WO2023222522A1 - Transmission à répartition de puissance - Google Patents

Transmission à répartition de puissance Download PDF

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Publication number
WO2023222522A1
WO2023222522A1 PCT/EP2023/062667 EP2023062667W WO2023222522A1 WO 2023222522 A1 WO2023222522 A1 WO 2023222522A1 EP 2023062667 W EP2023062667 W EP 2023062667W WO 2023222522 A1 WO2023222522 A1 WO 2023222522A1
Authority
WO
WIPO (PCT)
Prior art keywords
electric machine
power split
input shaft
power
split transmission
Prior art date
Application number
PCT/EP2023/062667
Other languages
German (de)
English (en)
Inventor
Klaus Baumann
Philipp Rechenbach
Raphael Himmelsbach
Gerhard Grömmer
Original Assignee
Zf Friedrichshafen Ag
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 Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2023222522A1 publication Critical patent/WO2023222522A1/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
    • 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
    • B60K6/22—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 apparatus, components or means specially adapted for HEVs
    • B60K6/38—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 apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
    • B60K6/22—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 apparatus, components or means specially adapted for HEVs
    • B60K6/36—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 apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—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 apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • 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
    • B60K6/44—Series-parallel type
    • B60K6/445—Differential gearing distribution type
    • 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
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing

Definitions

  • the invention relates to a power split transmission according to the type defined in more detail in the preamble of claim 1.
  • Generic power split transmissions are used in work machines such as agricultural machines such as tractors or construction machines such as wheel loaders.
  • the power split transmissions have a mechanical and a continuously adjustable power branch, which are summed up via a summation gear.
  • the DE 10 2019 204 909 A1 discloses a power split transmission with a drive motor, which drives an electrical power branch with a first electrical machine and a second electrical machine and which simultaneously drives a mechanical power branch, with both power branches being summed up in a summation gear.
  • the installation space and in particular the length of the transmission are very limited.
  • the present invention is therefore based on the object of creating a power split transmission which is characterized in particular by its compact design.
  • the task is solved with a generic power split transmission having the characterizing features of the main claim.
  • the power split transmission has a first electrical machine, which is in operative connection with the drive motor and the summation transmission.
  • the drive motor can be an internal combustion engine, but it is also possible for the drive motor to be an electric motor.
  • the first electrical machine is electrically connected to the second electrical machine, with the second electrical machine also being operatively connected to the summation gear. This creates a primarily coupled transmission.
  • the first electrical machine has a larger diameter than the second electrical machine and the second electrical machine has a larger diameter Length than the first electric machine. This makes it possible to arrange the first electric machine coaxially with the transmission input shaft in the axial direction between the summation gear and the drive motor and to arrange the second electric machine radially outside of the summation gear but in the area of the summation gear.
  • the first electrical machine has a large diameter, it is possible to arrange a planetary reduction gear within the first electrical machine. This makes it possible to increase the speed of the first electric machine compared to the transmission input speed.
  • the drive motor can therefore be operated at a lower speed without the first electrical machine also having to have this low speed.
  • this additional planetary reduction gear By using this additional planetary reduction gear, the overall length of the power split gear does not increase.
  • the power split transmission also has an electrical storage device, it is possible to drive the vehicle via the first electrical machine even when the drive motor is at a standstill.
  • This clutch with which the drive motor can be separated, can also be arranged within the first electrical machine, so that the overall length of the power split transmission does not increase.
  • An electronic control device can control the first electrical machine and the second electrical machine in such a way that the first electrical machine provides more electrical energy than the second electrical machine requires. This makes it possible to charge an electrical storage device, for example a battery, or to supply additional electrical consumers with electrical energy. Furthermore, there are operating points at which both electrical machines can be used simultaneously to provide electrical energy to other electrical consumers or to charge a battery. This is also called co-generative operation.
  • Fig. 1 shows a power split transmission according to the invention
  • Fig. 4 shows a power split transmission with a reduction gear between the first electric machine and the transmission input shaft
  • Fig. 5 shows a power split transmission with a clutch between the transmission input shaft and the drive motor.
  • FIG. 6 shows a power split transmission with a reduction gear between the first electric machine and the transmission input shaft, wherein the transmission input shaft is not arranged coaxially to the summation gear.
  • the overall length of the first electrical machine 2 is smaller than the overall length of the second electrical machine 3.
  • the summation gear 5 is in operative connection with other planetary gears, which via the clutches K1, K2, K3, K4 and the brake B can switch four driving ranges.
  • the summation gear 5 with the other planetary gears is also referred to as a shift drum.
  • the second electrical machine 3 is arranged radially outside the shift drum, but in the axial region of the shift drum. Due to the small diameter of the second electrical machine 3, the transmission only widens slightly.
  • the clutch for forward travel KV and the clutch for reverse travel KR make it possible to use the driving ranges in forward and reverse travel.
  • the drive wheels of the rear axle and front axle are driven via the connection to the rear axle 10 and the connection to the front axle 11.
  • the table lists the clutches that are necessary to switch the driving ranges in the forward direction and the driving ranges in the reverse direction.
  • the first driving range is shown in the forward direction of travel
  • in the second line the second driving range is shown in the forward driving direction
  • in the third line the third driving range is shown in the forward driving direction
  • in the fourth line the fourth driving range is in the forward driving direction shown.
  • the fifth line shows the first driving range in the reverse direction
  • the sixth line shows the second driving range in the reverse direction
  • the seventh line shows the third driving range in the reverse direction
  • the eighth line shows the fourth driving range in the reverse direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Structure Of Transmissions (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

L'invention concerne une transmission à répartition de puissance comprenant une première machine électrique (2) et une seconde machine électrique (3), qui forment la branche à variation continue de la transmission à répartition de puissance. La première machine électrique (2) a un diamètre plus grand que le diamètre de la seconde machine électrique (3). La première machine électrique (2) est agencée entre la bride intermédiaire (1) et la partie de maintien (5).
PCT/EP2023/062667 2022-05-17 2023-05-11 Transmission à répartition de puissance WO2023222522A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022204881.4 2022-05-17
DE102022204881.4A DE102022204881A1 (de) 2022-05-17 2022-05-17 Leistungsverzweigungsgetriebe

Publications (1)

Publication Number Publication Date
WO2023222522A1 true WO2023222522A1 (fr) 2023-11-23

Family

ID=86605633

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/062667 WO2023222522A1 (fr) 2022-05-17 2023-05-11 Transmission à répartition de puissance

Country Status (2)

Country Link
DE (1) DE102022204881A1 (fr)
WO (1) WO2023222522A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1279543A2 (fr) * 2001-07-23 2003-01-29 Nissan Motor Co., Ltd. Chaîne motrice hybride pour véhicules
WO2009010819A1 (fr) * 2007-07-17 2009-01-22 Renault Trucks Groupe motopropulseur comprenant un système de récupération d'énergie optimisé
EP2554447A1 (fr) * 2010-03-30 2013-02-06 Toyota Jidosha Kabushiki Kaisha Dispositif de commande d'entraînement pour véhicule hybride
US20160185206A1 (en) * 2013-09-26 2016-06-30 Aisin Aw Co., Ltd. Hybrid drive device
WO2020035258A1 (fr) * 2018-08-17 2020-02-20 Zf Friedrichshafen Ag Transmission de véhicule automobile, notamment pour véhicule utilitaire agricole ou municipal, et chaîne cinématique de véhicule automobile
DE102019200966A1 (de) * 2019-01-25 2020-07-30 Zf Friedrichshafen Ag Leistungsverzweigtes Kraftfahrzeuggetriebe
DE102019204909A1 (de) 2019-04-05 2020-10-08 Zf Friedrichshafen Ag Getriebe, Getriebebaugruppe und Antriebsstrang
DE102019211678A1 (de) * 2019-08-02 2021-02-04 Zf Friedrichshafen Ag Antriebssystem und Verfahren zum Betreiben eines Antriebssystems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010003941A1 (de) 2010-04-14 2011-10-20 Zf Friedrichshafen Ag Stufenlose Getriebevorrichtung mit Leistungsverzweigung
DE102017219999A1 (de) 2017-11-10 2019-05-16 Zf Friedrichshafen Ag Stufenloses Leistungsverzweigungsgetriebe mit wenigstens vier Fahrbereichen
DE102018213871A1 (de) 2018-08-17 2020-02-20 Zf Friedrichshafen Ag Leistungsverzweigungsgetriebe

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1279543A2 (fr) * 2001-07-23 2003-01-29 Nissan Motor Co., Ltd. Chaîne motrice hybride pour véhicules
WO2009010819A1 (fr) * 2007-07-17 2009-01-22 Renault Trucks Groupe motopropulseur comprenant un système de récupération d'énergie optimisé
EP2554447A1 (fr) * 2010-03-30 2013-02-06 Toyota Jidosha Kabushiki Kaisha Dispositif de commande d'entraînement pour véhicule hybride
US20160185206A1 (en) * 2013-09-26 2016-06-30 Aisin Aw Co., Ltd. Hybrid drive device
WO2020035258A1 (fr) * 2018-08-17 2020-02-20 Zf Friedrichshafen Ag Transmission de véhicule automobile, notamment pour véhicule utilitaire agricole ou municipal, et chaîne cinématique de véhicule automobile
DE102019200966A1 (de) * 2019-01-25 2020-07-30 Zf Friedrichshafen Ag Leistungsverzweigtes Kraftfahrzeuggetriebe
DE102019204909A1 (de) 2019-04-05 2020-10-08 Zf Friedrichshafen Ag Getriebe, Getriebebaugruppe und Antriebsstrang
DE102019211678A1 (de) * 2019-08-02 2021-02-04 Zf Friedrichshafen Ag Antriebssystem und Verfahren zum Betreiben eines Antriebssystems

Also Published As

Publication number Publication date
DE102022204881A1 (de) 2023-11-23

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