WO2021092682A1 - Entraînement d'accessoire hybride - Google Patents

Entraînement d'accessoire hybride Download PDF

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Publication number
WO2021092682A1
WO2021092682A1 PCT/CA2020/051528 CA2020051528W WO2021092682A1 WO 2021092682 A1 WO2021092682 A1 WO 2021092682A1 CA 2020051528 W CA2020051528 W CA 2020051528W WO 2021092682 A1 WO2021092682 A1 WO 2021092682A1
Authority
WO
WIPO (PCT)
Prior art keywords
hybrid
implement drive
input
implement
recited
Prior art date
Application number
PCT/CA2020/051528
Other languages
English (en)
Inventor
Daniel Girard
Jean-François DIONNE
Original Assignee
Transmission Cvtcorp Inc.
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 Transmission Cvtcorp Inc. filed Critical Transmission Cvtcorp Inc.
Publication of WO2021092682A1 publication Critical patent/WO2021092682A1/fr

Links

Classifications

    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/28—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of power take-off
    • 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
    • E02F9/202—Mechanical transmission, e.g. clutches, gears
    • 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
    • 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
    • E02F9/2079—Control of mechanical transmission

Definitions

  • the present disclosure generally relates to implements to be used with work vehicles. More specifically, the present disclosure is concerned with a hybrid drive for such implements.
  • the present disclosure generally relates to implements that are conventionally attached to the PTO (Power Take-Off) connection of an agricultural or industrial vehicle, i.e. a work vehicle, the vehicle comprising a prime mover, generally in the form of Internal Combustion Engine (ICE) and ground drive wheels driven by a main or traction drive transmission.
  • PTO Power Take-Off
  • ICE Internal Combustion Engine
  • the prime mover of work vehicle is generally sized according to the maximal power that the vehicle may require, plus a safety margin.
  • the power that may be transferred from the prime mover to the PTO is part of that calculation.
  • prime movers of work vehicles are routinely oversized to take the PTO output power into account, and that leads to prime movers that therefore often work outside of their most efficient zones when the PTO is not used.
  • Figure 1 is a block diagram view of a work vehicle provided with a hybrid implement drive provided between the PTO and the implement;
  • Figure 2 is a block diagram of the hybrid implement drive of the work vehicle of Figure 1 , according to a first illustrative embodiment;
  • Figure 3 is a block diagram of the hybrid implement drive of the work vehicle of Figure 1 , according to a second illustrative embodiment.
  • Figure 4 is a block diagram similar to Figure 1 but illustrating a third embodiment where the hybrid implement drive is part of the implement.
  • An object is generally to provide a hybrid implement drive.
  • a hybrid implement drive provided with an input connectable to an output shaft of a prime mover and a hybrid output connectable to the input shaft of an implement
  • the hybrid implement drive comprising: a hybrid driveline interconnecting the input and the hybrid output of the hybrid implement drive; the hybrid driveline including a transmission provided with an input and an output; a secondary power generator provided with an output connected to the hybrid driveline; and a controller so associated with the secondary power generator as to selectively allow power developed by the secondary power generator to be combined with power developed by the prime mover.
  • Continuously Variable Transmission is to be construed, herein and in the appended claims as any type of Continuously variable transmission including, amongst others dual-cavity full toroidal CVT, half-toroidal CVT; single cavity toroidal CVT, Variable-diameter pulley CVT, Magnetic CVT, Ratcheting CVT, hydrostatic CVT, Cone CVT and planetary CVT.
  • CVT is also to be construed, herein and in the appended claims, as a CVT provided with further elements allowing it to operate as an IVT, standing for Infinitely Variable Transmission, a subset of CVT designs in which the range of ratios of output shaft speed to input shaft speed includes a zero ratio.
  • connection and “coupled” are interchangeable and should be construed herein and in the appended claims broadly so as to include any cooperative or passive association between mechanical parts or components.
  • such parts may be assembled together by direct coupling or connection, or indirectly coupled or connected using further parts in between.
  • the coupling and connection can also be remote, using for example a magnetic field or else.
  • implement should be construed herein and in the appended claims as any element, tool or device connected to the PTO shaft to be driven thereby.
  • implements bailers, feed mixers, spreaders, disc mowers, rotary rakes, aerators, rotary mowers, sprayers, and concrete mixer.
  • the illustrative embodiments describe a hybrid implement drive, that may be integrated with an implement, provided between the PTO of a work vehicle and an implement.
  • the hybrid implement drive includes a mechanical power input and a secondary power generator, for example in the form of an electric motor, that may supplement or replace the mechanical power input.
  • FIG. 1 of the appended drawings schematically illustrates a work vehicle drivetrain 10, a hybrid implement drive 12 provided between a PTO shaft 14 and an implement 16.
  • the work vehicle drivetrain 10 includes a prime mover, in the form of an Internal Combustion Engine (ICE) 18, having an output shaft connected to the input of a drive transmission 20.
  • the output of the drive transmission 20 is conventionally connected to the wheels 22 of the vehicle.
  • the drivetrain 10 also includes the PTO shaft 14 allowing implements to be driven by the ICE 18.
  • ICE Internal Combustion Engine
  • the hybrid implement drive 12 includes a PTO mechanical input 24, an electrical input 26 and a hybrid PTO output 28 connectable to an implement.
  • the electrical input 26 is connectable to an electrical source, for example an AC outlet or an external DC power source (both not shown).
  • an electrical source for example an AC outlet or an external DC power source (both not shown).
  • One skilled in the art is believed in a position to design the required electric circuits (not shown) depending on the type of electrical source considered.
  • the hybrid implement drive 12 includes a hybrid driveline 30 interconnecting the PTO mechanical input 24 and the hybrid PTO output 28.
  • the hybrid driveline 30 includes an intermediate shaft 31 interconnecting the PTO mechanical input 24 and a clutch 32.
  • the output of the clutch 32 is connected to the input of a Continually Variable Transmission (CVT) 34, the output of which defines the hybrid PTO output 28.
  • CVT Continually Variable Transmission
  • a gear train 36 includes a first gear 38 rotating with the intermediate shaft 31 and a second gear 40 meshed with the first gear 38.
  • the second gear 40 is mounted to the shaft of a secondary power generator, shown herein in the form of an electric motor 42.
  • a motor controller 44 controls and powers the motor 42 and is powered either by a battery 46 or from the electrical input 26, as will be described hereinbelow. Accordingly, the controller 44 includes an electrical input and a battery input.
  • the gear train 36 is so sized that the natural rotational speed of the electric motor 42 is brought to the constant rotational speed of the PTO.
  • the user of the work vehicle has direct or indirect control on the operation of the clutch 32, the CVT 34 and the motor controller 44.
  • both the PTO input 24 and the output of the electric motor 42 rotate at the same speed, thanks to the gear train 36, they can be energized at the same time to deliver more power to the implement 16 via the CVT 34.
  • the motor controller 44 and therefore the motor 42, can be powered by either a battery 46 or a grid connection from the electrical input 26. Accordingly, if the electric motor 42 is powerful enough to drive the specific implement attached, it is possible to operate the implement without a PTO connection.
  • the motor controller 44 can also have battery charging features. For example, if the motor controller 44 senses that the electrical input connection 26 is connected to the utility grid and that the battery 46 is not fully charged, it can charge the battery. [0038] Similarly, if there is no need to energize the implement, the clutch 32 can be disengaged and the motor 42 can be used as a generator to recharge the battery from the PTO shaft rotation. In another case, if only the power from the PTO is desired and/or required to operate the implement, the clutch can be engaged and the excess power from the PTO can be used to recharge the battery 46 via the motor 42 working as a generator.
  • hybrid implement drive 12’ according to a second illustrative embodiment will be described. Since the hybrid implement drive 12’ is very similar to the hybrid implement drive 12 of Figure 2, and for concision purpose, only the differences therebetween will be described.
  • the main difference between the drive 12’ and the drive 12 of Figure 2 is the connection of the electric motor 42’ downstream from the CVT 34.
  • the input of the CVT 34 is directly connected to the PTO input and the output of the CVT 34 is connected to the gear train 36 and to the clutch 32.
  • the speed of the motor 42’ must also be variable, which was not necessary the case for motor 42 of Figure 2. As shown in Figure 3, one will also note that the CVT 34 supplies output speed data to the controller 44’ so that the speed of the motor 42’ can be matched.
  • the motor controller 44 or 44’ could be integrated with a main controller of the vehicle or implement.
  • the battery 46 could be omitted.
  • the battery 46 is therefore considered optional.
  • a clutch (not shown) could be provided between the motor 42 and the gear train 36 to disconnect the motor 42 when it is not used.
  • hybrid implement drive is not limited in its application to the details of construction and parts illustrated in the accompanying drawings and described hereinabove.
  • the hybrid implement drive is capable of other embodiments and of being practiced in various ways.
  • phraseology or terminology used herein is for the purpose of description and not limitation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

L'invention concerne un entraînement d'accessoire hybride, un générateur d'énergie secondaire pouvant être actionné de telle sorte que la puissance développée par ce dernier peut être ajoutée à la puissance développée par un moteur primaire.
PCT/CA2020/051528 2019-11-14 2020-11-12 Entraînement d'accessoire hybride WO2021092682A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962935113P 2019-11-14 2019-11-14
US62/935,113 2019-11-14

Publications (1)

Publication Number Publication Date
WO2021092682A1 true WO2021092682A1 (fr) 2021-05-20

Family

ID=75911331

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2020/051528 WO2021092682A1 (fr) 2019-11-14 2020-11-12 Entraînement d'accessoire hybride

Country Status (1)

Country Link
WO (1) WO2021092682A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020125052A1 (en) * 2001-03-12 2002-09-12 Masami Naruse Hybrid construction equipment
US20030162619A1 (en) * 2002-02-25 2003-08-28 Deere & Company, A Delaware Corporation Transmission for power take-off
US20100219007A1 (en) * 2007-07-12 2010-09-02 Odyne Systems, Llc Hybrid vehicle drive system and method and idle reduction system and method
US20120266701A1 (en) * 2009-12-18 2012-10-25 Yoshiaki Yamada Accessory drive mechanism for hybrid vehicle
US20130066496A1 (en) * 2011-09-08 2013-03-14 Norihiro Ishii Hybrid Working Vehicle
US20140039756A1 (en) * 2011-02-17 2014-02-06 Cnh America Llc Pto transmission system in a work vehicle
US20180154773A1 (en) * 2013-11-18 2018-06-07 Power Technology Holdings Llc Hybrid vehicle drive system and method using split shaft power take off

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020125052A1 (en) * 2001-03-12 2002-09-12 Masami Naruse Hybrid construction equipment
US20030162619A1 (en) * 2002-02-25 2003-08-28 Deere & Company, A Delaware Corporation Transmission for power take-off
US20100219007A1 (en) * 2007-07-12 2010-09-02 Odyne Systems, Llc Hybrid vehicle drive system and method and idle reduction system and method
US20120266701A1 (en) * 2009-12-18 2012-10-25 Yoshiaki Yamada Accessory drive mechanism for hybrid vehicle
US20140039756A1 (en) * 2011-02-17 2014-02-06 Cnh America Llc Pto transmission system in a work vehicle
US20130066496A1 (en) * 2011-09-08 2013-03-14 Norihiro Ishii Hybrid Working Vehicle
US20180154773A1 (en) * 2013-11-18 2018-06-07 Power Technology Holdings Llc Hybrid vehicle drive system and method using split shaft power take off

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