber, an outlet and a valve head that is movable and allows flow from the inlet chamber through the outlet when the pressure in the inlet chamber is greater than a threshold pressure.
F02M 9/08 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
F02D 9/10 - Throttle valves specially adapted thereforArrangements of such valves in conduits having pivotally-mounted flaps
F02M 47/02 - Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves, and having means for periodically releasing that closing pressure
In at least some implementations, a charge forming device includes a body having a main bore, a fuel metering assembly including a diaphragm that defines at least part of a fuel chamber from which fuel is provided to the main bore and a reference chamber separate from the fuel chamber, a passage communicated with a subatmospheric pressure source and with the reference chamber, and an electrically actuated valve having an open position and a closed position, and wherein the valve at least substantially prevents communication of the pressure source with the reference chamber when the valve is in the closed position and permits communication of the pressure source with the reference chamber when the valve is in the open position to vary the rate of fuel flow from the fuel chamber.
F02M 17/04 - Floatless carburettors having fuel inlet valve controlled by diaphragm
F02M 7/18 - Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel-metering orifice
F02B 63/02 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for hand-held tools
F02B 75/02 - Engines characterised by their cycles, e.g. six-stroke
F02M 19/02 - Metering-orifices, e.g. variable in diameter
An engine control and input system for a device having a tool driven by an engine, includes an input and control module having one or more inputs and a controller responsive to actuation of the inputs to permit user control of at least one engine operating parameter by user actuation of the inputs. The system may include a touch screen display that displays icons to the user relating to the inputs and the at least one engine operating parameter, and wherein the touch screen display is responsive to the user selecting one of the inputs by touching an associated one of the icons provided by the display. At least one of the inputs may relate to one or more of changing engine speed, starting the engine, causing the engine to drive the tool, turning on a light, actuating a heater or warmer or stopping engine operation.
B60N 2/00 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles
F02D 29/00 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F02D 41/06 - Introducing corrections for particular operating conditions for engine starting or warming up
In at least some implementations, a limiter cap assembly for a carburetor having a cavity in which one or more adjustable valves are received, includes a plug adapted to be received within a cavity of the carburetor and having an opening and a cavity aligned with the opening, a clasp engageable with the plug and having at least one retention feature and an opening aligned with the opening of the plug, and a limiter cap received within the opening of the plug and engaged with the retention feature of the clasp. Removal of the limiter cap from the plug opening is prevented by engagement of the retention feature with the limiter cap and by engagement of the clasp with the plug.
F02M 9/00 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position
F02M 9/08 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
F02M 17/38 - Controlling of carburettors, not otherwise provided for
F02M 17/08 - Carburettors having one or more fuel passages opening in a valve-seat surrounding combustion-air passage, the valve being opened by passing air
In at least some implementations, a method of controlling a fuel-to-air ratio of a fuel and air mixture supplied to an engine, includes the steps of determining an engine deceleration event, determining the number of engine revolutions required for the engine speed to decrease from one speed threshold to another speed threshold, comparing the number of engine revolutions determined above against a revolution threshold, and making the fuel and air mixture richer if the number of engine revolutions determined above is greater than the revolution threshold. The method may also include determining if, before the engine stabilized at a stable engine speed (which may be an engine idle speed), the engine speed decreased below the stable engine speed as the engine decelerated to the stable engine speed from a speed above the stable engine speed, and making the fuel and air mixture leaner if the determination is affirmative.
A method of controlling operation of an engine includes providing power to a control module and/or a controller included in the control module, providing an engine start input where the engine start input is communicated with the controller, determining or detecting actuation of the engine start input, sending a signal from the controller to begin an engine starting procedure to start the engine, providing multiple engine operating mode inputs via the module, determining or detecting actuation of one of the engine operating mode inputs, and controlling the engine in accordance with one or more predetermined engine control instructions associated with the engine operating mode that is associated with the actuated engine operating input.
B60K 37/06 - Arrangement of fittings on dashboard of controls, e.g. control knobs
F02D 29/04 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving pumps
F02N 11/08 - Circuits specially adapted for starting of engines
B60K 35/00 - Instruments specially adapted for vehiclesArrangement of instruments in or on vehicles
B60N 2/00 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles
F02D 29/00 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F02D 41/06 - Introducing corrections for particular operating conditions for engine starting or warming up
In at least some implementations, a fuel vapor separator for an internal combustion engine includes a main body at least partially defining a chamber for holding fuel, a lid carried by the main body to close the chamber and at least partially define a vapor chamber above a level of fuel in the chamber, and a thermoelectric heat exchanger coupled to the main body. In at least some implementations, the main body is a thermally conductive polymeric material that is resistant to degradation or dimensional changes, and in some implementations, the main body may be formed from a metal.
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
F02M 37/20 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines characterised by means for preventing vapour lock
F02M 25/08 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
F02M 31/20 - Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for cooling
59.
Low pressure fuel injection system for a multi-cylinder light-duty internal combustion engine
In at least some implementations, a throttle body assembly includes a body that has multiple throttle bores, multiple throttle valve heads received one in each of the throttle bores, at least one throttle valve shaft to which the throttle valve heads are coupled, and at least one of a fuel metering valve and a vapor separator carried by the body.
F02M 1/00 - Carburettors with means for facilitating engine's starting or its idling below operational temperatures
F02D 9/10 - Throttle valves specially adapted thereforArrangements of such valves in conduits having pivotally-mounted flaps
F02M 11/02 - Multi-stage carburettorsRegister-type carburettors, i.e. with slidable or rotatable throttling valves in which a plurality of fuel nozzles, other than only an idling nozzle and a main one, are sequentially exposed to air stream by throttling valve with throttling valve, e.g. of flap or butterfly type, in a later stage opening automatically
F02M 17/42 - Float-controlled carburettors not otherwise provided for
F02M 19/02 - Metering-orifices, e.g. variable in diameter
An ignition device includes a case having an opening and a bottom wall, a coil bobbin arranged in the case having a through hole, a first end and a second end, an ignition coil wound around the coil bobbin, a core made of magnetic material and projecting from the opening and from the bottom wall, and extending through the coil bobbin, a retainer having a ring portion and multiple leg portions extending from the ring, and a filling resin in the case. The core extends through the ring portion and the leg portions extend in between an inner surface of the coil bobbin and an outer peripheral surface of the core toward the bottom wall, and the case is filled with the filling resin in a manner that at least a part of the ring portion is not covered by the resin.
H01F 27/32 - Insulating of coils, windings, or parts thereof
F02P 1/00 - Installations having electric ignition energy generated by magneto- or dynamo-electric generators without subsequent storage
F02P 3/02 - Other electric spark ignition installations characterised by the type of ignition power generation storage having inductive energy storage, e.g. arrangements of induction coils
F02P 1/02 - Installations having electric ignition energy generated by magneto- or dynamo-electric generators without subsequent storage the generator rotor being characterised by forming part of the engine flywheel
H01F 27/26 - Fastening parts of the core togetherFastening or mounting the core on casing or support
In at least some implementations, a fuel pump assembly includes a first fuel pump and a second fuel pump that each have an electric motor, a pumping element driven by the motor, an inlet and an outlet through which fuel is discharged. The assembly also includes a passage communicated with the outlet of the first fuel pump and with the outlet of the second fuel pump, a fuel outlet in communication with the passage and through which fuel exits the fuel pump assembly, and a valve having an inlet in communication with the passage between the outlet of the first fuel pump and the outlet of the second fuel pump. The valve also having an outlet through which fuel exits the passage and a valve body that controls fuel flow through the valve.
F02M 37/10 - Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
F02M 37/18 - Feeding by means of driven pumps characterised by provision of main and auxiliary pumps
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
62.
Tamper resistant adjustment valve for a charge forming device
In at least some implementations, a valve for a charge forming device, includes a needle having a first end and a second end, and a valve body. The valve body has an axis extending between a first end and a second end, and a cavity open to the second end and in which part of the needle is received with the second end of the needle extending out of the second end of the valve body. The valve body also has a projection extending axially from the first end of the valve body to a free end of the projection, and the valve body has at least one drive surface axially spaced from the free end, the drive surface extends axially and radially.
F02M 9/08 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
B01F 3/04 - Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
F02M 19/01 - Apparatus for testing, tuning, or synchronising carburettors, e.g. carburettor flow stands
In at least some implementations, an assembly includes a reservoir, a primary fuel pump having an inlet in communication with the reservoir's internal volume, an outlet, a motor and a pumping element driven by the motor and a secondary fuel pump with a body having first and second inlets and an outlet. The first inlet receives fuel from the primary fuel pump and a nozzle is communicated with the first inlet and fuel flows out of the nozzle into the body via the first inlet. The second inlet is in communication with the reservoir inlet, and the outlet is in communication with the internal volume. The flow of fuel through the nozzle draws fuel from the fuel source through the second fuel inlet and that fuel is combined with the flow of fuel from the nozzle and discharged into the reservoir.
F02M 37/10 - Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
F02M 37/08 - Feeding by means of driven pumps electrically driven
In at least some implementations, a method of assembling an electromechanical valve includes positioning the armature stop in a first position at a first distance from a valve seat, actuating the valve to move an armature away from the valve seat, providing a fluid flow to the valve, determining a fluid flow characteristic, and as a function of the fluid flow characteristic, moving the armature stop relative to the valve seat to a second position that is at a distance other than the first distance.
F16K 11/04 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only lift valves
In at least some implementations, an ignition system for a combustion engine includes a controller, an ignition circuit, and a wire providing two-way communication between the ignition circuit and the controller. The ignition circuit may include a charge capacitor that is discharged to cause an ignition event. The ignition circuit may be an inductive discharge ignition circuit including a coil and may then also include a second wire that provides electrical power to the coil.
In at least some implementations, a charge forming device for a combustion engine includes a throttle body and a throttle valve. The throttle body has a throttle bore with an inlet through which air flows into the throttle bore and an outlet from which a fuel and air mixture exits the throttle bore. The throttle bore has a throat between the inlet and outlet and the throat has a reduced flow area compared to at least one of the inlet and outlet. The throttle valve has a valve head received within the throat of the throttle bore and movable relative to the throttle body between a first position and a second position wherein the flow area between the valve head and the throttle body is greater when the valve head is in the second position than in the first position.
In at least some implementations, a method of directing use of a handheld device including a tool which is used to perform work on a property, includes analyzing the property to determine at least one area in which work is to be performed, determining a starting point for the work, determining an ending point for the work, determining a work path to be taken by a user between the starting point and the ending point, and communicating the work path to a user of the handheld device. The communication may occur via a screen of a portable electronic device, like a phone, tablet or a dedicated display for the device.
In at least some implementations, a system for communicating threshold conditions for use of a powered device to a user, includes an engine, a controller coupled to the engine to control starting of the engine and a first indicator associated with a first threshold condition. The first indicator has a first state when the threshold condition is not satisfied and the first indicator has a second state when the threshold condition is satisfied, and the first indicator is coupled to the controller so that the controller is responsive to a change of the state of the first indicator, and wherein the controller is adapted to provide information for display that is indicative of the state of the first indicator.
B60W 50/14 - Means for informing the driver, warning the driver or prompting a driver intervention
B60W 10/06 - Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
B60K 35/00 - Instruments specially adapted for vehiclesArrangement of instruments in or on vehicles
F02N 11/08 - Circuits specially adapted for starting of engines
B60R 11/02 - Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the likeArrangement of controls thereof
B60R 11/00 - Arrangements for holding or mounting articles, not otherwise provided for
69.
TOOL WITH MOUNT AND CONTROL SYSTEM FOR A REMOVABLE ELECTRONIC DEVICE
In at least some implementations, an apparatus includes a support, a prime mover carried by the support, a tool carried by the support and driven by the prime mover, a controller coupled to the prime mover to control at least one aspect of the operation of the prime mover, and a mount carried by the support. The mount has a movable component that defines part of a mount area, that is adapted to receive and releasably retain a portable electronic device, to permit the size of the mount area to be adjusted. The electronic device may provide a user interface for data relating to operation of the apparatus and selecting among various controls for the apparatus.
A marine outboard engine includes an internal combustion engine including at least one fuel injector; a fuel vapor separator including: a separator body, a fuel reservoir defined by the separator body, and a first fuel pump fluidly connected between the fuel reservoir and the fuel injector; a fuel tank; and a second fuel pump fluidly connected between the fuel tank and the fuel vapor separator. The fuel vapor separator includes a heat exchanger disposed in the separator body. The heat exchanger includes at least one fuel channel defined by the heat exchanger body, the at least one fuel channel including: an inlet adapted for receiving fuel from the engine, and an outlet fluidly communicating with the fuel reservoir; and at least one coolant channel defined by the heat exchanger body, the at least one fuel channel and the at least one coolant channel being in thermal communication.
F02M 25/08 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
B60K 15/035 - Fuel tanks characterised by venting means
71.
ENGINE IGNITION CONTROL UNIT FOR IMPROVED ENGINE STARTING
In at least some implementations, a method of operating an ignition system for a combustion engine includes charging an energy storage device during at least a portion of the time when the engine is operating, permitting the level of energy stored on the charge storage device to decrease over time after the engine ceases to operate, determining the energy level on the energy storage device when the engine is restarted after having ceased operating, and setting at least one engine operational parameter as a function of the determined energy level. In at least some implementations, the at least one engine operational parameter may include one or more of: richness of a fuel and air mixture to be delivered to the engine, ignition timing, desired engine idle speed.
In at least some implementations, an ignition system for a combustion engine includes analog circuit components arranged to control ignition events at an engine speed below a first threshold of engine speed and a microprocessor to control ignition events at engine speeds higher than the first threshold. Hence, ignition can be controlled at lower engine cranking speeds to facilitate starting the engine at lower engine rotational speeds.
F02B 63/02 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for hand-held tools
A liquid level sensor includes a liquid level responsive member that moves in response to changing liquid level, an electrically conductive contact associated with the liquid level responsive member, a circuit including a rectifying element and a) one or more conductive elements, or b) one or more resistive elements or c) one or more conductive elements and one or more resistive elements, wherein the contact is arranged to engage at least one of the elements in a, b, or c, and a power supply. The power supply is adapted to provide a voltage to the circuit causing a current flow in a first direction in the circuit wherein the current flows through the contact and to provide a current flow in a second direction in the circuit wherein the rectifying element prevents current flow through the contact.
G01F 23/36 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using electrically actuated indicating means
G01D 5/165 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying resistance by relative movement of a point of contact and a resistive track
H01C 10/32 - Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path
A charge forming device includes a body with a main bore through which air flows and a fuel inlet through which fuel enters the main bore. A diaphragm defines part of a fuel chamber that leads to a fuel passage. The valve body is received in the fuel passage and has a first end, a second end, a sidewall, a valve passage having an inlet into which fuel from the fuel chamber enters and an outlet from which fuel exits for delivery to the main bore, and a cross passage extending through the sidewall between the first end and the second end and opening into the valve passage. A valve is carried by the body and has a valve head received in the cross passage and extending into the valve passage to at least partially inhibit fuel flow through the valve passage.
F02M 7/18 - Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel-metering orifice
F02M 17/04 - Floatless carburettors having fuel inlet valve controlled by diaphragm
F02M 9/08 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
A charge forming device includes a throttle valve having a first position, a second position, a throttle control that is coupled to the throttle valve and has a first position and a second position corresponding to the first and second positions of the throttle valve, and a sensor. The sensor includes at least one sensor element that is coupled to either the throttle control or the throttle valve for movement with that component. The sensor also includes at least one sensor contact that is engaged by the sensor element in at least one position of the throttle valve. The sensor element and sensor contact are electrically within a circuit and the circuit is closed and conductive when the sensor element is engaged with the sensor contact and the circuit is open and not conductive when the sensor element is not engaged with the sensor contact.
F02D 9/10 - Throttle valves specially adapted thereforArrangements of such valves in conduits having pivotally-mounted flaps
F02B 63/02 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for hand-held tools
In at least some implementations, a method of maintaining an engine speed below a first threshold, includes: (a) determining an engine speed; (b) comparing the engine speed to a second threshold that is less than the first threshold; (c) allowing an engine ignition event to occur during a subsequent engine cycle if the engine speed is less than the second threshold; and (d) skipping at least one subsequent engine ignition event if the engine speed is greater than the second threshold. In at least some implementations, the second threshold is less than the first threshold by a maximum acceleration of the engine after one ignition event so that an ignition event when the engine speed is less than the second threshold does not cause the engine speed to increase above the first threshold.
In at least some implementations, a system includes a pump having an electric motor and a pump outlet, a controller coupled to the pump to vary the power provided to the motor to vary the flow rate of liquid discharged from the pump outlet, a pressure regulator having an inlet communicated with the pump outlet, a regulator outlet from which liquid is discharged from the regulator, a bypass outlet through which liquid is discharged from the regulator, and a pressure responsive valve that opens to permit liquid flow through the bypass outlet, and a flow sensor. The flow sensor is communicated with the bypass outlet to sense or determine a flow rate of liquid at or downstream of the bypass outlet, the flow sensor also communicated with the controller to provide an indication of the bypassed liquid flow rate to the controller.
In at least some implementations, a fuel pump assembly includes a fuel pump having an inlet through which fuel enters the fuel pump and a first outlet from which pressurized fuel is discharged for delivery to an engine, and a second outlet through which some of the fuel discharged from the fuel pump is routed wherein that fuel is not delivered to the engine, wherein the second outlet has a flow area that permits a flow of fuel through the second outlet that is sufficient to reduce the maximum pressure of fuel downstream of the first outlet for delivery to an engine to between l/10th and l/25th of the output pressure of the fuel pump without flow through the second outlet.
In at least some implementations, a method of controlling spark events in an engine includes determining for at least two engine revolutions in a four-stroke engine at least one characteristic of the primary coil voltage for a spark event, determining, based upon the characteristic of the primary coil voltage, which of the spark events is associated with a compression phase and which of the spark events is associated with an exhaust phase of engine operation, and providing spark events in subsequent engine revolutions that are associated with the compression phase of engine operation but not in revolutions associated with the exhaust phase of engine operation. In at least some implementations, the characteristic is the duration of the spark event as determined by changes in the primary coil voltage, and the characteristic may be that the duration that the primary coil voltage is above a threshold voltage.
6 ohms/square. The insulator may have an outer surface that defines an outer surface of the wire and/or the insulator may have an inner surface engaged with the core.
F02M 37/10 - Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
H01B 3/00 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties
B60R 16/06 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for carrying-off electrostatic charges
A solenoid valve includes a housing, a bobbin and an armature. The bobbin is received at least partially within the housing and has and internal passage and a body about which a coil is provided. The armature is moveable relative to a valve seat and the valve includes an armature stop received in the internal passage with a press-fit so that it is engaged by the armature in one position of the armature to limit movement of the armature away from the valve seat. The valve also has a biasing member located at least partially between the armature and the armature stop, the armature has a reduced diameter portion received at least partially within the biasing member, and wherein the reduced diameter portion engages the armature stop in the open position of the valve.
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
F16K 1/52 - Means for additional adjustment of the rate of flow
F02M 7/18 - Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel-metering orifice
F02M 19/02 - Metering-orifices, e.g. variable in diameter
82.
Control and communication module for light-duty combustion engine
—In at least some implementations, a control and communication system for a light-duty combustion engine includes a circuit card, an ignition circuit carried by the circuit card and configured to control an ignition timing of the engine, and a short range wireless communication circuit carried by the circuit card. The communication circuit may include a Bluetooth Low Energy antenna. The ignition circuit may include an ignition capacitor that when drained induces an ignition pulse adapted to fire a spark plug. The system may further include a microprocessor that is coupled to and controls the ignition and communication circuits, and/or a clocking circuit adapted to provide a clocking frequency associated with the timing of the ignition circuit and associated with the communication circuit via a short range wireless communication protocol. The clocking circuit may include a crystal oscillator.
F02B 63/02 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for hand-held tools
F02P 11/00 - Safety means for electric spark ignition, not otherwise provided for
F02D 41/26 - Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
F02P 3/06 - Other electric spark ignition installations characterised by the type of ignition power generation storage having capacitive energy storage
F02D 41/22 - Safety or indicating devices for abnormal conditions
F02P 3/09 - Layout of circuits for control of the charging current in the capacitor
In at least some implementations, a fuel supply module includes a reservoir and a fuel pump carried by the reservoir. The reservoir may include a body and a lid that define an internal volume to contain a supply of fuel, and the reservoir may include an inlet through which fuel enters the internal volume and an outlet from which fuel is discharged from the fuel supply module. The fuel pump is carried by the reservoir and has a first inlet communicating with the internal volume to take fuel into the fuel pump from the internal volume and a second inlet spaced above the first inlet relative to the direction of the force of gravity to take fluid or vapors into the fuel pump from the internal volume. The fuel pump includes an outlet from which fluid is discharged for delivery to an engine through the reservoir outlet.
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
F02M 37/02 - Feeding by means of suction apparatus, e.g. by air flow through carburettors
F02M 37/10 - Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
F02M 37/18 - Feeding by means of driven pumps characterised by provision of main and auxiliary pumps
In at least some implementations, a charge forming device includes a body having a main bore, a fuel metering assembly including a diaphragm that defines at least part of a fuel chamber from which fuel is provided to the main bore and a reference chamber separate from the fuel chamber, a passage communicated with a subatmospheric pressure source and with the reference chamber, and an electrically actuated valve having an open position and a closed position, and wherein the valve at least substantially prevents communication of the pressure source with the reference chamber when the valve is in the closed position and permits communication of the pressure source with the reference chamber when the valve is in the open position to vary the rate of fuel flow from the fuel chamber.
F02M 17/04 - Floatless carburettors having fuel inlet valve controlled by diaphragm
F02M 19/02 - Metering-orifices, e.g. variable in diameter
F02B 63/02 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for hand-held tools
In at least some implementations, a liquid tank and liquid level measuring assembly includes a liquid tank having an interior and an exterior, the interior configured to hold liquid, a carrier received within the interior of the liquid tank and moveable in response to changes in the level of liquid in the interior, a first RF device received outboard of the interior, and a second RF device coupled to the carrier for movement with the carrier. The first RF device and second RF device are wirelessly communicated with each other via a radio frequency transmission to permit determining one or both of: a distance between the first RF device and second RF device and a time for RF transmissions between the first RF device and the second RF device, wherein the distance or time is a function of the liquid level in the liquid tank.
G01F 23/00 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
A throttle body may have a main bore for supplying a fuel and air mixture to an engine. A throttle valve head may be received in the main bore and movable between idle and wide open positions to control fluid flow through the main bore. A main fuel outlet and a boost venturi may open to the main bore and a flow directing feature may alter the velocity and/or direction of fluid flow in the main bore relative to the fuel outlet or boost venturi. The flow directing feature may be carried by the body, the throttle valve head, or the boost venturi.
F02D 9/10 - Throttle valves specially adapted thereforArrangements of such valves in conduits having pivotally-mounted flaps
F16K 3/06 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
F02M 17/34 - Other carburettors combined or associated with other apparatus, e.g. air filters
In at least some implementations, an assembly includes a float having a void with an inlet leading into the void in a first direction, and at least one retention surface that is not parallel to the first direction and a hinge received at least partially within the void. The hinge has at least one retention feature that cooperates with the at least one retention feature of the float to inhibit removal of the hinge from the float in a second direction opposite to the first direction, and the hinge is formed from a polymeric material. In at least some implementations, the hinge has a melting point similar to or lower than the melting point of the material of the float, and the hinge is formed separately from and is pressed into the void in the float.
F16K 24/04 - Devices, e.g. valves, for venting or aerating enclosures for venting only
F16K 31/18 - Operating meansReleasing devices actuated by fluid actuated by a float
F02M 37/20 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines characterised by means for preventing vapour lock
In at least some implementations, a liquid and vapor separator includes a body and a cover, a fuel inlet, a fuel outlet and a vent passage. A fuel pump has an inlet in communication with the interior volume and an outlet in communication with the fuel outlet. A fuel pressure regulator has an inlet in communication with the fuel pump outlet, an outlet in communication with the interior volume and a valve between the fuel pressure regulator inlet and the fuel pressure regulator outlet. The fuel pressure regulator is carried by the cover and the cover defines at least part of a fuel passage between the fuel pump outlet and the fuel outlet. An inlet valve is received within the interior volume and associated with the fuel inlet. A wall at least partially separates the area of the fuel pump from the area of the inlet valve.
F02M 37/24 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by water separating means
F02M 37/20 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines characterised by means for preventing vapour lock
In at least some implementations, a coupler for a spark plug includes a body formed from an electrically conductive material and including a first connecting portion defining a first cavity, and a second connecting portion defining a second cavity spaced from the first cavity, and the body includes an intermediate portion physically and electrically coupling the first connection portion and the second connecting portion. In at least some implementations, the first connecting portion is formed from a wire coiled to define the first cavity within the coil. In at least some implementations, the second connecting portion is formed from a wire coiled to define the second cavity within the coil.
In at least some implementations, a method of controlling a fuel-to-air ratio of a fuel and air mixture supplied to an engine, includes the steps of determining an engine deceleration event, determining the number of engine revolutions required for the engine speed to decrease from one speed threshold to another speed threshold, comparing the number of engine revolutions determined above against a revolution threshold, and making the fuel and air mixture richer if the number of engine revolutions determined above is greater than the revolution threshold. The method may also include determining if, before the engine stabilized at a stable engine speed (which may be an engine idle speed), the engine speed decreased below the stable engine speed as the engine decelerated to the stable engine speed from a speed above the stable engine speed, and making the fuel and air mixture leaner if the determination is affirmative.
In at least some implementations, a diaphragm for a fluid pump includes a first layer formed from a first material that inhibits or prevents vapor permeation through the diaphragm, and a second layer coupled to the first layer and formed from a second material different than the first material. The first material may include at least one of fluoropolymers, perfluoroalkoxy (PFA), polyfluoroethylenepropylene (FEP), polytetrafluoroethylene (PTFE), liquid crystal polymers, nylons, thin metal foil or film, or ethylene vinyl alcohol, and the fluoropolymer may be a fluoroelastomer. The first layer may be continuous and without perforations in an area of the diaphragm adapted to be exposed to a fluid. The first layer may include a base material and a coating that prevents vapor permeation therethrough. The second material may include at least one of NBR rubber, H-NBR, NBR coated or impregnated fiber or nylon materials, or a fluoroelastomer.
In at least some implementations, a throttle body assembly for a combustion engine includes a throttle body having a pressure chamber in which a supply of fuel is received and a throttle bore with an inlet through which air is received, a throttle valve carried by the throttle body with a valve head movable relative to the throttle bore to control fluid flow through the throttle bore, and a metering valve carried by the throttle body. The metering valve may have a valve element that is movable between an open position wherein fuel may flow from the pressure chamber into the throttle bore and a closed position where fuel is prevented or substantially prevented from flowing into the throttle bore through the metering valve.
F02M 7/18 - Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel-metering orifice
F02D 9/10 - Throttle valves specially adapted thereforArrangements of such valves in conduits having pivotally-mounted flaps
F02M 63/00 - Other fuel-injection apparatus having pertinent characteristics not provided for in groups or Details, component parts or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups or
In at least one implementation, a method of operating a combustion engine, includes determining a temperature equal or related to a temperature of an engine at an engine start and comparing the determined temperature to a temperature threshold, determining if an engine operating condition exceeds an engine threshold within a threshold time after the engine was started, and if the determined temperature is below the threshold temperature and the engine operating condition remains above the engine threshold and the threshold time has not passed, providing an enriched fuel and air mixture to the engine.
F02M 1/10 - Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling becoming operative or inoperative automatically dependent on engine temperature, e.g. having thermostat
F02M 1/08 - Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling becoming operative or inoperative automatically
F02D 41/06 - Introducing corrections for particular operating conditions for engine starting or warming up
F02M 17/04 - Floatless carburettors having fuel inlet valve controlled by diaphragm
F02B 25/10 - Engines with oppositely-moving reciprocating working pistons with one piston having a smaller diameter or shorter stroke than the other
94.
LOW PRESSURE FUEL INJECTION SYSTEM FOR A MULTI-CYLINDER LIGHT-DUTY INTERNAL COMBUSTION ENGINE
In at least some implementations, a throttle body assembly includes a body that has multiple throttle bores, multiple throttle valve heads received one in each of the throttle bores, at least one throttle valve shaft to which the throttle valve heads are coupled, and at least one of a fuel metering valve and a vapor separator carried by the body.
F02D 9/10 - Throttle valves specially adapted thereforArrangements of such valves in conduits having pivotally-mounted flaps
F02M 9/06 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having throttling valves, e.g. of piston shape, slidably arranged transversely to the passage with means for varying cross-sectional area of fuel spray nozzle dependent on throttle position
A method of controlling operation of an engine includes providing power to a control module and/or a controller included in the control module, providing an engine start input where the engine start input is communicated with the controller, determining or detecting actuation of the engine start input, sending a signal from the controller to begin an engine starting procedure to start the engine, providing multiple engine operating mode inputs via the module, determining or detecting actuation of one of the engine operating mode inputs, and controlling the engine in accordance with one or more predetermined engine control instructions associated with the engine operating mode that is associated with the actuated engine operating input.
An engine control and input system for a device having a tool driven by an engine, includes an input and control module having one or more inputs and a controller responsive to actuation of the inputs to permit user control of at least one engine operating parameter by user actuation of the inputs. The system may include a touch screen display that displays icons to the user relating to the inputs and the at least one engine operating parameter, and wherein the touch screen display is responsive to the user selecting one of the inputs by touching an associated one of the icons provided by the display. At least one of the inputs may relate to one or more of changing engine speed, starting the engine, causing the engine to drive the tool, turning on a light, actuating a heater or warmer or stopping engine operation.
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
G06F 17/00 - Digital computing or data processing equipment or methods, specially adapted for specific functions
97.
POWER TOOL INCLUDING A LIGHT-DUTY COMBUSTION ENGINE
A power tool may include an engine, a tool driven for movement by the engine, a brake mechanism coupled to the tool, a charge forming device coupled to the engine and a transmission member operably coupled to the brake mechanism and a throttle valve of the charge forming device. The brake mechanism inhibits movement of the tool in an engaged position of the brake mechanism and permits movement of the tool in a disengaged position of the brake mechanism. The charge forming device is coupled to the engine to provide a combustible fuel and air mixture to the engine, and the throttle valve is movable between a first position and a second position. The transmission member is operably coupled to the brake mechanism and the throttle valve so that the throttle valve is moved away from the first position when the brake mechanism is moved to the engaged position.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
F02B 63/02 - Adaptations of engines for driving pumps, hand-held tools or electric generatorsPortable combinations of engines with engine-driven devices for hand-held tools
98.
CHARGE FORMING DEVICE WITH ELECTRICALLY ACTUATED VAPOR SEPARATOR VENT VALVE
In at least some implementations, a charge forming device for a combustion engine includes a housing, a throttle valve and a vent valve. The housing has an inlet chamber in which a supply of fuel is received, a vent passage communicating with the inlet chamber and a throttle bore with an inlet through which air is received. The throttle valve is carried by the housing and has a valve head movable relative to the throttle bore to control fluid flow through the throttle bore. And the vent valve is electrically actuated, carried by the housing and has a valve element that is movable between an open position wherein fluid may flow from the inlet chamber through the vent passage and a closed position where fluid is prevented or inhibited from flowing out of the inlet chamber through the vent passage.
F02M 9/08 - Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly typeCarburettors having fuel-air mixing chambers of variable shape or position having throttling valves rotatably mounted in the passage
F02D 9/10 - Throttle valves specially adapted thereforArrangements of such valves in conduits having pivotally-mounted flaps
In at least some implementations, an auxiliary power supply in an ignition system for a light-duty combustion engine includes a first auxiliary winding and a second auxiliary winding coupled in parallel with the first auxiliary winding such that both windings are arranged to provide power to an auxiliary load. The first auxiliary winding may include a greater number of turns than the second auxiliary winding. A ratio of the number of turns in the first auxiliary winding to the number of turns in the second auxiliary winding may be between 1.5:1 and 10:1, the first auxiliary coil and the second auxiliary coil may have between 50 and 2,000 turns, and the first auxiliary coil and the second auxiliary coil are formed from wire between 25 and 45 gauge.
F02P 1/02 - Installations having electric ignition energy generated by magneto- or dynamo-electric generators without subsequent storage the generator rotor being characterised by forming part of the engine flywheel
A carburetor may have a fuel metering assembly with a metering valve and a metering diaphragm sealed to a body of the carburetor to at least partially define a metering chamber with a portion of the metering diaphragm movable relative to the body to actuate a fuel metering valve. The diaphragm may include a continuous layer, a discontinuous layer, and an intermediate layer received at least partially between the continuous and discontinuous layers and at least partially inhibiting direct contact between the continuous and discontinuous layers. The continuous and discontinuous layers may be different polymer materials and the intermediate layer may be a polymer different than that of the discontinuous layer. The intermediate layer may include voids, segments, or a wire form.
F02M 17/14 - Carburettors with fuel-supply parts opened and closed in synchronism with engine stroke
F02M 17/04 - Floatless carburettors having fuel inlet valve controlled by diaphragm
F02M 19/02 - Metering-orifices, e.g. variable in diameter
F02M 7/20 - Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel-metering orifice operated automatically, e.g. dependent on altitude
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/06 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of rubber
B32B 15/085 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyolefins
B32B 15/095 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyurethanes
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B32B 15/09 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyesters
B32B 25/16 - Layered products essentially comprising natural or synthetic rubber comprising polydienes or poly-halodienes
B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 25/10 - Layered products essentially comprising natural or synthetic rubber next to a fibrous or filamentary layer
B32B 25/08 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 7/08 - Interconnection of layers by mechanical means
B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
B32B 15/02 - Layered products essentially comprising metal in a form other than a sheet, e.g. wire, particles
B32B 25/04 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance
B32B 25/14 - Layered products essentially comprising natural or synthetic rubber comprising copolymers in which synthetic rubber constituents predominate
