CN113799590A - Basic module of hybrid module, P2 hybrid module and P1 hybrid module - Google Patents

Basic module of hybrid module, P2 hybrid module and P1 hybrid module Download PDF

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Publication number
CN113799590A
CN113799590A CN202010545341.2A CN202010545341A CN113799590A CN 113799590 A CN113799590 A CN 113799590A CN 202010545341 A CN202010545341 A CN 202010545341A CN 113799590 A CN113799590 A CN 113799590A
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China
Prior art keywords
driven
hub
rotor
pressure plate
clutch
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Pending
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CN202010545341.2A
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Chinese (zh)
Inventor
王欢
尚明利
金智涛
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Schaeffler Technologies AG and Co KG
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Schaeffler Technologies AG and Co KG
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Priority to CN202010545341.2A priority Critical patent/CN113799590A/en
Publication of CN113799590A publication Critical patent/CN113799590A/en
Pending legal-status Critical Current

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    • 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
    • B60K6/24—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 combustion engines
    • 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
    • B60K6/26—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 motors or the generators
    • 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
    • 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
    • B60K6/42—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
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/22—Friction clutches with axially-movable clutching members
    • F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
    • F16D13/46—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs in which two axially-movable members, of which one is attached to the driving side and the other to the driven side, are pressed from one side towards an axially-located member
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The invention provides a basic module of a hybrid module, a P2 hybrid module and a P1 hybrid module. The basic module of the hybrid power module comprises an input shaft (10), a motor, a clutch (40) and a flexible disk assembly, a rotor flange (34) of the motor supports a rotor support (33), the clutch (40) comprises a pressure plate (45), a driven plate hub (41) and a counter pressure plate (46), the pressure plate (45) is connected with the rotor flange (34), the counter pressure plate (46) is connected with the rotor support (33), and the flexible plate hub (61) of the flexible disk assembly is used for outputting torque. The driven disk hub (41) is used for being connected with the input shaft (10), and the counter pressure plate (46) is used for being connected with the flexible disk hub (61); or a driven hub (41) for connection to a flexible hub (61) and a rotor flange (34) for connection to the input shaft (10). The basic module of the hybrid module provided by the invention has strong universality and is easy to expand into a P2 hybrid module or a P1 hybrid module.

Description

Basic module of hybrid module, P2 hybrid module and P1 hybrid module
Technical Field
The present invention relates to the field of hybrid vehicles, and in particular to a base module for a hybrid module, a P2 hybrid module and a P1 hybrid module comprising the base module.
Background
In a hybrid drive system, a hybrid module including an electric machine disposed between an internal combustion engine and a transmission and with the electric machine downstream of a disconnect clutch (K0 clutch) is referred to as a P2 hybrid module (abbreviated as P2 module), and a hybrid module with the electric machine disposed upstream of the transmission and the disconnect clutch is referred to as a P1 hybrid module (abbreviated as P1 module).
Fig. 1 shows a schematic structure of a conventional P2 module. The P2 module can be used to transfer the power of the internal combustion engine and/or the power of the electric machine 30 to the transmission and to recover the kinetic energy of the vehicle in motion to the battery of the electric machine, depending on the various operating conditions. The P2 module includes an input shaft 10, a housing 20, a motor 30, a clutch 40, a clutch release system 50, and a flexible disk assembly 60. The electric machine 30 and the internal combustion engine are the power sources of the P2 module. The input shaft 10 is the power input and the flexible disk assembly 60 is the power output.
The above prior art P2 module faces the following challenges:
(i) the clutch 40 is a one-piece clutch having a limited ability to transmit torque.
(ii) It is generally undesirable to have a powertrain with an axial dimension that is too large, especially in a transverse engine, front wheel drive powertrain where the axial dimension of the powertrain is more limited. While the axial dimension of the P2 module occupies a large space in the axial direction of the powertrain.
Disclosure of Invention
It is an object of the present invention to overcome or at least alleviate the above-mentioned deficiencies of the prior art and to provide a base module for a hybrid module, a P2 hybrid module and a P1 hybrid module comprising the base module.
According to a first aspect of the invention, there is provided a base module for a hybrid module comprising an input shaft, an electric machine, a clutch release system and a flexible disc assembly, wherein,
the input shaft is for receiving torque from an internal combustion engine,
the motor comprises a stator, a rotor support and a rotor flange, wherein the rotor is positioned at the radial inner side of the stator, the rotor support is connected to the radial inner side of the rotor in a non-rotating way, the rotor flange supports the rotor support at the radial inner side of the rotor support and is connected with the rotor support in a non-rotating way,
the clutch comprises a pressure plate, a driven plate hub and a pressure plate pair, the pressure plate is connected with the rotor flange in a non-rotating way, the pressure plate pair is connected with the rotor bracket in a non-rotating way,
the clutch release system is used for driving the pressure plate to move in the axial direction of the clutch,
the flexible disk assembly includes a flexible disk hub for outputting torque of the hybrid module;
the driven hub is connected to the input shaft in a non-rotatable manner, and the counter pressure plate is connected to the flexible hub in a non-rotatable manner, or
The driven hub is adapted to be non-rotatably connected to the flexible hub, and the rotor flange is adapted to be non-rotatably connected to the input shaft.
In at least one embodiment, the clutch further includes an intermediate plate and an intermediate plate carrier, the driven plates including a first driven plate and a second driven plate,
the intermediate disk holder is connected to the rotor flange by a leaf spring so that the intermediate disk holder and the rotor flange are relatively movable in the axial direction but relatively non-rotatable,
the intermediate disk is connected to the intermediate disk carrier in a rotationally fixed manner,
the intermediate disk is disposed between the first driven disk and the second driven disk in the axial direction,
at least one of the first and second driven discs is movable in the axial direction relative to the driven disc hub.
In at least one embodiment, the intermediate plate has a dimension greater than a dimension of the pressure plate and/or the pair of pressure plates in the axial direction.
In at least one embodiment, the base module further includes a housing, the housing includes an inner housing and an outer housing, the outer housing is sleeved on at least a portion of the outer periphery of the inner housing, and a cooling cavity for filling a coolant is provided between the inner housing and the outer housing.
In at least one embodiment, one axial end of the housing is adapted for connection to an internal combustion engine and the other axial end of the housing is adapted for connection to a transmission.
In at least one embodiment, the clutch release system includes a release system carrier secured to the inner housing,
the input shaft is supported on an inner periphery of the separation system carrier, and the rotor flange is supported on an outer periphery of the separation system carrier.
In at least one embodiment, the clutch release system includes a concentric slave cylinder and a shift fork,
the shifting fork is in the axial supports respectively lean on the release bearing of concentric slave cylinder with the pressure disk, release bearing is in for the axial the shifting fork provides the preload.
In at least one embodiment, the clutch release system further includes a modular clutch actuator coupled to the concentric slave cylinder via a hydraulic line, the modular clutch actuator for regulating a pressure of oil within the hydraulic line to drive the concentric slave cylinder.
According to a second aspect of the present invention, there is provided a P2 hybrid module for mounting between an internal combustion engine and a transmission, the hybrid module comprising a base module according to the present invention, wherein,
the inner peripheral portion of the driven hub is connected to the input shaft so as not to be relatively rotatable, and the counter pressure plate is connected to the flexible hub so as not to be relatively rotatable.
According to a third aspect of the present invention, there is provided a P1 hybrid module for mounting between an internal combustion engine and a transmission, the hybrid module comprising a base module according to the present invention, wherein,
an inner peripheral portion of the driven hub is non-rotatably connected to the flexible hub through a leaf spring, and an inner peripheral portion of the rotor flange is non-rotatably connected to the input shaft.
The basic module of the hybrid module provided by the invention has strong universality and is easy to expand into a P2 hybrid module or a P1 hybrid module.
Drawings
Fig. 1 shows a schematic cross-sectional view of a prior art P2 hybrid module on one radial side of an input shaft.
Fig. 2 is a schematic sectional view of a P2 hybrid module on one side of the input shaft in the radial direction according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the power transmission path of a P2 hybrid module in a pure engine-driven mode according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a power transmission path of a P2 hybrid module in a pure electric drive mode according to an embodiment of the present invention.
Fig. 5 is a schematic sectional view of a P1 hybrid module on one side of the input shaft in the radial direction according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of the power transmission path of a P1 hybrid module in a pure engine-driven mode according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a power transmission path of a P1 hybrid module in a pure electric drive mode according to an embodiment of the present invention.
Description of the reference numerals
10 an input shaft; 20 a housing; 21 an inner shell; 22 an outer shell; 20c a cooling chamber;
30 motor; 31 a stator; 32 rotors; 33 a rotor support; 34 a rotor flange;
40 clutch; 41 driven disk hub; 421 a first driven disk; 422 a second driven disk; 43 an intermediate tray; 44 a mid-pan support; 45, pressing a plate; 46 pairs of pressure plates;
50 a clutch release system; 51 separating the system support; 52 CSC; 53 shifting fork;
60 a flexible disk assembly; 61 a flexible hub; 70 vibration damper; 80 a rotary transformer;
91 ball bearings; 92 needle roller bearings; 93 a bearing;
axial direction A; r is radial.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the detailed description is intended only to teach one skilled in the art how to practice the invention, and is not intended to be exhaustive or to limit the scope of the invention.
Hereinafter, referring to fig. 2, a indicates an axial direction of the hybrid module and its base module according to the present invention, which is coincident with an axial direction of the input shaft 10, the motor 30, and the clutch 40, unless otherwise specified; r denotes a radial direction of the hybrid module and its base module according to the present invention, which is coincident with a radial direction of the input shaft 10, the motor 30, and the clutch 40.
(P2 Module)
The use of the basic module of the hybrid module according to the invention for the P2 module will first be described with reference to fig. 2 to 4. The P2 module shown in fig. 2 may be used as an example of a power coupling device for a hybrid vehicle. One side (left side in fig. 2) of the P2 module in the axial direction a may be connected to the internal combustion engine, and the other side (right side in fig. 2) of the P2 module in the axial direction a may be connected to the transmission. Fig. 2 shows a structure of one side in the radial direction of the input shaft 10.
Referring to fig. 2, the P2 module according to the present embodiment includes a housing 20 and an input shaft 10 located radially inward of the housing 20, a damper 70 (e.g., a dual mass flywheel), a motor 30, a clutch 40, a clutch release system 50, a flexible disk assembly 60, and a resolver 80.
The casing 20 includes an inner casing 21 and an outer casing 22, the outer casing 22 is fitted around a part of the outer periphery of the inner casing 21, and a cooling chamber 20c for filling a coolant is formed between the outer casing 22 and the inner casing 21. Preferably, the inner housing 21 and the outer housing 22 are both cast and joined together by means of, for example, welding. Preferably, the inner housing 21 may be fixed to the internal combustion engine by bolts, and the outer housing 22 may be fixed to a housing of the transmission by bolts.
The damper 70 is connected to an internal combustion engine (not shown) and the input shaft 10, respectively, and dampens vibrations from the internal combustion engine while transmitting torque output from the internal combustion engine to the input shaft 10 to protect the input shaft 10 and the clutch 40.
The Clutch release system 50 is used to control the engagement and disengagement of the Clutch, and includes a release system carrier 51, an Actuator (preferably a Modular Clutch Actuator, not shown), a Concentric Slave Cylinder 52 (CSC), and a shift fork 53.
The separation system bracket 51 is fixed to the housing 20 and is fitted around the input shaft 10. A ball bearing 91 and a needle bearing 92 are arranged between the separation system bracket 51 and the input shaft 10, and the ball bearing 91 is closer to the shock absorber 70 than the needle bearing 92 is in the axial direction a; the ball bearings 91 serve to provide support for the input shaft 10 in both the radial direction R and the axial direction a, and the needle bearings 92 provide support for the input shaft 10 mainly in the radial direction R.
CSC 52 is mounted to separation system support 51.
The shift fork 53 bears against the release bearing of the CSC 52 and the pressure plate 45 of the clutch 40 on both axial sides, respectively, the shift fork 53 being loaded with an axial preload when the clutch 40 is in the disengaged state. The release shaft of the CSC 52 is hydraulically movable in the axial direction a to drive the shift fork 53.
The MCA is mounted on the outside of the housing 20 (not shown) and is connected to the CSC 52 by hydraulic lines (not shown). The MCA is acted upon by the motor to build pressure on the oil in the hydraulic line, and by adjusting the pressure of the oil in the hydraulic line, the movement of the release bearing of the CSC 52 can be controlled.
The motor 30 includes a stator 31, a rotor 32 located inside the stator 31 in the radial direction R, a rotor holder 33, and a rotor flange 34. The stator 31 is fitted to the inner housing 21 with interference. The rotor 32 is connected to the rotor carrier 33 in a rotationally fixed manner (i.e. in a rotationally fixed manner), for example by fitting the rotor carrier 33 radially inside the rotor 32 with an interference fit in the radial direction R. The rotor carrier 33 is connected to the rotor flange 34 in a rotationally fixed manner. The inner peripheral portion of the rotor flange 34 is fitted around the outer periphery of the separation system support 51, and a bearing 93 is provided between the rotor flange 34 and the separation system support 51. The bearing 93 provides support for the rotor flange 34 in the axial direction a and in the radial direction R, preferably the bearing 93 is a double row ball bearing, or two angular thrust bearings side by side.
The resolver 80 is used to detect the rotational phase of the rotor 32. Preferably, the rotor portion of the resolver 80 is mounted to the rotor bracket 33 and the stator portion of the resolver 80 is mounted to the separation system bracket 51.
The clutch 40 is mounted on the inner side of the motor 30 in the radial direction R. The clutch 40 according to the present embodiment includes a driven disk hub 41, a first driven disk 421, a second driven disk 422, an intermediate disk 43, an intermediate disk support 44, a pressure plate 45, and a counter pressure plate 46.
The clutch 40 is a normally open clutch whose pressure plate 45 is connected in a rotationally fixed manner to the rotor flange 34, for example, by a leaf spring (also called leaf spring).
The driven hub 41 is fitted around the outer periphery of the input shaft 10, and the driven hub 41 and the input shaft 10 are connected by a spline, so that the driven hub 41 and the input shaft 10 can transmit torque in the circumferential direction and can move relatively in the axial direction a.
The driven discs are arranged in a rotationally fixed manner on the outer circumference of the driven disc hub 41, at least one of the two driven discs being movable in the axial direction relative to the driven disc hub 41. For example, the first driven disk 421 and the driven disk hub 41 may be connected by a spline, and the second driven disk 422 and the driven disk hub 41 may be connected by a rivet.
The intermediate disk holder 44 is mounted radially inside the rotor holder 33 and connected to the rotor flange 34 by a blade spring, so that the intermediate disk holder 44 and the rotor flange 34 can transmit torque in the circumferential direction and can move relative to each other in the axial direction a.
The intermediate disk 43 is connected in a rotationally fixed manner to a radial inner side of the intermediate disk carrier 44, and the intermediate disk 43 is located between the first driven disk 421 and the second driven disk 422 in the axial direction a.
The counter pressure plate 46 is connected to the rotor carrier 33 in a rotationally fixed manner. The pressure plate 45 is located on the side of the first driven plate 421 away from the intermediate plate 43 in the axial direction a, and the counter pressure plate 46 is located on the side of the second driven plate 422 away from the intermediate plate 43 in the axial direction a.
Since neither the pressure plate 45 nor the intermediate plate 43 is directly connected to the rotor holder 33, heat generated by the clutch 40 is not easily transferred to the rotor holder 33 to further affect the rotor 32.
Since the intermediate disk 43 is provided with driven disks on both axial sides and friction disks for torque transmission, which generate heat due to friction during operation of the clutch 40, the intermediate disk 43 belongs to a critical heat generating part of the clutch 40. In order to alleviate the heat generation phenomenon of the intermediate disk 43 and increase the heat capacity of the intermediate disk 43, the intermediate disk 43 is configured to have a larger mass than other components, particularly the pressure plate 45 or the counter pressure plate 46, for example, the size of the intermediate disk 43 is larger than that of the pressure plate 45 or the counter pressure plate 46 in the axial direction a, for example, the size of the intermediate disk 43 is twice that of the pressure plate 45 or the counter pressure plate 46.
The flexible disk assembly 60 is non-rotatably connected to the counter pressure plate 46. Such as bolts, are used to connect the rotor support 33, the counterpressure plate 46 and the flexible disk assembly 60 together. The flexible disk hub 61 of the flexible disk assembly 60 is intended to be connected in a rotationally fixed manner to an input shaft of a transmission (not shown).
Next, the power (torque) transmission manner of the P2 module according to the present embodiment in two different operation modes will be described with reference to fig. 3 and 4.
(a) Pure internal combustion engine drive mode
The solid arrows in fig. 3 show the power transmission path of the P2 module in the engine-only driving mode. In this mode of operation, the electric machine 30 is not operated and the internal combustion engine drives the input shaft 10 in rotation.
The clutch release system 50 controls the pressure plate 45, the first driven plate 421, the intermediate plate 43, the second driven plate 422, and the counter pressure plate 46 of the clutch 40 to be tightly engaged (hereinafter referred to as clutch in an engaged state).
The torque generated by the internal combustion engine is transmitted to the damper 70, the input shaft 10, the driven disc hub 41, the two driven discs in sequence, and is simultaneously transmitted to the pressure plate 45, the intermediate disc 43 and the counter pressure plate 46; the pressure plate 45 transmits the torque to the rotor flange 34 and further to the rotor support 33 and the flexible disk assembly 60, the intermediate disk 43 transmits the torque to the intermediate disk support 44 and further to the rotor support 33 and the flexible disk assembly 60, and the pressure plate 46 also transmits the torque to the flexible disk assembly 60; the torque from the flexible disk assembly 60 is ultimately transmitted to a downstream transmission.
(b) Pure motor drive mode
The dashed arrows in fig. 4 show the power transmission path of the P2 module in the electric-only drive mode. In this operating mode, the clutch 40 is in a disengaged state.
Torque generated by the rotor 32 of the motor 30 is transferred through the rotor carrier 33 to the flexible disk assembly 60 and ultimately to the downstream transmission.
It should be understood that the P2 module according to the present embodiment may also have (c) a hybrid driving mode and (d) a recovery charging mode.
In (c) the hybrid drive mode, in which the power transmission path is a superposition of the power transmission paths in (a) the engine-only drive mode and (b) the electric-only drive mode, the clutch 40 is in the engaged state, and the engine and the electric machine 30 are simultaneously operated.
In the (d) recovery charging mode, the clutch 40 is disengaged and the rotational torque of the flexible disk assembly 60 connected downstream, e.g., to the transmission, is transmitted to the rotor 32 via the rotor carrier 33, in which case the power transmission path is reversed from that in the (b) electric-only drive mode. The motor 30 can convert the transmitted mechanical energy into electric energy and store the electric energy in an energy storage device such as a battery.
(P1 Module)
The application of the basic module of the hybrid module according to the invention for the P1 module is described next with reference to fig. 5 to 7.
The difference between the P1 module and the P2 module according to the present embodiment is mainly in the arrangement of the inner peripheral portion of the rotor flange 34, the inner peripheral portion of the driven disk hub 41, and the flexible disk assembly 60.
In the P1 module, the inner circumferential portion of the rotor flange 34 is connected with the input shaft 10 by splines in a rotationally fixed manner. The inner peripheral portion of the driven hub 41 is not connected to the input shaft 10, but is connected to the flexible hub 61 in a rotationally fixed manner by, for example, a blade spring. The leaf springs constitute a flexible portion of the flexible disk assembly 60.
Fig. 6 and 7 show the power (torque) transmission of the P1 module according to this embodiment in two different operating modes.
(a) Pure internal combustion engine drive mode
The solid arrows in fig. 6 show the power transmission path of the P1 module in the engine-only driving mode. In this mode of operation, the electric machine 30 is not operated and the internal combustion engine drives the input shaft 10 in rotation.
The clutch release system 50 controls the pressure plate 45, the first driven plate 421, the intermediate plate 43, the second driven plate 422, and the counter pressure plate 46 of the clutch 40 to be tightly engaged (i.e., the clutch is in an engaged state).
The torque generated by the internal combustion engine is transmitted to the shock absorber 70, the input shaft 10 and the rotor flange 34 in sequence; with the clutch 40 engaged, torque is transferred from the pressure plate 45, the intermediate plate 43 and the counter pressure plate 46 to the two driven plates, and hence to the driven hub 41 and the flexible disk assembly 60, respectively. The torque from the flexible disk assembly 60 is ultimately transmitted to a downstream transmission.
(b) Pure motor drive mode
The dashed arrows in fig. 7 show the power transmission path of the P2 module in the electric-only drive mode. In this operating mode, the clutch 40 is in an engaged state.
The torque generated by the rotor 32 of the motor 30 is transmitted to the rotor holder 33; the torque from the rotor carrier 33 is transmitted to the two driven disks via the counter pressure plate 46, the intermediate plate 43 and the pressure plate 45, respectively, and then from the driven disk hub 41 to the flexible disk hub 61 and finally to the downstream transmission.
It should be understood that the P1 module according to this embodiment may also have (c) a hybrid driving mode.
In (c) the hybrid drive mode, in which the power transmission path is a superposition of the power transmission paths in (a) the engine-only drive mode and (b) the electric-only drive mode, the clutch 40 is in the engaged state, and the engine and the electric machine 30 are simultaneously operated.
Normally, instead of using the motor of the P1 module for regenerative charging, the P1 module is used with other hybrid modules (e.g., the P2 module or the P3 module) for regenerative charging by the motors of the other hybrid modules.
In the case where the charging efficiency is not considered, the recovery charging may be performed using the motor of the P1 module, in which the clutch 40 is in the engaged state, and the power transmission path for the recovery charging is opposite to the power transmission path in the (b) electric-only drive mode.
(basic module of hybrid module)
In contrast to the above-described P1 module and P2 module, the two modules share a base module of the same structure, which includes the stator 31, the rotor 32, the rotor holder 33, the outer peripheral portion of the rotor flange 34, the intermediate disk holder 44, the intermediate disk 43, the first driven disk 421, the second driven disk 422, the outer peripheral portion of the driven disk hub 41, the pressure plate 45, the counter pressure plate 46, the flexible disk hub 61, the input shaft 10, the damper 70, the clutch release system 50, and the housing 20 of the common motor.
Thus, the same basic module can be provided by uniform design and manufacturing. When it is desired to provide a P1 module or a P2 module, the rotor flange 34, driven disk hub 41 and flexible disk assembly 60 are suitably configured and suitable attachment means (e.g., rivets, leaf springs) are selected according to the particular configuration of the P1 or P2 modules.
The invention has at least one of the following advantages:
(i) the invention provides a basic module of a hybrid power module with universality by using a platform design concept, and a P1 module or a P2 module with compact structure can be obtained by adaptively arranging specific parts and/or connection relations of the parts on the basic module, thereby reducing the design and manufacturing cost of products.
(ii) The basic module of the hybrid module can be compatible with MCA, a rotary transformer, a bearing and other parts used by a common hybrid module.
(iii) The dry multiplate clutch 40 is used, which has a high torque transmission capacity, and the structure and connection of the pressure plate 45 and the intermediate plate 43 of the clutch reduces the amount of heat transmitted by the clutch 40 to the rotor 32.
(iv) The housing 20 is formed by an inner housing 21 and an outer housing 22, and the cooling chamber 20c is located between the inner housing 21 and the outer housing 22, without providing an additional cooling jacket for the motor 30.
Of course, the present invention is not limited to the above-described embodiments, and those skilled in the art can make various modifications to the above-described embodiments of the present invention without departing from the scope of the present invention under the teaching of the present invention. For example:
(i) the number of driven discs provided with friction discs of the clutch of the basic module of the hybrid module according to the invention is not limited. For example, the clutch 40 may have more than 2 driven discs, one intermediate disc being disposed between each two adjacent driven discs, and at least N-1 driven discs of the N (N is a natural number greater than 2) driven discs being splined to the driven disc hub. For another example, when the torque to be transmitted is small, the clutch 40 may be configured to have only one driven plate, in which case both the intermediate plate 43 and the intermediate plate carrier 44 are omitted.
(ii) The Actuator of the Clutch of the base module of the hybrid module according to the invention is not limited to the use of MCA, but for example a Hydraulic Actuator (Hydraulic Clutch Actuator, also abbreviated as HCA) may be used in combination with the CSC, or a Lever Actuator (Lever Actuator, also abbreviated as LA) may be used alone instead of the combination of CSC + MCA or CSC + HA.
(iii) The P1 module or the P2 module according to the present invention can be used with the P3 module or the P1 module and the P2 module, applied to a dedicated hybrid transmission having two motors.

Claims (10)

1. A base module of a hybrid module comprising an input shaft (10), an electric machine (30), a clutch (40), a clutch release system (50) and a flexible disk assembly (60), wherein,
the input shaft (10) is for receiving torque from an internal combustion engine,
the electric machine (30) comprises a stator (31), a rotor (32), a rotor support (33) and a rotor flange (34), the rotor (32) is located radially inside the stator (31), the rotor support (33) is connected to the rotor (32) in a relatively non-rotatable manner, the rotor flange (34) supports the rotor support (33) radially inside the rotor support (33) and is connected to the rotor support (33) in a relatively non-rotatable manner,
the clutch (40) comprises a pressure plate (45), driven plates (421, 422), a driven plate hub (41) and a counter pressure plate (46), wherein the pressure plate (45) is connected with the rotor flange (34) in a relatively non-rotatable manner, the counter pressure plate (46) is connected with the rotor support (33) in a relatively non-rotatable manner,
the clutch release system (50) is used for driving the pressure plate (45) to move in the axial direction of the clutch (40),
the flexible disk assembly (60) comprises a flexible disk hub (61), the flexible disk hub (61) being used for outputting the torque of the hybrid module;
the driven hub (41) is used for being connected with the input shaft (10) in a non-rotatable manner, and the counter pressure plate (46) is used for being connected with the flexible hub (61) in a non-rotatable manner, or
The driven hub (41) is intended for rotationally fixed connection to the flexible hub (61), and the rotor flange (34) is intended for rotationally fixed connection to the input shaft (10).
2. The base module according to claim 1, characterized in that the clutch (40) further comprises an intermediate disk (43) and an intermediate disk carrier (44), the driven disks comprising a first driven disk (421) and a second driven disk (422),
the intermediate disk carrier (44) is connected to the rotor flange (34) by a leaf spring such that the intermediate disk carrier (44) and the rotor flange (34) are relatively movable in the axial direction but are not rotatable,
the intermediate disk (43) is connected to the intermediate disk carrier (44) in a rotationally fixed manner,
in the axial direction, the intermediate disk (43) is disposed between the first driven disk (421) and the second driven disk (422),
at least one of the first driven disk (421) and the second driven disk (422) is movable in the axial direction relative to the driven disk hub (41).
3. The base module according to claim 2, characterized in that the intermediate disk (43) has a size in the axial direction which is larger than the size of the pressure plate (45) and/or the counter pressure plate (46).
4. The foundation module according to any one of claims 1 to 3, further comprising a housing (20), wherein the housing (20) comprises an inner housing (21) and an outer housing (22), wherein the outer housing (22) is sleeved on the outer periphery of at least a part of the inner housing (21), and wherein a cooling cavity (20c) for filling a coolant is arranged between the inner housing (21) and the outer housing (22).
5. The base module according to claim 4, characterized in that one axial end of the housing (20) is used for connecting an internal combustion engine and the other axial end of the housing (20) is used for connecting a transmission.
6. The base module according to claim 4, characterized in that the clutch release system (50) comprises a release system carrier (51), the release system carrier (51) being fixed to the inner housing (21),
the input shaft (10) is supported on the inner periphery of the separation system support (51), and the rotor flange (34) is supported on the outer periphery of the separation system support (51).
7. The base module according to any one of claims 1 to 3, characterized in that the clutch release system (50) comprises a concentric slave cylinder (52) and a shift fork (53),
the shifting fork (53) is respectively abutted against a release bearing of the concentric slave cylinder (52) and the pressure plate (45) in the axial direction, and the release bearing provides preload for the shifting fork (53) in the axial direction.
8. The base module of claim 7, wherein the clutch release system (50) further includes a modular clutch actuator connected to the concentric slave cylinder (52) by a hydraulic line, the modular clutch actuator for regulating the pressure of oil in the hydraulic line to drive the concentric slave cylinder (52).
9. A P2 hybrid module for mounting between an internal combustion engine and a transmission, the hybrid module comprising a base module according to any one of claims 1 to 8,
the inner peripheral portion of the driven hub (41) is connected to the input shaft (10) so as not to be able to rotate relative thereto, and the counter pressure plate (46) is connected to the flexible hub (61) so as not to rotate relative thereto.
10. A P1 hybrid module for mounting between an internal combustion engine and a transmission, the hybrid module comprising a base module according to any one of claims 1 to 8,
the inner peripheral portion of the driven hub (41) is connected to the flexible hub (61) by a leaf spring so as not to rotate relative thereto, and the inner peripheral portion of the rotor flange (34) is connected to the input shaft (10) so as not to rotate relative thereto.
CN202010545341.2A 2020-06-15 2020-06-15 Basic module of hybrid module, P2 hybrid module and P1 hybrid module Pending CN113799590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010545341.2A CN113799590A (en) 2020-06-15 2020-06-15 Basic module of hybrid module, P2 hybrid module and P1 hybrid module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010545341.2A CN113799590A (en) 2020-06-15 2020-06-15 Basic module of hybrid module, P2 hybrid module and P1 hybrid module

Publications (1)

Publication Number Publication Date
CN113799590A true CN113799590A (en) 2021-12-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN113799590A (en)

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