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1. EP2995489 - TRANSMISSION UNIT, POWER TRANSMISSION SYSTEM AND VEHICLE COMPRISING THE SAME

Office
European Patent Office
Application Number 15158701
Application Date 11.03.2015
Publication Number 2995489
Publication Date 16.03.2016
Publication Kind A1
IPC
B60K 6/52
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
6Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
20the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
50Architecture of the driveline characterised by arrangement or kind of transmission units
52Driving a plurality of drive axles, e.g. four-wheel drive
B60K 6/442
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
6Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
20the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
42characterised by the architecture of the hybrid electric vehicle
44Series-parallel type
442Series-parallel switching type
B60K 6/547
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
6Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
20the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
50Architecture of the driveline characterised by arrangement or kind of transmission units
54Transmission for changing ratio
547the transmission being a stepped gearing
B60K 7/00
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
7Disposition of motor in, or adjacent to, traction wheel
F16H 3/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
3Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
F16H 3/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
HGEARING
3Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
02without gears having orbital motion
08exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
CPC
B60K 6/442
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
6Arrangement 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
20the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
42characterised by the architecture of the hybrid electric vehicle
44Series-parallel type
442Series-parallel switching type
B60K 6/52
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
6Arrangement 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
20the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
50Architecture of the driveline characterised by arrangement or kind of transmission units
52Driving a plurality of drive axles, e.g. four-wheel drive
B60K 6/547
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
6Arrangement 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
20the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
50Architecture of the driveline characterised by arrangement or kind of transmission units
54Transmission for changing ratio
547the transmission being a stepped gearing
B60K 7/0007
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
7Disposition of motor in, or adjacent to, traction wheel
0007the motor being electric
B60K 17/165
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
17Arrangement or mounting of transmissions in vehicles
04characterised by arrangement, location, or kind of gearing
16of differential gearing
165provided between independent half axles
B60K 17/356
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
KARRANGEMENT 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
17Arrangement or mounting of transmissions in vehicles
34for driving both front and rear wheels, e.g. four wheel drive vehicles
356having fluid or electric motor, for driving one or more wheels
Applicants BYD CO LTD
Inventors YANG DONGSHENG
LIAN YUBO
ZHANG JINTAO
LUO HONGBIN
Designated States
Title
(DE) ÜBERTRAGUNGSEINHEIT, LEISTUNGSÜBERTRAGUNGSSYSTEM UND FAHRZEUG DAMIT
(EN) TRANSMISSION UNIT, POWER TRANSMISSION SYSTEM AND VEHICLE COMPRISING THE SAME
(FR) UNITÉ DE TRANSMISSION, SYSTÈME DE TRANSMISSION DE PUISSANCE ET VÉHICULE LE COMPRENANT
Abstract
(EN) A transmission unit for a vehicle includes: a plurality of input shafts (11, 12), each of the input shafts (11, 12) being provided with a shift driving gear (1a-5a) thereon; a plurality of output shafts (21, 22), each of the output shafts (21, 22) being provided with a shift driven gear (1b-5b)_configured to mesh with a corresponding shift driving gear (1a-5a); a motor power shaft (3); first and second motor gears (31, 32) freely fitted over the motor power shaft (3); a motor synchronizer (33c) disposed on the motor power shaft (3) and between the first and second motor gears (31, 32); in which the first motor gear (31) is configured to rotate together with one of the input shafts (11, 12); the second motor gear (32) is configured to rotate together with one of the output shafts (21, 22). A power transmission system including the transmission unit and a vehicle including the power transmission system are also provided.
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