WO2018094001A1 - Régulateur électronique - Google Patents

Régulateur électronique Download PDF

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Publication number
WO2018094001A1
WO2018094001A1 PCT/US2017/061948 US2017061948W WO2018094001A1 WO 2018094001 A1 WO2018094001 A1 WO 2018094001A1 US 2017061948 W US2017061948 W US 2017061948W WO 2018094001 A1 WO2018094001 A1 WO 2018094001A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
engine
throttle
rotation axis
throttle plate
Prior art date
Application number
PCT/US2017/061948
Other languages
English (en)
Inventor
Robert Koenen
Jason A. Hansen
Daniel Brueck
Original Assignee
Briggs & Stratton Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Briggs & Stratton Corporation filed Critical Briggs & Stratton Corporation
Publication of WO2018094001A1 publication Critical patent/WO2018094001A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002—Controlling intake air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
    • F02D31/001—Electric control of rotation speed
    • F02D31/002—Electric control of rotation speed controlling air supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0097—Electrical control of supply of combustible mixture or its constituents using means for generating speed signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
    • F02D2400/06—Small engines with electronic control, e.g. for hand held tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
    • F02D2400/14—Power supply for engine control systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
    • F02D2400/18—Packaging of the electronic circuit in a casing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
    • F02D2400/21—Engine cover with integrated cabling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Definitions

  • the present invention relates generally to the field of electronic governors, and more particularly to electronic governors for small engines.
  • One embodiment of the invention includes an electronic governor system for use with an internal combustion engine.
  • the electronic governor includes an air-fuel mixing device comprising a throttle plate, a motor including a motor shaft and an electrical connection, a controller supported by a printed circuit board, the controller configured to operate the motor.
  • the throttle plate is coupled to the motor shaft and is movable to multiple positions between closed and wide-open and the electrical connection is directly coupled to the printed circuit board.
  • the motor is positioned directly above the throttle plate.
  • the motor is supported by the printed circuit board.
  • the motor shaft defines a motor rotation axis and the throttle plate defines a throttle rotation axis and the motor rotation axis is parallel to the throttle rotation axis.
  • the engine includes an engine block including a cylinder, a piston positioned within the cylinder and configured to reciprocate within the cylinder, a crankshaft coupled to the piston and configured to rotate about a crankshaft axis, an air-fuel mixing device configured to provide an air-fuel mixture to the cylinder, a flywheel coupled to the crankshaft of the engine, and including a plurality of magnets disposed around a circumference of the flywheel, an alternator including a printed circuit board having a plurality of coils configured to interact with the plurality of magnets to generate electricity when the flywheel rotates, and an electronic governor system.
  • the electronic governor system includes a motor having a motor shaft and an electrical connection, a controller supported by the printed circuit board, the controller configured to operate the motor, a throttle plate positioned within the air-fuel mixing device and coupled to the motor shaft, the throttle plate movable to multiple positions between closed and wide-open, where the electrical connection is directly coupled to the printed circuit board.
  • the flywheel includes a plurality of teeth positioned radially on the flywheel, a position sensor mounted to the printed circuit board, the position sensor configured to detect the plurality of teeth to determine a position of the crankshaft. In some embodiments, the position sensor detects a passing of the plurality of teeth to determine a speed of the engine.
  • the printed circuit board includes a control circuitry section including the controller and an alternator section, where the alternator section includes the multiple coils and where the control circuitry section is detachable from the alternator section such that the control circuitry section can be mounted separately from the alternator section.
  • the electrical connection is directly soldered onto the control circuitry section of the printed circuit board.
  • the electronic governor system includes an air- fuel mixing device including a throttle plate, a motor having a motor shaft and an electrical connection, and a controller supported by a printed circuit board, the controller configured to operate the motor.
  • the throttle plate is coupled to the motor shaft and is movable to multiple positions between closed and wide-open and the motor is coupled to and supported by the printed circuit board.
  • the motor shaft defines a motor rotation axis and the throttle plate defines a throttle rotation axis and the motor rotation axis is co- linear with the throttle rotation axis.
  • the motor shaft defines a motor rotation axis and the throttle plate defines a throttle rotation axis and the motor rotation axis is parallel to the throttle rotation axis.
  • the engine includes an engine block including a cylinder, a piston positioned within the cylinder and configured to reciprocate within the cylinder, a crankshaft coupled to the piston and configured to rotate about a crankshaft axis, an air-fuel mixing device configured to provide an air-fuel mixture to the cylinder, a flywheel coupled to the crankshaft of the engine, and including multiple magnets arranged axially along a first side of the flywheel, an alternator including a printed circuit board having multiple coils configured to interact with multiple magnets to generate electricity when the flywheel rotates, and an electronic governor system.
  • the electronic governor system includes a motor having a motor shaft and an electrical connection, a controller supported by the printed circuit board, the controller configured to operate the motor, a throttle plate positioned within the air-fuel mixing device and coupled to the motor shaft, the throttle plate movable to multiple positions between closed and wide-open, where the motor is coupled to and supported by the printed circuit board.
  • FIG. 1 is a section view of an internal combustion engine, according to an exemplary embodiment
  • FIG. 2 is a perspective view of a portion of the internal combustion engine including a flywheel assembly, according to an exemplary embodiment
  • FIG. 3 is a top view of a printed circuit board (“PCB”) alternator and additional control circuitry, according to an exemplary embodiment
  • FIG. 4 is a section view of a portion of the PCB alternator and a flywheel of the engine of FIG. 1, according to an exemplary embodiment
  • FIG. 5 is a front view of an air-fuel mixing device of the internal combustion engine of FIG. 1, according to an exemplary embodiment
  • FIG. 6 is a top perspective view of the air-fuel mixing device of FIG. 5, according to an exemplary embodiment.
  • FIG. 7 is a top perspective view of an air-fuel mixing device of the internal combustion engine of FIG. 1, according to an exemplary embodiment.
  • the internal combustion engine 100 includes an engine block 106 having a cylinder 108, a piston 112, and a crankshaft 104.
  • a flywheel 102 is coupled to the crankshaft 104 and rotating with the crankshaft 104.
  • the piston 112 reciprocates in the cylinder 108 along a cylinder axis to drive the crankshaft 104.
  • the crankshaft 104 rotates about a crankshaft axis 103.
  • the crankshaft 104 is positioned in part within a sump or crankcase 116.
  • the engine 100 may additionally include an electric starting system.
  • the electric starting system includes a starter motor, starter solenoid, ignition switch, and a battery.
  • the starter motor When activated in a response to a user input (e.g., via a key switch, a push button, a bail start system, a trigger start system for a pressure washer, other automatic start system, etc.), the starter motor rotates the crankshaft 104 to start the engine 100.
  • the starter motor is selectively coupled to the crankshaft 104 so that the starter motor may be decoupled from the crankshaft 104 (i.e., does not rotate with the crankshaft 104 after the engine 100 has been successfully started).
  • the engine 100 also includes an air-fuel mixing device 140 (e.g., a carburetor, an electronic fuel injection system, etc.) for supplying an air-fuel mixture to the cylinder 108.
  • an air-fuel mixing device 140 e.g., a carburetor, an electronic fuel injection system, etc.
  • the engine 100 includes a blower housing 120 configured to direct cooling air over the engine block 106 and other components of the engine 100.
  • a blower fan 107 pulls air into the blower housing 120 through an air inlet.
  • the crankshaft 104 and crankshaft axis 103 may be oriented horizontally (i.e., a horizontal engine) or vertically (i.e., a vertical engine).
  • the engine 100 may include one cylinder 108 or two or more cylinders.
  • the engine 100 can be used on a variety of end products, including outdoor power equipment, portable jobsite equipment, and standby or portable generators.
  • Outdoor power equipment includes lawn mowers, riding tractors, snow throwers, pressure washers, tillers, log splitters, zero-turn radius mowers, walk-behind mowers, riding mowers, stand-on mowers, pavement surface preparation devices, industrial vehicles such as forklifts, utility vehicles, commercial turf equipment such as blowers, vacuums, debris loaders, overseeders, power rakes, aerators, sod cutters, brush mowers, etc.
  • Outdoor power equipment may, for example, use the engine 100 to drive an implement, such as a rotary blade of a lawn mower, a pump of a pressure washer, an auger of a snow thrower, and/or a drivetrain of the outdoor power equipment.
  • Portable jobsite equipment includes portable light towers, mobile industrial heaters, and portable light stands.
  • the flywheel 102 and a PCB alternator 114 are shown, according to an exemplary embodiment.
  • the PCB alternator 114 generates and supplies electrical energy to the electrical systems of the engine 100.
  • the PCB alternator 114 may be configured with an aperture 208 located in the center of the PCB alternator 114.
  • the aperture 208 can be configured to fit over the crankshaft 104 of the engine 100, to allow the crankshaft 104 to be coupled to the flywheel 102.
  • the PCB alternator 114 is coupled directly to the engine block 106.
  • the PCB alternator 114 is configured to mount to other components of the engine 100 to provide mechanical and/or electrical isolation between the engine block 106 and the PCB alternator 114.
  • the PCB alternator 114 is mounted on a mounting plate 111 secured to the engine block 106 such that the PCB alternator 114 is separated from the engine block 106.
  • the mounting plate 111 can be shaped in the same general shape as the PCB alternator 114 to receive the PCB alternator 114 and take up minimal space in the engine 100.
  • the flywheel 102 is coupled to the crankshaft 104 and configured to store rotational energy due to inertia.
  • the flywheel 102 is made from stamped steel.
  • the stamped steel flywheel 102 may be flatter in cross-section than a conventional flywheel used with a wound-stator alternator.
  • the flywheel 102 is made from a cast-iron, aluminum, or zinc material.
  • the PCB alternator 114 includes an alternator section 202 and a control circuitry section 204.
  • the control circuitry section 204 may be detachable from the alternator section 202.
  • the control circuity section 204 includes various control circuits, for example, circuits to control an electronic governor, ignition, electrical starting system, and voltage regulation system.
  • the control circuitry on the PCB alternator 114 is configured to control an electronic governor system 130 (shown in FIGS. 5-7) of the engine 100.
  • the motor 115 is directly mounted to the PCB alternator 114.
  • the control circuitry section 204 includes direct solder points 139 for a motor 115 connection such that no wires connect the motor 115 to the electrical systems.
  • the motor 115 is positioned directly above the air-fuel mixing device 140 to control the position of a throttle plate 125 therein and in turn, control the speed of the engine 100.
  • the motor 115 can be connected to the throttle plate 125 in the same manner as described below with reference with FIGS. 5-7.
  • Circuitry on the PCB alternator 114 may additionally be configured to control the electric starting system of the engine 100.
  • the circuitry may detect an input (e.g., user input) indicating that the engine 100 needs to be started.
  • the circuitry can then provide energy to a starter motor to turn the crankshaft 104 and start the engine 100.
  • the energy can be provided via an external power source, such as a battery.
  • connections to the battery are directly mounted on the PCB alternator 114.
  • lithium-ion cells are directly mounted on the alternator 114 to provide energy to start the engine 100.
  • the starter motor is electrically coupled to the lithium-ion cells to be powered by the cells.
  • the PCB alternator 114 may be configured as a motor/generator so that a power supply 109 provides electricity to the coils 220 to induce a rotating magnetic field to move the magnets and rotate the flywheel 102 to start the engine 100.
  • the alternator section 204 of the PCB alternator 114 includes one or more coils 220.
  • the coils 220 may be constructed of conductive materials, for example, the coils 220 may be constructed of copper. However, other conductive materials are contemplated.
  • Each coil 220 includes a defined number of windings.
  • FIG. 4 a section view showing the flywheel 102 and the alternator 114 is shown, according to some embodiments.
  • the PCB alternator 114 is configured as a multiple-layer printed circuit board (PCB) assembly having a first substrate 132, a second substrate 134, and a third substrate 136. This arrangement can allow for additional circuitry and/or functionality to be provided by providing additional circuit board area for development. Positioning coils in each layer can be used to generate three-phase electricity, thereby reducing variation in voltage and current output, which may reduce motor vibrations.
  • the PCB alternator 114 includes a single-layer PCB.
  • the PCB alternator 114 is positioned proximate to the flywheel 102.
  • the flywheel 102 includes a plurality of teeth 105 positioned radially about the outer circumference of the flywheel 102.
  • the teeth 105 are spaced equidistant from each other.
  • a position sensor 138 may be mounted directly on the PCB alternator 114 to detect the passing of one or more of the teeth 105 to determine the speed of the flywheel 102.
  • the sensor 138 is a hall-effect sensor.
  • the sensor 138 is a magneto-resistive sensor.
  • the teeth 105 are equally-spaced with a single tooth removed creating a relatively larger gap.
  • the position of the larger gap relative to the crankshaft angle is known and therefore, sensing the position of the larger gap can be used to determine crankshaft angle and engine speed.
  • the sensor 138 may detect the gap to determine a position (e.g., crank angle) of the crankshaft 104 by evaluating the number of teeth 105 that have passed over the sensor since the missing tooth 105 was detected.
  • the engine speed can be determined in a similar manner.
  • the position sensor 138 may be mounted otherwise on the engine 100.
  • the flywheel 102 may include a plurality of magnets 122, 124 arranged around an outer circumference of the flywheel 102 along a first face 126.
  • the number of magnets 122, 124 may vary depending on the size of the flywheel 102 and the configuration of the alternator 114.
  • a rotating magnetic field is generated via the magnets 122, 124.
  • the rotating magnetic field passes through the fixed coils 220 of the alternator 114, thereby inducing a current.
  • the induced current may then generate a voltage, thereby generating electrical energy from the mechanical energy associated with the rotation of the flywheel 102.
  • the PCB alternator 114 is positioned in proximity to the flywheel 102 such that the magnetic field generated by the magnets 122, 124 is sufficiently concentrated to induce the desired current.
  • the electronic governor system 130 is configured to maintain the engine speed through varying loads on the engine 100.
  • the electronic governor system 130 includes an air-fuel mixing device 140, a motor 115 (e.g., direct current (DC) motor), a throttle valve or plate 125, and a throttle lever 135.
  • air-fuel mixing device 140 air is mixed with fuel to produce an air-fuel mixture for combustion in one or more cylinders 108 of the engine 100.
  • the air-fuel mixing device 140 is a carburetor including a throttle body and the throttle valve 125.
  • the air-fuel mixing device 140 is an electronic or direct fuel injection system including the throttle body and the throttle valve 125.
  • the throttle plate 125 controls the flow of the air-fuel mixture out of the air-fuel mixing device 140 and in doing so controls the speed and/or power of the engine 100.
  • the engine 100 may experience varying loads due to the height of grass being mowed.
  • the electronic governor system 130 will open the throttle plate 125 to maintain the engine speed at a governed speed.
  • the motor 115 includes a shaft 113 rotating about an axis of rotation 123 and also includes electrical connections 117.
  • the shaft 113 is configured to rotate and control the position of the throttle plate 125, thereby controlling the engine speed.
  • the position of the throttle plate 125 is adjusted so that the engine speed is maintained at a desired engine speed.
  • the desired engine speed can be a constant or can be varied by a user or a controller in response to inputs from the engine (e.g., inputs related to engine load, desired output, or other engine operating conditions or objectives).
  • the shaft 113 of the motor 115 is positioned directly above the throttle plate 125. In one embodiment, the shaft 113 is directly coupled to the throttle plate 125 to control the position of the throttle plate 125.
  • the shaft 113 is connected to the throttle plate 125 via throttle lever 135.
  • the axis of rotation 123 of the shaft 113 is parallel with the axis of rotation 127 of the throttle plate 125.
  • the axis of rotation 123 of the shaft 113 is coaxial or co-linear with the axis of rotation 127 of the throttle plate 125. As such, the linkages needed to connect the shaft 113 to the throttle plate 125 are minimized.
  • one or both of the electrical connections 117 of the motor 115 are directly mounted (e.g., soldered) to the PCB alternator 114.
  • the control circuitry section 204 of the PCB alternator 114 includes a direct solder point 139 for the electrical connections 117 of the motor 115.
  • the electrical connections 117 are directly soldered to the control circuitry section 204 of the PCB alternator 114 such that no wires or other connections are needed.
  • the shaft 113 of the motor 115 is positioned above the throttle lever 135 and plate 125 so as to connect directly to the throttle lever 135 and/or plate 125 to control position of the throttle as described above.
  • a transmission may be included between the shaft 113 and the throttle lever 135.
  • a housing 150 is included and configured to house control circuitry (e.g., control circuitry section 204) and the motor 115.
  • the housing 150 is supported by and mounted to a bracket 155 using fasteners (e.g., screws, bolts, etc.) at holes 160.
  • the bracket 155 is mounted to the engine block 106.
  • the housing 150 includes a motor cavity 152 and a control circuitry cavity 154.
  • the motor cavity 152 includes a motor opening 170 configured to allow the shaft 113 of the motor 115 to protrude therethrough to couple directly to the throttle lever 135 to control the position of the throttle plate 125.
  • the shaft 113 couples directly to the throttle plate 125.
  • housing 150 includes a single cavity for both the motor and control circuitry.
  • the motor 115 and control circuitry may be supported by the same PCB.
  • a flange 165 is mounted to the bracket 155 at holes 175.
  • the flange 165 is a portion of the electronic governor housing 190 configured to house the electronic governor system 130.
  • the flange 165 is positioned between an air intake manifold of the engine 100 and the air-fuel mixing device 140.
  • control circuitry section 204 of the PCB alternator 114 is separated from the alternator section 202 and mounted otherwise on the engine 100.
  • control circuitry section 204 may be mounted within the control circuitry cavity 154 of the housing 150.
  • the starter motor may be used to help reduce any mechanical lag experienced in regard to the engine speed change.
  • the starter motor is used in conjunction with the electronic governor control to help with engine speed control.
  • the starter motor may be controlled through the control circuitry on the PCB as described above. The circuitry may receive an input indicating that the engine is experiencing mechanical lag and may provide energy to run the starter motor.
  • the direct connection between the motor and the throttle of the electronic governor system allows for reduced costs and reliability of manufacture.
  • the direct connection eliminates components, such as linkages between the motor shaft and the throttle lever from the manufacturing process.
  • direct soldering of the electrical connections for the motor eliminates any wires or other connections between the electrical systems of the engine and the motor. This can beneficially reduce the number of solder joints and the likelihood of breakage at wire solder joints. In conventional electronic governor systems, breakage of the wire solder joints may occur due to engine vibrations. The arrangement described above additionally reduces the likelihood of cut wires.
  • the present disclosure contemplates methods, systems and program products on any machine-readable media for accomplishing various operations.
  • the embodiments of the present disclosure may be implemented using existing computer processors, or by a special purpose computer processor for an appropriate system, incorporated for this or another purpose, or by a hardwired system.
  • Embodiments within the scope of the present disclosure include program products comprising machine-readable media for carrying or having machine-executable instructions or data structures stored thereon.
  • Such machine- readable media can be any available media that can be accessed by a general purpose or special purpose computer or other machine with a processor.
  • machine-readable media can comprise RAM, ROM, EPROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to carry or store desired program code in the form of machine-executable instructions or data structures and which can be accessed by a general purpose or special purpose computer or other machine with a processor.
  • a network or another communications connection either hardwired, wireless, or a combination of hardwired or wireless
  • any such connection is properly termed a machine-readable medium.
  • Machine-executable instructions include, for example, instructions and data which cause a general purpose computer, special purpose computer, or special purpose processing machines to perform a certain function or group of functions.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

L'invention concerne un système de régulateur électronique destiné à être utilisé avec un moteur à combustion interne comprenant un dispositif de mélange air-carburant comprenant un papillon, un moteur ayant un arbre moteur et une connexion électrique, et un dispositif de commande pris en charge par une carte de circuit imprimé. Le dispositif de commande est conçu pour faire fonctionner le moteur. Le papillon est accouplé à l'arbre moteur et est mobile vers une ou plusieurs positions entre une position fermée et une position totalement ouverte et la connexion électrique est directement couplée à la carte de circuit imprimé.
PCT/US2017/061948 2016-11-18 2017-11-16 Régulateur électronique WO2018094001A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662424170P 2016-11-18 2016-11-18
US62/424,170 2016-11-18

Publications (1)

Publication Number Publication Date
WO2018094001A1 true WO2018094001A1 (fr) 2018-05-24

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ID=62146752

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2017/061948 WO2018094001A1 (fr) 2016-11-18 2017-11-16 Régulateur électronique

Country Status (1)

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WO (1) WO2018094001A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5076231A (en) * 1989-08-10 1991-12-31 Audi Ag Method and apparatus for mechanical override control of electronic throttle valve operation during emergencies
US5287835A (en) * 1992-07-10 1994-02-22 Briggs & Stratton Corporation Electronic governor with fast response time
US6575134B1 (en) * 2001-08-14 2003-06-10 Jim Bowling Electronic governor for a gasoline engine
US20050056261A1 (en) * 2003-09-17 2005-03-17 Stefano Marchesini Throttle body assembly for a fuel injected combustion engine
US7343898B1 (en) * 2007-02-13 2008-03-18 Briggs & Stratton Corporation Air vane governor
US7454961B2 (en) * 2006-01-19 2008-11-25 Tom Pirone System and method for sensing position of a motorcycle crankshaft
US20100269787A1 (en) * 2009-04-27 2010-10-28 Honda Motor Co., Ltd. Control apparatus for general-purpose engine
US20130239927A1 (en) * 2012-03-14 2013-09-19 Illinois Tool Works Inc. Single electronic governor for multiple engines
US20150315982A1 (en) * 2014-05-01 2015-11-05 Briggs & Stratton Corporation Electronic governor system and load sensing system
US9318933B2 (en) * 2012-07-30 2016-04-19 Minebea Co., Ltd. Stepping motor with snapping front boss and securing pins

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5076231A (en) * 1989-08-10 1991-12-31 Audi Ag Method and apparatus for mechanical override control of electronic throttle valve operation during emergencies
US5287835A (en) * 1992-07-10 1994-02-22 Briggs & Stratton Corporation Electronic governor with fast response time
US6575134B1 (en) * 2001-08-14 2003-06-10 Jim Bowling Electronic governor for a gasoline engine
US20050056261A1 (en) * 2003-09-17 2005-03-17 Stefano Marchesini Throttle body assembly for a fuel injected combustion engine
US7454961B2 (en) * 2006-01-19 2008-11-25 Tom Pirone System and method for sensing position of a motorcycle crankshaft
US7343898B1 (en) * 2007-02-13 2008-03-18 Briggs & Stratton Corporation Air vane governor
US20100269787A1 (en) * 2009-04-27 2010-10-28 Honda Motor Co., Ltd. Control apparatus for general-purpose engine
US20130239927A1 (en) * 2012-03-14 2013-09-19 Illinois Tool Works Inc. Single electronic governor for multiple engines
US9318933B2 (en) * 2012-07-30 2016-04-19 Minebea Co., Ltd. Stepping motor with snapping front boss and securing pins
US20150315982A1 (en) * 2014-05-01 2015-11-05 Briggs & Stratton Corporation Electronic governor system and load sensing system

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