WO2007017975A1 - Système hybride et procédé de commande idoine - Google Patents

Système hybride et procédé de commande idoine Download PDF

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Publication number
WO2007017975A1
WO2007017975A1 PCT/JP2006/308876 JP2006308876W WO2007017975A1 WO 2007017975 A1 WO2007017975 A1 WO 2007017975A1 JP 2006308876 W JP2006308876 W JP 2006308876W WO 2007017975 A1 WO2007017975 A1 WO 2007017975A1
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WO
WIPO (PCT)
Prior art keywords
rotating shaft
rotating
engine
motor
hybrid system
Prior art date
Application number
PCT/JP2006/308876
Other languages
English (en)
Japanese (ja)
Inventor
Tetsuo Nakata
Yasuto Yanagida
Original Assignee
Daikin Industries, Ltd.
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 Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Publication of WO2007017975A1 publication Critical patent/WO2007017975A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/46—Series type
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
    • E02F9/2062—Control of propulsion units
    • E02F9/2075—Control of propulsion units of the hybrid type
    • 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
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the present invention relates to a hybrid system and a control method thereof, and can be applied to a heavy machine such as an excavator.
  • a hybrid system applied to a heavy machine includes an engine, a rotating machine, a hydraulic pump, and a battery.
  • the rotating machine can realize both functions of an electric motor and a generator. When the rotating machine functions as a generator, the battery is charged.
  • Patent Document 1 Such a hybrid system is introduced in Patent Document 1, for example.
  • Patent Documents 2 and 3 Other techniques related to the present invention are disclosed in Patent Documents 2 and 3.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2001-173024
  • Patent Document 2 Japanese Utility Model Publication No. 5-12678
  • Patent Document 3 Japanese Patent Laid-Open No. 10-18968
  • the present invention has been made in view of the above-described circumstances, and aims to reduce the size of a rotating machine.
  • a first aspect of a hybrid system that is effective in the present invention is a rotating shaft (1; 11, 12), an engine (2) connected to the rotating shaft and rotating the rotating shaft, and the rotating Connected to the shaft Therefore, it is possible to realize both functions of an electric motor that converts electrical energy into mechanical energy and rotates the rotating shaft and a generator that converts mechanical energy that rotates the rotating shaft into electrical energy.
  • the control unit causes the rotating machine to function as the electric motor, and performs control for causing the rotating machine to rotate the rotating shaft and control for causing the motor to rotate the rotating shaft in parallel. Start the engine.
  • a second aspect of the hybrid system according to the present invention is the first aspect of the hybrid system, wherein after the engine (2) is started, the control unit (7) is configured so that the rotating machine (3 ) To function as the generator and control to rotate the rotating shaft (1: 11, 12) to the motor (6) using the electrical energy obtained by the rotating machine in parallel.
  • the rotating machine (3 ) To function as the generator and control to rotate the rotating shaft (1: 11, 12) to the motor (6) using the electrical energy obtained by the rotating machine in parallel.
  • a third aspect of the hybrid system according to the present invention is the first or second aspect of the hybrid system, further comprising a clutch (8), wherein the rotating shaft (1) is a part of the hybrid system. Including first and second rotating shaft portions (11, 12), wherein the clutch is provided between the first rotating shaft portion and the second rotating shaft portion, and the first rotating shaft portion
  • the engine (2) and the rotating machine (3) are connected to the part, and the driven part (4) and the motor (6) are connected to the second rotating shaft part.
  • the control unit (7) starts the engine by bringing the first rotating shaft portion and the second rotating shaft portion into contact with the clutch.
  • a fourth aspect of the hybrid system according to the present invention is the third aspect of the hybrid system, and after the start of the engine (2), the control unit (7) is configured so that the clutch (8) Control for causing the first rotating shaft portion (11) and the second rotating shaft portion (12) to be in non-contact with each other, control for causing the rotating machine (3) to function as the generator, and the rotating machine
  • the motor (6) is rotated in parallel with the control of rotating the second rotating shaft using the electrical energy obtained in step (b).
  • a fifth aspect of the hybrid system according to the present invention is any one of the first to fourth aspects of the hybrid system, wherein the control unit (7) is configured to control the engine before starting. Based on the temperature of (2) or the temperature of the oil filled in the engine before starting! The torque for starting the engine is generated in the rotating machine (3) and the motor (6) to start the engine.
  • a sixth aspect of the hybrid system according to the present invention is any one of the first to fifth aspects of the hybrid system, wherein the control unit (7) receives a torque command input in advance. Based on the value, the engine (2) is started by rotating the rotating machine (3) and the motor (6).
  • a seventh aspect of the hybrid system according to the present invention is any one of the first to fifth aspects of the hybrid system according to any one of claims 1 to 5. Then, the control unit (7) starts the engine (2) by rotating the rotating machine (3) and the motor (6) based on a rotation speed command value inputted in advance.
  • a first aspect of the hybrid system control method includes a rotating shaft (1; 11, 12), an engine (2) connected to the rotating shaft and rotating the rotating shaft, Any function of an electric motor that is connected to the rotating shaft, converts electric energy into mechanical energy and rotates the rotating shaft, and a generator that converts mechanical energy that rotates the rotating shaft into electric energy.
  • a rotating machine (3) that can be realized, a driven part (4) driven by the rotation of the rotating shaft, and a motor (6) connected to the rotating shaft and capable of rotating the rotating shaft.
  • a method for controlling a hybrid system comprising: (a-1) a step of causing the rotating machine to function as the electric motor and causing the rotating machine to rotate the rotating shaft; and (a-2) a step of rotating the rotating shaft to the motor. In parallel with the step of rotating To start the engine Te.
  • a second aspect of the hybrid system control method according to the present invention is the first aspect of the hybrid system control method, wherein after the engine (2) is started, (b-1) A step of causing the rotating machine (3) to function as the generator; and (b 2) using the electrical energy obtained by the rotating machine, the rotating shaft (1:11, 12) to the motor (6). The step of rotating is performed in parallel.
  • a third aspect of the hybrid system control method according to the present invention is the first or second aspect of the hybrid system control method, further comprising a clutch (8), wherein the rotating shaft is provided.
  • (1) includes first and second rotating shaft portions (11, 12) which are parts of the clutch, and the clutch Is provided between the first rotating shaft portion and the second rotating shaft portion, and the engine (2) and the rotating machine (3) are connected to the first rotating shaft portion,
  • the engine is started by contacting the second rotating shaft.
  • a fourth aspect of the hybrid system control method according to the present invention is the third aspect of the hybrid system control method, wherein after the start of the engine (2), (c 1) Making the clutch (8) contact the first rotating shaft (11) and the second rotating shaft (12); (c-2) rotating the rotating machine (3) to the power generation The step of functioning as a machine and the step of (c3) rotating the second rotating shaft portion in the motor (6) using the electrical energy obtained by the rotating machine are performed in parallel.
  • a fifth aspect of the hybrid system control method according to the present invention is any one of the first to fourth aspects of the hybrid system control method, wherein the engine before starting Based on the temperature of (2) or the temperature of oil filled in the engine before starting! / The required torque for starting the engine is generated by the rotating machine (3) and the motor (6) to start the engine.
  • a sixth aspect of the hybrid system control method according to the present invention is any one of the first to fifth aspects of the hybrid system control method, and includes a torque command inputted in advance. Based on the value, the engine is started by rotating the rotating machine (3) and the motor (6).
  • a seventh aspect of the hybrid system control method according to the present invention is any one of the first to fifth aspects of the hybrid system control method, wherein the rotation speed is inputted in advance. Based on the command value, the rotating machine (3) and the motor (6) are rotated to start the engine.
  • the rotating shaft is rotated using not only the rotating machine but also the motor. Easy to start. The force can also reduce the size of the rotating machine.
  • the motor rotates. By rotating the shaft, the driven part can be driven by the engine and the motor. In parallel with the rotation of the motor, the electric force can be generated by the rotating machine.
  • the first rotating shaft portion and the second rotating shaft portion are contacted by the clutch.
  • the engine can be started using not only the rotating machine but also the motor.
  • the first rotating shaft portion and the second rotating shaft portion are not contacted by the clutch. Therefore, the load on the driven part is not applied to the engine, so most of the mechanical energy generated in the engine is converted into electrical energy by the rotating machine. And a motor is rotated using the electrical energy obtained with a rotary machine. Therefore, the driven part can be driven efficiently.
  • the burden on the engine when starting the engine can be reduced.
  • FIG. 1 is a diagram conceptually showing a hybrid system that works on the present invention.
  • FIG. 2 is a diagram showing a change in a rotational speed command value.
  • FIG. 3 is a diagram showing changes in torque command values.
  • FIG. 4 is a diagram conceptually showing a hybrid system according to the present invention.
  • FIG. 5 is a diagram conceptually showing a hybrid system according to the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 conceptually shows a hybrid system according to the present invention.
  • the hybrid system includes a rotating shaft 1, an engine 2, a rotating machine 3, a driven unit 4, a motor 6, a control unit 7, a clutch 8, a rotating machine inverter 71, a motor inverter 72, a DC-DC converter 73, and a battery. Re-74.
  • the rotating shaft 1 includes rotating shaft portions 11 and 12.
  • the engine 2 is connected to the rotating shaft portion 11 and can rotate the rotating shaft portion 11.
  • Engine 2 is controlled by, for example, an engine controller.
  • a governor is connected to the engine, and the engine controller gives a command value to the governor to control the engine via the governor.
  • the rotating machine 3 is connected to the rotating shaft portion 11, and can realize both functions of an electric motor and a generator.
  • the rotating machine 3 functions as an electric motor, the electrical energy supplied from the rotating machine inverter 71 is converted into mechanical energy for rotating the rotating shaft 11.
  • the rotating machine 3 is given AC II from the rotating machine inverter 71.
  • it when it functions as a generator, it converts the mechanical energy rotating the rotating shaft 11 into electrical energy.
  • AC 13 is induced.
  • the driven part 4 is connected to the rotating shaft part 12 and is driven by the rotation of the rotating shaft part 12.
  • a hydraulic pump can be used as the driven part 4.
  • the motor 6 is connected to the rotary shaft portion 12 and can rotate the rotary shaft portion 12.
  • the clutch 8 is provided between the rotary shaft portion 11 and the rotary shaft portion 12, and these can be brought into contact with each other or can be brought into non-contact with each other.
  • the DC-DC converter 73 converts a given direct current into a desired direct current. Specifically, when the rotating machine 3 is caused to function as an electric motor, the direct current of the battery 74 is converted into a desired direct current and supplied to the rotating machine inverter 71. On the other hand, in the case of functioning as a generator, the direct current supplied from the inverter 71 for the rotating machine is converted into a desired direct current and supplied to the battery 74 to be charged. In addition, when driving the motor 6, the direct current of the notch 74 is desired. It is converted to direct current and given to the inverter 72 for the motor.
  • the DC-DC converter 73 is a force shared by the inverter 71 for the rotating machine and the inverter 72 for the motor.
  • a separate DC-DC converter is provided between the inverter and the battery. May be.
  • the rotating machine inverter 71 converts the direct current obtained from the DC-DC converter 73 into a desired alternating current and gives it to the rotating machine 3.
  • the rotating machine 3 when the rotating machine 3 is caused to function as a generator, it functions as a converter that converts alternating current induced by the rotating machine 3 into direct current.
  • the control unit 7 Whether the inverter 71 for a rotating machine functions as an inverter or whether it functions as a converter is controlled by the control unit 7 as described later.
  • the motor inverter 72 converts the direct current obtained from the DC-DC converter 73 into a desired alternating current I
  • the control unit 7 controls the clutch 8, the rotary machine inverter 71, and the motor inverter 72, respectively. Below, the control method of the hybrid system by the control part 7 is demonstrated.
  • Figure 1 conceptually shows the configuration when starting the engine! /
  • control unit 7 When starting the engine, the control unit 7 causes the rotary shaft 11 and the rotary shaft 12 to contact the clutch 8.
  • control unit 7 causes the rotating machine inverter 71 to function as an inverter, and gives a desired alternating current II from the rotating machine inverter 71 to the rotating machine 3.
  • control unit 7 controls the rotating machine 3 to rotate the rotating shaft unit 11 by causing the rotating machine 3 to function as an electric motor via the rotating machine inverter 71.
  • control unit 7 In parallel with the control of the inverter 71 for the rotating machine, the control unit 7 causes the motor inverter 72 to apply the desired AC 12 to the motor 6. That is, the control unit 7 controls the motor 6 to rotate the rotating shaft unit 12 via the motor inverter 72.
  • the torque required for starting the engine 2 can be calculated based on, for example, the temperature of the engine 2 before starting or the temperature of oil filled in the engine 2. If the control unit 7 controls the rotor 3 and the motor 6 so that the torque calculated in this way is generated, only the current necessary for starting the engine 2 can be supplied to the rotor 3 and the motor 6. good. Therefore, the engine 2 can be started efficiently.
  • the control torque can be calculated by the control unit 7.
  • the rotational speed and torque of the rotating shafts 11 and 12 for starting the engine 2 may be generated by controlling the rotating machine 3 and the motor 6 based on the respective command values. These command values are input to the control unit 7 in advance.
  • FIG. 2 shows a change in the command value R of the rotational speed of the rotating shaft portions 11 and 12.
  • the rotational speed command value R reaches the rotational speed R0 of the rotary shafts 11, 12 necessary for starting the engine 2 after starting the control for starting the engine 2 (time tO) (time tl). ) Until it rises in a ramp. Thereafter, the rotational speed command value R maintains the rotational speed R0 until the engine 2 starts (time t2).
  • FIG. 3 shows changes in the torque command value T generated by the rotor 3 and the motor 6.
  • the torque command value T increases in a ramp until the torque TO required to start engine 2 is generated (time t3) after control for starting engine 2 is started (time tO). . After that, until the engine 2 starts (time t4), the torque command value T maintains the torque TO.
  • the torque required for starting the engine 2 can be calculated by, for example, calculating the temperature and iso-force of the engine before starting as described above.
  • FIG. 4 conceptually shows a configuration after the engine 2 is started, that is, when the engine 2 is driven.
  • the control unit 7 brings the rotary shaft unit 11 and the rotary shaft unit 12 into contact with the clutch 8.
  • the control unit 7 causes the rotating machine inverter 71 to function as a converter, and converts the alternating current 13 induced by the rotating machine 3 into direct current using the rotating machine inverter 71. That is, the control unit 7 controls the rotating machine 3 to function as a generator via the rotating machine inverter 71.
  • control unit 7 In parallel with the control of the inverter 71 for the rotating machine, the control unit 7 causes the motor inverter 72 to apply the desired AC 12 to the motor 6. That is, the control unit 7 controls the motor 6 to rotate the rotating shaft unit 12 via the motor inverter 72.
  • This content can be grasped when the control unit 7 causes the motor 6 to rotate the rotating shafts 11 and 12 using the electrical energy obtained by the rotating machine 3. This is because the direct current obtained by the rotary machine inverter 71 charges the battery 74 via the DC-DC converter 73, and the motor 6 is driven using the charged battery 74. .
  • the driven part 4 is driven by the engine 2 and the motor 6 by rotating the rotating shaft part 12 to the motor 6. Can be driven. In parallel with the rotation of the motor 6, the rotating machine 3 can generate electrical energy.
  • FIG. 5 shows a configuration when the engine 2 is driven and is different from the configuration shown in FIG. That is, the control unit 7 performs the same control as described above for the inverter 71 for the rotating machine and the inverter 72 for the motor, and causes the clutch 8 to make the rotating shaft unit 11 and the rotating shaft unit 12 non-contact. Take control.
  • the rotating shaft 11 and the rotating shaft 12 are not in contact with each other by the clutch 8. Therefore, the load force of the driven portion 4 is not applied to the engine 2, and therefore Most of the mechanical energy generated in the engine 2 is converted into electrical energy by the rotating machine 3. And a motor is rotated using the electrical energy obtained with a rotary machine. Therefore, the driven part can be driven efficiently.
  • the control of the rotor 3 and the motor 6 when the rotary shaft portion 11 and the rotary shaft portion 12 are brought into contact with each other with the clutch 8 is, for example, that the noise system does not include the clutch 8.
  • the present invention can also be applied to the case where the rotary shaft portion 11 and the rotary shaft portion 12 are directly connected.
  • the rotating machine 3 can realize both functions of the electric motor and the generator. Therefore, when the motor inverter 72 fails, the drive unit 4 can be driven even if a large load is applied to the driven unit 4, and the battery 74 can be driven when the driven unit 4 can be driven only by the engine 2. Can be charged.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Operation Control Of Excavators (AREA)
  • Arrangement Of Transmissions (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

L’invention concerne un système hybride capable de réduire la taille d’une machine rotative dans une machine lourde comme une pelleteuse et un procédé de commande du système hybride. Le système hybride comprend des parties arbres rotatifs (11, 12), un moteur (2), la machine rotative (3), une partie menée (4), un moteur électrique (6), une partie commande (7) et un embrayage (8). Le moteur (2) et la machine rotative (3) sont connectés à la partie arbre rotatif (11), et la partie menée (4) et le moteur électrique (6) sont connectés à la partie arbre rotatif (12). La machine rotative (3) peut occuper les fonctions à la fois d’un moteur électrique et d’un générateur. L’embrayage (8) est installé entre la partie arbre rotatif (11) et la partie arbre rotatif (12) pour que ces parties arbres rotatifs puissent être mises en contact et désolidarisées l’une de l’autre. La partie commande (7) amène la partie arbre rotatif (11) et la partie arbre rotatif (12) en contact avec l’embrayage (8), et fait fonctionner la machine rotative (3) en tant que moteur électrique pour faire tourner la partie arbre rotatif (11) à l’aide de la machine rotative (3). Concurremment, la partie arbre rotatif (12) tourne sous l’action du moteur électrique (6) pour faire démarrer le moteur (2).
PCT/JP2006/308876 2005-08-11 2006-04-27 Système hybride et procédé de commande idoine WO2007017975A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-232950 2005-08-11
JP2005232950A JP2007045343A (ja) 2005-08-11 2005-08-11 ハイブリッドシステム及びその制御方法

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WO2007017975A1 true WO2007017975A1 (fr) 2007-02-15

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EP3865629A3 (fr) * 2020-02-17 2021-08-25 Deere & Company Systèmes de gestion de l'énergie pour les véhicules terrestres
US11137052B2 (en) 2019-08-29 2021-10-05 Deere & Company Transmission assembly with integrated CVP
US11325459B2 (en) 2020-10-09 2022-05-10 Deere & Company Low profile transmission assembly with integrated CVP
US11351983B2 (en) 2019-10-31 2022-06-07 Deere & Company Power control system with transmission transient boost function
US11585412B1 (en) 2021-12-22 2023-02-21 Deere & Company Electronically-variable, dual-path power shift transmission for work vehicles
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US11613246B2 (en) 2021-01-21 2023-03-28 Deere & Company Power control system with engine throttle shift function
US11628822B2 (en) 2021-02-09 2023-04-18 Deere & Company Power control system with stall prevention clutch modulation function
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US11913528B1 (en) 2022-10-28 2024-02-27 Deere & Company Multi-mode continuously variable transmission assembly with drop set arrangement

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KR101060600B1 (ko) * 2009-01-06 2011-09-01 자동차부품연구원 하이브리드 굴삭기
JP6022982B2 (ja) * 2013-03-29 2016-11-09 ヤンマー株式会社 ハイブリッド式駆動装置

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Cited By (11)

* Cited by examiner, † Cited by third party
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US11137052B2 (en) 2019-08-29 2021-10-05 Deere & Company Transmission assembly with integrated CVP
US11351983B2 (en) 2019-10-31 2022-06-07 Deere & Company Power control system with transmission transient boost function
EP3865629A3 (fr) * 2020-02-17 2021-08-25 Deere & Company Systèmes de gestion de l'énergie pour les véhicules terrestres
US11846085B2 (en) 2020-02-17 2023-12-19 Deere & Company Energy management system for a hybrid vehicle with an electrically powered hydraulic system
US11325459B2 (en) 2020-10-09 2022-05-10 Deere & Company Low profile transmission assembly with integrated CVP
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