WO2014029650A1 - Unité d'entraînement - Google Patents
Unité d'entraînement Download PDFInfo
- Publication number
- WO2014029650A1 WO2014029650A1 PCT/EP2013/066803 EP2013066803W WO2014029650A1 WO 2014029650 A1 WO2014029650 A1 WO 2014029650A1 EP 2013066803 W EP2013066803 W EP 2013066803W WO 2014029650 A1 WO2014029650 A1 WO 2014029650A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gear
- planetary gear
- drive unit
- sun
- gear set
- Prior art date
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
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
- F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
- F16H3/663—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another with conveying rotary motion between axially spaced orbital gears, e.g. RAVIGNEAUX
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three forward speeds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/202—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set
- F16H2200/2025—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set using a Ravigneaux set with 5 connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2038—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with three engaging means
Definitions
- the invention relates to a drive unit for an electrically driven vehicle, comprising an electric machine and a transmission having a first planetary gear set having a first sun gear, at least a first planet gear and a first ring gear, and a second sun gear, at least one second planet gear and a second ring gear
- the second planetary gear set wherein the first and the second sun gear are arranged coaxially and the first and second planet gears are rotatably supported on a common planetary carrier, and wherein the drive shaft of the electric machine is drivingly connected to the first sun gear, and at least one ring gear via a Braking device is firmly held.
- Electric drive units for vehicles are required to produce high torque levels at low speeds, but this requires large and heavy battery packs to provide the necessary amperage.
- Conventional electric machines have speeds up to 6000 rpm, which limits the top speed of electrically powered vehicles without gear ratio.
- newer generations of electric motors can be operated at speeds well above 10,000 rpm, but the gearboxes with rigid transmission ratios require technically complex bearings which can absorb both radial and axial loads at high speeds.
- Drive units with such fast-rotating electrical machines are relatively expensive, expensive and require a relatively large amount of space.
- DE 10 2009 041 085 AI discloses an automatic transmission for a motor vehicle having a first planetary gear set and a second planetary gear set and at least one switching element, wherein the two Planetengetrieberad among each having a ring gear, at least one planetary gear and a sun gear.
- the ring gears of the Planetengetrieberad among can be fixed via a respective braking device.
- the planetary gear of the first planetary gear set and the planetary gear of the second planetary gear set can be connected via a clutch.
- Drive units with at least one electric machine and two planetary gear sets are further known from the publications DE 10 2010 031 744 AI, DE 10 2010 031 746 AI, DE 10 2010 031 747 AI and DE 10 2010 032 256 AI.
- the object of the invention is to develop a compact and space-saving drive unit with which at least two different gear ratios are possible and which has few components.
- the first ring gear of the first Planetengetrieberadsatzes via a first brake device and / or the second ring gear of the second Planetengetrieberadsatzes via a second braking device be held.
- a first and possibly also a second gear ratio can be realized.
- the common planet carrier of the first and second planetary gear set is firmly held by a third braking device.
- a third braking device As a result, two or three gear ratios can be realized.
- either the first or the second brake device is advantageously installed in combination with the third brake device. If three shiftable gear ratios are desired, the first, second and third brake devices are installed.
- first ring gear and the first sun gear via a switchable coupling with each other are firmly rotatably connected. This makes it possible - in combination with the three braking devices - realize a fourth shiftable translation stage.
- the two planetary gear sets have different gear ratios.
- the speed ratio of the planetary gear sets results from the peak speed of the electric machine and the vehicle characteristics.
- Different transmission ratios in the drive train are necessary in order to realize both optimal acceleration behavior and optimal behavior at top speeds.
- the size of the electric machine and the motor control can be kept small by using multiple switchable gear ratios.
- the engine speed can be reduced at high speeds of the vehicle, which can improve the efficiency and the noise behavior.
- two to three gear stages can be realized without the use of rotating couplings. This simplifies the hydraulic seal with hydraulic actuation. In addition, friction losses are avoided.
- a fourth gear stage (1: 1 direct drive) can also be realized for high driving speeds.
- the first planetary gear set is locked, the braking devices are open.
- a clutch a multi-plate clutch, a dog clutch or a synchronizer ring system can be used.
- Fig. 1 shows schematically a drive train according to the invention
- Fig. 3 shows the drive train in a second embodiment.
- the drive train 1 for an electrically operated vehicle has an electric machine 2, whose drive shaft 3 acts via a gear 4 on an output shaft 5 for driving the vehicle.
- the transmission 4 has a first planetary gear set 10 with a first sun gear 11, a first ring gear 12 and at least one first planet gear 13, which is in meshing engagement with the first sun gear 11 and the first ring gear 12.
- the second Planetengetrieberadsatz 20 has a second sun gear 21, a second ring gear 22 and at least a second planetary gear 23, which is in meshing engagement with the second sun gear 21 and the second ring gear 22.
- the first planetary gear 13 and the second planetary gear 23 are rotatably connected to each other and rotatably supported on a common planet carrier 6.
- the first ring gear 12 may be retained via a first brake device 14, the second ring gear 22 via a second brake device 24. Furthermore, the planet carrier 6 can be held by a third braking device 34. By alternately operating one of the brake devices 14, 24, 34 and deactivating the two other brake devices, three gear stages G1, G2, G3 can be realized with different speed ratios.
- Another gear G4 can be realized when the first sun gear 11 and the drive shaft 3 of the electric machine 2 via a clutch 44 with the first ring gear 12 is firmly connected, whereby the first planetary gear 10 is locked. In this way, a direct drive with the speed ratio 1: 1 between the drive shaft 3 and the output shaft 5 can be achieved.
- the gear ratios of the first, second and third gears Gl, G2, G3 depend on the design-related gear ratios of the first planetary gear set 10 and the second planetary gear set 20, respectively, which are different.
- the first brake device 14 is activated and the two other brake devices 24 and 34 and the clutch 44 are deactivated.
- the second brake device 24 is activated and the other two brake devices 14 and 34, and the clutch 44 is deactivated.
- the third brake device 34 is activated and the other two brake devices 14 and 24, and the clutch 44 is deactivated.
- the fourth gear G4 only the clutch 44 is activated and the brake devices 14, 24 and 34 are deactivated.
- the braking devices 14, 24, 34, and the clutch 44 may be formed as multi-plate clutches, dog clutch or synchronizer clutches and hydraulically, pneumatically or electrically operated.
- FIG. 2 shows a first embodiment variant of a drive train 1 arranged in the region of a drive axle of the vehicle, wherein a differential 7 is integrated into the transmission 4.
- Shown is an embodiment with three gears Gl, G2, G3, which can be connected via first, second and third brake devices 14, 24, 34.
- the transmission 4 can also be equipped with only two gears. be guided, with one of the two brake devices 14, 24 together with the corresponding ring gear 12, 22 can be omitted.
- Fig. 3 shows a similar embodiment as Fig. 2, wherein the transmission 4 is spatially separated from the differential.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Structure Of Transmissions (AREA)
- Retarders (AREA)
Abstract
L'invention concerne une unité d'entraînement (1) pour un véhicule à propulsion électrique, comportant une machine électrique (2) et une boîte de vitesses (4) pourvue d'un premier train de boîte de vitesses à trains épicycloïdaux (10) comprenant une première roue solaire (11), au moins un premier satellite (13) et une première couronne (12), et d'un second train de boîte de vitesses à trains épicycloïdaux (20) comprenant une seconde roue solaire (21), au moins un second satellite (23) et une seconde couronne (22). La première et la seconde roue solaire (11, 21) sont agencées de manière coaxiale, et le premier et le second satellite (13, 23) sont montés rotatifs sur un porte-satellites (9). L'arbre d'entraînement (3) de la machine électrique (2) est relié en entraînement avec la première roue solaire (11), et au moins une couronne (12, 22) peut être immobilisée par l'intermédiaire d'un système de freinage (14, 24). Selon l'invention, la seconde roue solaire (21) du second train de boîte de vitesses à trains épicycloïdaux (20) est reliée à un arbre de sortie (5) et au moins un premier satellite (13) du premier train de boîte de vitesses à trains épicycloïdaux (10) est relié solidaire en rotation, de préférence rigidement, avec un second satellite (23) du second train de boîte de vitesses à trains épicycloïdaux (20).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50337/2012 | 2012-08-24 | ||
AT503372012A AT512942B1 (de) | 2012-08-24 | 2012-08-24 | Antriebseinheit |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014029650A1 true WO2014029650A1 (fr) | 2014-02-27 |
Family
ID=49000924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/066803 WO2014029650A1 (fr) | 2012-08-24 | 2013-08-12 | Unité d'entraînement |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT512942B1 (fr) |
WO (1) | WO2014029650A1 (fr) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105546073A (zh) * | 2016-01-22 | 2016-05-04 | 吉林大学 | 一种基于双级行星排两挡变速器的电驱动系统 |
CN105539130A (zh) * | 2016-01-22 | 2016-05-04 | 吉林大学 | 一种基于单行星排的电驱动桥 |
WO2016083119A1 (fr) * | 2014-11-26 | 2016-06-02 | Bayerische Motoren Werke Aktiengesellschaft | Ensemble embrayage et ensemble boîte de vitesses |
WO2017097387A1 (fr) * | 2015-12-10 | 2017-06-15 | Daimler Ag | Dispositif de chaîne cinématique avec moteur électrique |
DE102016221177A1 (de) * | 2016-10-27 | 2018-05-03 | Schaeffler Technologies AG & Co. KG | Planetenradgetriebe |
WO2019007724A1 (fr) * | 2017-07-01 | 2019-01-10 | Daimler Ag | Dispositif d'engrenage pour un groupe propulseur électrique d'un véhicule automobile, et groupe propulseur électrique d'un véhicule automobile |
WO2019007723A1 (fr) * | 2017-07-01 | 2019-01-10 | Daimler Ag | Dispositif de transmission pour un entraînement électrique d'un véhicule à moteur, et entraînement électrique pour un véhicule à moteur |
CN109203986A (zh) * | 2018-11-14 | 2019-01-15 | 上海汉老汽车科技有限公司 | 一种两档电驱动传动装置 |
WO2019228807A1 (fr) * | 2018-05-30 | 2019-12-05 | Robert Bosch Gmbh | Transmission multivitesses coupable sous charge |
WO2021013301A1 (fr) * | 2019-07-24 | 2021-01-28 | Schaeffler Technologies AG & Co. KG | Dispositif d'entraînement pour un véhicule à moteur comprenant au choix un porte-satellite commutable solidaire du boîtier ou une couronne |
DE102020211080A1 (de) | 2020-09-02 | 2022-03-03 | Zf Friedrichshafen Ag | Elektroantrieb für ein Fahrzeug, Antriebsstrang und Verfahren |
DE102020211067A1 (de) | 2020-09-02 | 2022-03-03 | Zf Friedrichshafen Ag | Elektroantrieb, Antriebsstrang und Verfahren |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015208355A1 (de) * | 2015-05-06 | 2016-11-10 | Bayerische Motoren Werke Aktiengesellschaft | Fahrzeug mit einem Getriebe |
CN212685116U (zh) | 2018-09-25 | 2021-03-12 | 德纳汽车系统集团有限责任公司 | 电驱动桥 |
DE102021120847B4 (de) | 2021-08-11 | 2023-04-13 | Schaeffler Technologies AG & Co. KG | Radnabenmotor |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1986045A (en) * | 1933-05-03 | 1935-01-01 | Clayton Alee Charles | Change speed gearing |
US4214489A (en) * | 1976-01-29 | 1980-07-29 | S.R.M. Hydromekanik Aktiebolag | Multi-speed planetary gear |
WO1999023398A2 (fr) * | 1997-11-03 | 1999-05-14 | Ker-Train Holdings Ltd. | Boucle de train d'engrenages inverses coplanaires |
DE102009041085A1 (de) | 2009-09-10 | 2011-03-24 | Volkswagen Ag | Automatikgetriebe, vzw. für ein Kraftfahrzeug, mit einem ersten und mit einem zweiten Planetengetrieberadsatz und mit mindestens einem Schaltelement |
DE102010031747A1 (de) | 2010-07-21 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Antriebseinheit |
DE102010031746A1 (de) | 2010-07-21 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Antriebseinheit |
DE102010031744A1 (de) | 2010-07-21 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Antriebseinheit |
DE102010032256A1 (de) | 2010-07-26 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Antriebseinheit |
DE102010045350A1 (de) * | 2010-09-14 | 2012-03-15 | Schaeffler Technologies Gmbh & Co. Kg | Schaltbares Planetenradgetriebe, Antriebssystem und Fahrzeug |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10116989A1 (de) * | 2001-04-05 | 2002-10-10 | Univ Karlsruhe | Anfahrelement und Momentenwandler für Arbeitsmaschinen mit Energierückgewinnung |
-
2012
- 2012-08-24 AT AT503372012A patent/AT512942B1/de not_active IP Right Cessation
-
2013
- 2013-08-12 WO PCT/EP2013/066803 patent/WO2014029650A1/fr active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1986045A (en) * | 1933-05-03 | 1935-01-01 | Clayton Alee Charles | Change speed gearing |
US4214489A (en) * | 1976-01-29 | 1980-07-29 | S.R.M. Hydromekanik Aktiebolag | Multi-speed planetary gear |
WO1999023398A2 (fr) * | 1997-11-03 | 1999-05-14 | Ker-Train Holdings Ltd. | Boucle de train d'engrenages inverses coplanaires |
DE102009041085A1 (de) | 2009-09-10 | 2011-03-24 | Volkswagen Ag | Automatikgetriebe, vzw. für ein Kraftfahrzeug, mit einem ersten und mit einem zweiten Planetengetrieberadsatz und mit mindestens einem Schaltelement |
DE102010031747A1 (de) | 2010-07-21 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Antriebseinheit |
DE102010031746A1 (de) | 2010-07-21 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Antriebseinheit |
DE102010031744A1 (de) | 2010-07-21 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Antriebseinheit |
DE102010032256A1 (de) | 2010-07-26 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Antriebseinheit |
DE102010045350A1 (de) * | 2010-09-14 | 2012-03-15 | Schaeffler Technologies Gmbh & Co. Kg | Schaltbares Planetenradgetriebe, Antriebssystem und Fahrzeug |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016083119A1 (fr) * | 2014-11-26 | 2016-06-02 | Bayerische Motoren Werke Aktiengesellschaft | Ensemble embrayage et ensemble boîte de vitesses |
US9995370B2 (en) | 2014-11-26 | 2018-06-12 | Bayerische Motoren Werke Aktiengesellschaft | Coupling assembly and transmission assembly |
WO2017097387A1 (fr) * | 2015-12-10 | 2017-06-15 | Daimler Ag | Dispositif de chaîne cinématique avec moteur électrique |
CN105546073A (zh) * | 2016-01-22 | 2016-05-04 | 吉林大学 | 一种基于双级行星排两挡变速器的电驱动系统 |
CN105539130A (zh) * | 2016-01-22 | 2016-05-04 | 吉林大学 | 一种基于单行星排的电驱动桥 |
DE102016221177A1 (de) * | 2016-10-27 | 2018-05-03 | Schaeffler Technologies AG & Co. KG | Planetenradgetriebe |
WO2019007724A1 (fr) * | 2017-07-01 | 2019-01-10 | Daimler Ag | Dispositif d'engrenage pour un groupe propulseur électrique d'un véhicule automobile, et groupe propulseur électrique d'un véhicule automobile |
WO2019007723A1 (fr) * | 2017-07-01 | 2019-01-10 | Daimler Ag | Dispositif de transmission pour un entraînement électrique d'un véhicule à moteur, et entraînement électrique pour un véhicule à moteur |
JP2021525349A (ja) * | 2018-05-30 | 2021-09-24 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングRobert Bosch Gmbh | パワーシフト可能な多段変速機 |
WO2019228807A1 (fr) * | 2018-05-30 | 2019-12-05 | Robert Bosch Gmbh | Transmission multivitesses coupable sous charge |
CN112154279A (zh) * | 2018-05-30 | 2020-12-29 | 罗伯特·博世有限公司 | 能动力换挡的多挡变速器 |
JP7036950B2 (ja) | 2018-05-30 | 2022-03-15 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | パワーシフト可能な多段変速機 |
US11448291B2 (en) | 2018-05-30 | 2022-09-20 | Robert Bosch Gmbh | Power-shift multi-speed transmission |
CN112154279B (zh) * | 2018-05-30 | 2024-02-02 | 罗伯特·博世有限公司 | 能动力换挡的多挡变速器 |
CN109203986A (zh) * | 2018-11-14 | 2019-01-15 | 上海汉老汽车科技有限公司 | 一种两档电驱动传动装置 |
CN109203986B (zh) * | 2018-11-14 | 2024-04-26 | 上海馨联动力系统有限公司 | 一种两档电驱动传动装置 |
WO2021013301A1 (fr) * | 2019-07-24 | 2021-01-28 | Schaeffler Technologies AG & Co. KG | Dispositif d'entraînement pour un véhicule à moteur comprenant au choix un porte-satellite commutable solidaire du boîtier ou une couronne |
DE102020211080A1 (de) | 2020-09-02 | 2022-03-03 | Zf Friedrichshafen Ag | Elektroantrieb für ein Fahrzeug, Antriebsstrang und Verfahren |
DE102020211067A1 (de) | 2020-09-02 | 2022-03-03 | Zf Friedrichshafen Ag | Elektroantrieb, Antriebsstrang und Verfahren |
Also Published As
Publication number | Publication date |
---|---|
AT512942B1 (de) | 2013-12-15 |
AT512942A4 (de) | 2013-12-15 |
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