EP3369921B1 - Système de commande de régime moteur - Google Patents
Système de commande de régime moteur Download PDFInfo
- Publication number
- EP3369921B1 EP3369921B1 EP18158064.8A EP18158064A EP3369921B1 EP 3369921 B1 EP3369921 B1 EP 3369921B1 EP 18158064 A EP18158064 A EP 18158064A EP 3369921 B1 EP3369921 B1 EP 3369921B1
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- EP
- European Patent Office
- Prior art keywords
- bellcrank
- engine
- control lever
- arm
- aperture
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 239000007787 solid Substances 0.000 claims description 24
- 239000000446 fuel Substances 0.000 claims description 22
- 239000002828 fuel tank Substances 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
- F02M7/12—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M3/00—Idling devices for carburettors
- F02M3/08—Other details of idling devices
- F02M3/12—Passageway systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/04—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by mechanical control linkages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
- F02D17/04—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling rendering engines inoperative or idling, e.g. caused by abnormal conditions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
- F02M37/0023—Valves in the fuel supply and return system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P11/00—Safety means for electric spark ignition, not otherwise provided for
- F02P11/02—Preventing damage to engines or engine-driven gearing
- F02P11/025—Shortening the ignition when the engine is stopped
Definitions
- the present application relates generally to speed control for engines. More specifically, the present application relates to a speed control system arrangeable in a variable speed mode or a fixed speed mode, and that can be used with more than one remote actuation system.
- One embodiment relates to an engine that includes a fuel tank, a carburetor including a throttle valve movable between a first throttle position and a second throttle position, a governor system configured to move the throttle valve, and a speed control system including a control lever defining a first actuation distance, and a bellcrank movable between an idle position and a high speed position and coupled to the governor system.
- the bellcrank defines a second actuation distance that is different than the first actuation distance.
- a speed control system for an engine includes a speed control lever and a bellcrank.
- the speed control lever and the bellcrank include multiple connection points allowing the speed control system to be controlled manually in a manual control mode, or remotely in a remote control mode.
- the connection points providing for remote operation can be arranged to operate with solid wire actuators or soft wire actuators.
- the bellcrank is structured to operate with different actuation systems having different actuation travel distances. In one example, the bellcrank has connections providing for operation with a 15 millimeter or a 20 millimeter, or a 17.5 millimeter travel distance.
- the speed control system can be arranged to operate in a variable speed mode with the position of the speed control lever affecting the operational speed of the engine, or a fixed speed mode where the bellcrank is fixed.
- the speed control system can also include an ignition kill and a fuel shutoff that are actuated by the speed control lever. In some embodiments, actuation of the speed control lever, either manually or remotely, acts to affect the speed of the engine, the ignition kill, and the fuel shutoff.
- an engine 30 includes a fuel tank 34, and a speed control system 38 that includes a carburetor 42, a speed control lever 46, a bellcrank 50 (not visible in FIG. 1 , see FIG. 4 ), a governor system 54, and a transport valve system 58.
- the engine 30 may be used to power outdoor power equipment, portable jobsite equipment, or other equipment that requires a prime mover.
- Outdoor power equipment may include 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, portable generators, etc.
- Outdoor power equipment may, for example, use the engine 30 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 may include portable light towers, mobile industrial heaters, and portable light stands.
- the carburetor 42 includes a throttle valve that is moveable between a first position in the form of a low speed position and a second position in the form of a high speed position and thereby control the air fuel mixture exiting the carburetor 42 and entering a combustion chamber of the engine 30, and a choke lever 62 arranged to adjust the position of a choke valve to control air flow into the carburetor 42.
- the carburetor 42 is arranged to mix fuel from the fuel tank 34 with air and provide the mixture to the combustion chamber.
- the choke lever 62 may be eliminated or arranged in a different position/location on the engine 30.
- the engine 30 may be in the form of a small, single-cylinder, four-stroke cycle, internal combustion engine and includes an engine block, an air intake, and an exhaust. Interior to the engine 30, the engine 30 includes a passageway configured to channel air from the air intake to a combustion chamber. Along the passageway, fuel is mixed with the air in the carburetor 42 or other fuel injection device. Combustion in the combustion chamber converts chemical energy to mechanical energy (e.g., rotational motion, torque) via a piston, a connecting rod, and a crankshaft, which may then be coupled to one or more rotating tools (e.g., blade, alternator, auger, impeller, tines, drivetrain) of outdoor power equipment.
- rotating tools e.g., blade, alternator, auger, impeller, tines, drivetrain
- the crankshaft is a horizontal crankshaft arranged to provide power to an output shaft 66 (see FIG. 3 ) arranged to provide power to one or more implements.
- the crankshaft is a vertical crankshaft.
- the engine 30 includes two or more cylinders (e.g., two cylinders arranged in a V-twin configuration).
- the bellcrank 50 is coupled to the carburetor 42 via the governor system 54, and the bellcrank 50 interacts with the governor system 54 to control the amount of fuel air mixture provided to the combustion chamber of the cylinder and thereby vary the operating speed of the engine 30.
- the transport valve system 58 is arranged in the fuel flow path between the fuel tank 34 and the carburetor 42 and operates in response to the speed control lever 46 to selectively inhibit fuel flow from the fuel tank 34 to the carburetor 42.
- the speed of the engine 30 can be controlled remotely from five different directions: a right lever direction A, a left lever direction B, a front bellcrank direction C, a back bellcrank direction D, and a left bellcrank direction E (see FIG. 3 ).
- the five directions A-E define actuation directions that may be used by remote actuators to control the speed control system 38.
- the right lever direction A can be used with a solid wire actuator in a push to high speed no load (HSNL) arrangement.
- the left lever direction B can used with a solid wire actuator in a pull to HSNL arrangement.
- the front bellcrank direction C can be used with a solid wire actuator or a soft wire actuator in a pull to HSNL arrangement.
- the back bellcrank direction D can be used with a solid wire actuator in a push to HSNL arrangement.
- the left bellcrank direction E can be used with a solid wire actuator or a soft wire actuator in a pull to HSNL arrangement.
- the speed control lever 46 is rotatably mounted to a bracket 70 about a first axis 74 and the bellcrank 50 is rotatably mounted to the bracket about a second axis 78.
- the speed control lever 46 is connected to the bellcrank 50 with a control link 82 so that rotation of the speed control lever 46 about the first axis 74 results in rotation of the bellcrank 50 about the second axis 78.
- the governor system 54 includes a governor arm 86 coupled to the bellcrank 50 by a governor spring 90 and controlled by a governor or speed sensing device in response to the speed of the engine 30, and a governor link 94 that is coupled to the throttle valve of the carburetor 42 to control the fuel air mixture provided to the combustion chamber of the engine 30.
- moving the speed control lever 46 causes the rotation of the bellcrank 50 and changes the tension in the governor spring 90 which affects the speed of the engine 30 by changing the force balance in governor system 54, which moves the throttle valve via the governor arm 86 and governor link 94.
- movement of the speed control lever 46 only affects the position of the throttle valve if the engine 30 is running.
- the governor system 54 may also include weights, a slider cup, a crank, springs, links, and other components, as desired.
- the transport valve system 58 includes a transport valve that is actuatable so that a valve element is moveable between an open position and a closed position to selectively inhibit fuel flow to the carburetor 42.
- the transport valve system 58 is controlled by the speed control lever 46.
- a transport link 98 is connected between the speed control lever 46 and the transport valve system 58. When the speed control lever 46 is arranged in an off position (as shown in FIG. 4 ), the transport link 98 actuates the transport valve system 58 to a transport position where fuel is inhibited from flowing to the carburetor 42.
- Embodiments of the transport valve system 58 are discussed in U.S. Provisional Patent Application No. 62/466,257 filed on March 2, 2017 and incorporated by reference herein in its entirety.
- an electrical shutoff element in the form of a ground switch 102 is mounted on the bracket 70 and positioned to interact with the speed control lever 46.
- the ground switch 102 grounds an ignition circuit of the engine 30 so that the engine 30 is inhibited from running. Further details and embodiments of the electrical shutoff element are discussed in U.S. Provisional Patent Application No. 62/466,257 .
- the speed control lever 46 includes a handle 106, a control lever remote aperture 110 defined in the handle 106 and sized to receive a wire actuator, a mounting aperture 114 sized to mount the speed control lever 46 to the bracket 70 about the first axis 74, a control lever speed aperture 118 sized to receive the control link 82, a control lever transport aperture 122 sized to receive the transport link 98, and a speed control cam surface 126 sized to interact with the ground switch 102 and actuate the ground switch between an off position where operation of the engine 30 is inhibited and an on position where operation of the engine 30 is allowed.
- the bellcrank 50 includes first arm 130, a second arm 134, a third arm 138, and a mounting aperture 142 sized to mount the bellcrank 50 to the bracket 70 about the second axis 78.
- the first arm 130 includes a bellcrank control aperture 146 sized to receive the control link 82, and a spring aperture 150.
- the second arm 134 includes a first soft wire aperture 154, a first short throw aperture 158, and a first long throw aperture 162.
- the third arm 138 includes a second soft wire aperture 166, a second short throw aperture 170, a second long throw aperture 174, and a governor spring holder 178 sized to engage and retain the governor spring 90.
- the governor spring holder 178 is an aperture, a compression nut, or another coupling structure. In some embodiments, more than two, or less than two throw apertures may be included on each of the second arm 134 and the third arm 138. In some embodiments, the first throw apertures 158, 162 or the second throw apertures 170, 174 may be eliminated. In some embodiments, one or both of the soft wire apertures 154, 166 may be eliminated. In some embodiments, the spring aperture 150 may be eliminated.
- the control link 82 pushes on the first arm 130 of the bellcrank 50 so that the bellcrank is rotated about the second axis 78 in a clockwise direction.
- the rotation of the bellcrank 50 results in the governor spring holder 178 pulling the governor spring 90 and increasing the tension applied to the governor arm 86.
- the increased tension urges the governor system 54 to increase the speed of the engine 30.
- the speed control cam surface 126 does not contact the ground switch 102, and the engine 30 is permitted to operate or run.
- the transport link 98 actuates the transport valve system 58 such that fuel is provided from the fuel tank 34 to the carburetor 42.
- the speed control system 38 can be arranged to work with a first solid wire actuator 182 connected to the control lever remote aperture 110.
- the first solid wire actuator 182 is arranged to push the speed control lever 46 in the right lever direction A to the HSNL arrangement (shown in red).
- the first solid wire actuator 182 is arranged to pull the speed control lever 46 into an off position (shown in blue).
- the speed control system 38 can also be arranged to work with a second solid wire actuator 186 connected to the control lever remote aperture 110.
- the second solid wire actuator 186 is arranged to pull the speed control lever 46 in the left lever direction B to the HSNL arrangement and to push the speed control lever 46 to the off position.
- the speed control system 38 can also be arranged to work with a third solid wire actuator 190 connected to one of the first throw apertures 158, 162.
- the third solid wire actuator 190 is arranged to pull the second arm 134 of the bellcrank 50 in the front bellcrank direction C to the HSNL arrangement and to push the second arm 134 of the bellcrank 50 in the back bellcrank direction D to the off position.
- the speed control system 38 can also be arranged to work with a fourth solid wire actuator 194 connected to one of the second throw apertures 170, 174.
- the fourth solid wire actuator 194 is arranged to pull the third arm 138 of the bellcrank 50 in the left bellcrank direction E to the HSNL arrangement and to push the third arm 138 of the bellcrank 50 to the off position.
- the control link 82 connects the speed control lever 46 and the bellcrank 50 so that the movements of the speed control lever 46 and the bellcrank 50 are coordinated.
- the coordinated action of the speed control lever 46 and the bellcrank 50 results in actuation of the ground switch 102 and the transport valve system 58 via the remote actuators 182, 186, 190, 194 in addition to speed control, so that the speed control system 38 can be actuated between the HSNL arrangement, a low speed no load (LSNL) arrangement (see FIG. 18 ), and the off position (i.e., an ignition and fuel shutoff position).
- LSNL low speed no load
- the control lever remote aperture 110 defines a first actuation distance 200 that is about 27.7 millimeters. In other embodiments, the first actuation distance can be more or less than 27.7 millimeters.
- the first long throw aperture 162 defines a second actuation distance 204 that is less than the first actuation distance and can be about twenty millimeters (20 mm). In other embodiments, the second actuation distance can be more or less than 20 mm.
- the first short throw aperture 158 defines a third actuation distance 208 that is less than the second actuation distance 204 and can be about fifteen millimeters (15 mm). In other embodiments, the first actuation distance can be more or less than 15 mm.
- the second long throw aperture 174 is also arranged to define the second actuation distance 204
- the second short throw aperture 170 is arranged to define the third actuation distance 208.
- the first actuation distance 200, the second actuation distance 204, and the third actuation distance 208 in addition to the ability of the speed control system 38 to operate using five different directions A-E allows the speed control system 38 to be incorporated into a wide variety of systems.
- the engine 30 may be installed as a retrofit into a system originally designed to operate with a different engine type or manufacturer.
- the speed control system 38 can be arranged in a remote controlled speed and manually controlled ignition and fuel shutoff mode.
- the control link 82 is removed so that the speed control lever 46 and the bellcrank 50 operate independently.
- the speed control lever 46 is manipulated manually by a user between an on position and an off position.
- the transport valve system 58 In the on position, the transport valve system 58 is actuated so that fuel is provided to the carburetor 42 and the speed control cam surface 126 does not engage the ground switch 102 so that the engine 30 can operate.
- the transport valve system 58 In the off position, the transport valve system 58 is actuated so that fuel is inhibited from flowing to the carburetor 42 and the speed control cam surface 126 engages the ground switch 102 so that the engine 30 is inhibited from operating.
- the first solid wire actuator 182 or the second solid wire actuator 186 may be installed and control the speed control lever 46.
- a return spring 212 is attached between the spring aperture 150 on the first arm 130 and bracket 70 so that the bellcrank 50 is biased toward the idle position (shown in blue).
- the bellcrank 50 can be connected to either of the third solid wire actuator 190 or the fourth solid wire actuator 194 as discussed above to control engine speed.
- a soft wire holder 216 can be connected to either the first soft wire aperture 154 or the second soft wire aperture 166.
- the bellcrank 50 can be actuated by a first soft wire actuator 220 connected to the soft wire holder 216 installed in the first soft wire aperture 154.
- the first soft wire actuator 220 can pull the second arm 134 of the bellcrank 50 in the front bellcrank direction C to achieve the HSNL arrangement.
- the bellcrank 50 can also be actuated by a second soft wire actuator 224 connected to the sot wire holder 216 installed in the second soft wire aperture 166.
- the second soft wire actuator 224 can pull the third arm 138 of the bellcrank 50 in the left bellcrank direction E to achieve the HSNL arrangement.
- the return spring 212 moves the bellcrank 50 back into the idle position.
- the first soft wire aperture 154 and the second soft wire aperture 166 define a fourth actuation distance 226 that is less than the second actuation distance 204 and larger than the third actuation distance 208.
- the fourth actuation distance is about 17.5 millimeters. In other embodiments, the fourth actuation distance can be more or less than 17.5 millimeters.
- the speed control system 38 can be arranged in a fixed speed control arrangement.
- a securing element or fastener in the form of shoulder screw 228 is secured through the first soft wire aperture 154 and into the bracket 70 so that the bellcrank 50 is fixed in place relative to the bracket 70.
- the control link 82 is removed so that the speed control lever 46 can be manipulated either manually or with the first or second solid wire actuators 182, 186 to provide ignition and fuel shutoff.
- FIGS. 11-21 show another speed control system 232 that is similar to the speed control system 38 discussed above.
- a loose kit 236 can be provided with the engine 30 and includes the shoulder screw 228; the return spring 212; the soft wire holder 216 including a clip 240, a retainer nut 244, and a screw 248; a casing clamp 252 and a screw 256 for securing actuators; and a mounting bracket 260 that can be used to mount the first solid wire actuator 182.
- the engine 30 provides a number of access points for adjusting the speed control system 38.
- a high speed tang bender 264 can be used to adjust the governor spring holder 178.
- a wrench 268 can be used to adjust the speed control lever 46 as shown at 272 or to install a remote actuator at 276.
- a driver 280 can be used to install an actuator or install/adjust the soft wire holder 216.
Claims (15)
- Moteur (30) comprenant :un réservoir de carburant (34) ;un carburateur (42) comprenant une soupape d'étranglement entre une première position de manette des gaz et une seconde position de manette des gaz ;un système de régulateur (54) conçu pour déplacer la soupape d'étranglement ; etun système de contrôle de vitesse (38) comprenant :un levier de commande (46) mobile entre une première position et une seconde position, et définissant une ouverture distante du levier de commande (110) dans une poignée (106) du levier de commande (46) qui définit une première distance d'activation (200), etun guignol (50) mobile entre une position de ralenti et une position de grande vitesse, et définissant un premier bras (130), un deuxième bras (134) et un troisième bras (138), une première ouverture longue portée (162) ou une seconde ouverture longue portée (174) du deuxième bras (14) définissant une deuxième distance d'activation (204) différente de la première distance d'activation, le guignol étant couplé au système de régulateur (54),le système de contrôle de vitesse (38) étant structuré pour être contrôlé par un dispositif d'actionnement à distance (182, 186, 190, 194) conçu pour s'engager dans un parmi l'ouverture distante du levier de commande (110), le deuxième bras (134) ou le troisième bras (138) pour déplacer le levier de commande (46) et le guignol (50), etdans lequel le moteur (30) est structuré pour aider la commande à distance de fournir une commande d'une direction droite de levier (A) quand le dispositif d'actionnement à distance s'engage dans l'ouverture distante du levier de commande (110), d'une direction gauche de levier (B) opposée à la direction droite de levier quand le dispositif d'actionnement s'engage dans l'ouverture distante du levier de commande (110), d'une direction avant de guignol (C) quand le dispositif d'actionnement à distance s'engage dans le deuxième bras (134), une direction arrière de guignol (D) opposée à la direction avant de guignol quand le dispositif d'actionnement à distance s'engage dans le deuxième bras (134), et une direction gauche de guignol (E) différente de la direction avant de guignol et de la direction arrière de guignol quand le dispositif d'actionnement à distance s'engage dans le troisième bras (138).
- Moteur selon la revendication 1, dans lequel la première distance d'actionnement est d'environ 27,7 millimètres, et la deuxième distance d'actionnement est choisie parmi 15 millimètres, 17,5 millimètres et 20 millimètres.
- Moteur selon la revendication 1 ou la revendication 2, dans lequel l'ouverture distante du levier de commande (110) est dimensionnée pour recevoir un dispositif d'actionnement à fil solide (182) du dispositif d'actionnement distant.
- Moteur selon la revendication 1 ou la revendication 2 ou la revendication 3, dans lequel le deuxième bras (134) comprend une ouverture (154, 158, 162) conçue pour engager un dispositif d'actionnement entre un dispositif d'actionnement à fil solide (190) et un dispositif d'actionnement à fil flexible (220).
- Moteur selon la revendication 1 ou l'une quelconque des revendications 2 à 4, dans lequel le guignol (50) est couplé au levier de commande (46) via une liaison de commande (82) de sorte que déplacer le levier de commande entre la première position et la seconde position déplace le guignol (50) entre la position de ralenti et la position de grande vitesse.
- Moteur selon la revendication 1 ou l'une quelconque des revendications 2 à 5, dans lequel le levier de commande (46) et le guignol (50) sont couplés à un support (70) ; et facultativement ou préférentiellement, dans lequel le guignol peut se fixer sur le support de sorte que le guignol est empêché de bouger par rapport au support.
- Moteur selon la revendication 1 ou l'une quelconque des revendications 2 à 6, comprenant en outre un élément de coupure électrique (102) positionné pour être actionné par le levier de commande.
- Moteur selon la revendication 7, dans lequel :(i) l'élément de coupure électrique comprend un bouton de démarrage mis à la terre ; et/ou(ii) le levier de commande est mis à la terre au moteur, etl'élément de coupure électrique étant un câble de raccordement à la terre de l'allumage (102) configuré pour relier à la terre un circuit de démarrage quand il entre en contact avec le levier de commande.
- Moteur selon la revendication 1 ou l'une quelconque des revendications 2 à 8, comprenant en outre une soupape de transfert (58) couplée fluidiquement entre le réservoir de carburant (34) et le carburateur (42), la soupape de transfert incluant un élément de soupape mobile entre une position de soupape ouverte permettant un écoulement de carburant entre le réservoir de carburant et le carburateur et une position de soupape fermée qui empêche l'écoulement de carburant entre le réservoir de carburant et le carburateur,
l'élément de soupape étant mobile en réponse au levier de commande (46). - Moteur selon la revendication 1 ou l'une quelconque des revendications 2 à 9, dans lequel le levier de commande et le guignol (50) fonctionnent indépendamment, de sorte que le guignol affecte la vitesse du moteur et le levier de commande (46) commande un coupe-circuit de démarrage et une coupure de carburant.
- Moteur selon la revendication 1 ou l'une quelconque des revendications 2 à 10, dans lequel le système de contrôle de vitesse (38) peut être arrangé en un mode de commande à distance, un mode manuel ou un mode de vitesse fixe.
- Moteur selon la revendication 1 ou l'une quelconque des revendications 2 à 9, et 11, dans lequel :(i) le système de contrôle de vitesse inclut un lien de contrôle (82) couplant le levier de commande au guignol ; et/ou(ii) une position du levier de commande est contrôlée par le guignol.
- Moteur selon la revendication 1 ou l'une quelconque des revendications 2 à 12, dans lequel :(i) le levier de commande (46) est mobile entre une position de grande vitesse, une position de faible vitesse et une position d'arrêt ; et/ou(ii) le levier de commande (46) commande un coupe-circuit, une coupure de carburant, et affecte la vitesse du moteur.
- Moteur selon la revendication 1 ou l'une quelconque des revendications 2 à 13, dans lequel une seconde ouverture courte portée (170) du troisième bras (134) définit en outre une troisième distance d'actionnement (208) inférieure à la deuxième distance d'activation ; et facultativement ou préférentiellement dans lequel la deuxième distance d'actionnement est d'environ vingt millimètres et la troisième distance d'actionnement est d'environ quinze millimètres.
- Moteur selon la revendication 14, dans lequel le guignol définit en outre une quatrième distance d'actionnement qui est d'environ 17,5 millimètres.
Applications Claiming Priority (2)
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US201762466257P | 2017-03-02 | 2017-03-02 | |
US201762466985P | 2017-03-03 | 2017-03-03 |
Publications (2)
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EP3369921A1 EP3369921A1 (fr) | 2018-09-05 |
EP3369921B1 true EP3369921B1 (fr) | 2023-04-19 |
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Application Number | Title | Priority Date | Filing Date |
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EP18158064.8A Active EP3369921B1 (fr) | 2017-03-02 | 2018-02-22 | Système de commande de régime moteur |
EP18158063.0A Active EP3369920B1 (fr) | 2017-03-02 | 2018-02-22 | Système de soupape de transport pour équipement d'alimentation extérieur |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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EP18158063.0A Active EP3369920B1 (fr) | 2017-03-02 | 2018-02-22 | Système de soupape de transport pour équipement d'alimentation extérieur |
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EP (2) | EP3369921B1 (fr) |
CN (2) | CN108533420B (fr) |
Families Citing this family (1)
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CN113982764B (zh) * | 2021-11-10 | 2023-09-08 | 中国煤炭科工集团太原研究院有限公司 | 一种电控防爆发动机气电双控高温熄火保护装置 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE674170C (de) * | 1935-08-24 | 1939-04-06 | Zenith Carburateurs Soc Gen | Einrichtung bei Vergasern fuer Brennkraftmaschinen mit Biegehautbrennstoffdruckregler |
DE1476148A1 (de) * | 1964-09-21 | 1969-03-13 | Arpaia Michael Albert | Vorrichtung und Verfahren fuer die Bildung eines Brennstoff-Luftgemisches fuer Verbrennungsmotoren |
US3844311A (en) * | 1972-11-10 | 1974-10-29 | H Mcswain | Valve control apparatus |
CA1043202A (fr) * | 1974-12-19 | 1978-11-28 | Harold Phelps | Systeme de carburateur et d'alimentation en carburant |
JPS56154145A (en) * | 1980-04-30 | 1981-11-28 | Suzuki Motor Co Ltd | Intake fuel-air mixture control device for engine |
DE19549113C1 (de) * | 1995-12-29 | 1997-07-31 | Wacker Werke Kg | Gasbetätigungsvorrichtung für zum Anbau an Bodenverdichtungsgeräte bestimmte Verbrennungsmotoren mit Membranvergaser |
US6213083B1 (en) * | 1997-01-08 | 2001-04-10 | Briggs & Stratton Corporation | Fuel shutoff system |
US6082323A (en) * | 1997-01-08 | 2000-07-04 | Briggs & Stratton Corporation | Fuel shutoff system |
DE19722319B4 (de) * | 1997-05-28 | 2008-12-11 | Andreas Stihl Ag & Co. | Vergaser für eine Brennkraftmaschine |
JPH1182885A (ja) * | 1997-09-12 | 1999-03-26 | Tlv Co Ltd | フロ―ト式ドレントラップ |
SE515433C2 (sv) * | 1999-12-01 | 2001-08-06 | Svedala Compaction Equipment A | Enspaksmanövrerad vibratorstamp för säker hantering av stampen vid användning och transport samt förfarande vid en sådan vibratorstamp |
JP2001200735A (ja) * | 2000-01-18 | 2001-07-27 | Honda Motor Co Ltd | 作業機のスロットル調整装置 |
US6640770B2 (en) * | 2001-10-04 | 2003-11-04 | Walbro Corporation | Evaporative emission control apparatus for a combustion engine |
JP4119327B2 (ja) * | 2003-08-04 | 2008-07-16 | 本田技研工業株式会社 | エンジンの燃料供給制御装置 |
US7152580B2 (en) * | 2004-12-16 | 2006-12-26 | Tecumseh Products Company | Engine speed control with high speed override mechanism |
US7263981B2 (en) * | 2005-05-23 | 2007-09-04 | Walbro Engine Management, L.L.C. | Controlling evaporative emissions in a fuel system |
WO2007043916A1 (fr) * | 2005-10-07 | 2007-04-19 | Husqvarna Ab | Mecanisme d'enrichisseur de carburateur |
US20080302332A1 (en) * | 2007-06-05 | 2008-12-11 | Walbro Engine Management, L.L.C. | Split-bore stratified charge carburetor |
US8408183B2 (en) * | 2008-04-22 | 2013-04-02 | Briggs & Stratton Corporation | Ignition and fuel shutoff for engine |
CN101886593A (zh) * | 2010-07-14 | 2010-11-17 | 苏州市双马机电有限公司 | 数码便携式发电机快速起动油路系统 |
US8690075B2 (en) * | 2011-11-07 | 2014-04-08 | Caterpillar Inc. | Fuel injector with needle control system that includes F, A, Z and E orifices |
US9074535B1 (en) * | 2013-12-19 | 2015-07-07 | Kohler Co. | Integrated engine control apparatus and method of operating same |
CN204627816U (zh) * | 2015-05-26 | 2015-09-09 | 苏小娅 | 一种输油泵 |
-
2018
- 2018-02-22 EP EP18158064.8A patent/EP3369921B1/fr active Active
- 2018-02-22 EP EP18158063.0A patent/EP3369920B1/fr active Active
- 2018-02-27 CN CN201810160903.4A patent/CN108533420B/zh active Active
- 2018-02-28 CN CN201810167096.9A patent/CN108533421B/zh active Active
Also Published As
Publication number | Publication date |
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EP3369921A1 (fr) | 2018-09-05 |
CN108533420B (zh) | 2021-03-09 |
CN108533420A (zh) | 2018-09-14 |
EP3369920A1 (fr) | 2018-09-05 |
CN108533421A (zh) | 2018-09-14 |
CN108533421B (zh) | 2021-08-31 |
EP3369920B1 (fr) | 2021-09-22 |
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