EP2061669A2 - Prise de mouvement auxiliaire pour un véhicule automobile - Google Patents

Prise de mouvement auxiliaire pour un véhicule automobile

Info

Publication number
EP2061669A2
EP2061669A2 EP07801519A EP07801519A EP2061669A2 EP 2061669 A2 EP2061669 A2 EP 2061669A2 EP 07801519 A EP07801519 A EP 07801519A EP 07801519 A EP07801519 A EP 07801519A EP 2061669 A2 EP2061669 A2 EP 2061669A2
Authority
EP
European Patent Office
Prior art keywords
planetary gear
electric machine
drive
internal combustion
combustion engine
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP07801519A
Other languages
German (de)
English (en)
Inventor
Gary Avery
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daimler AG
Original Assignee
DaimlerChrysler 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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP2061669A2 publication Critical patent/EP2061669A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • 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
    • B60K25/00—Auxiliary drives
    • B60K25/02—Auxiliary drives directly from an engine shaft
    • 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
    • B60K6/22—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
    • B60K6/383—One-way clutches or freewheel devices
    • 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
    • B60K6/40—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 assembly or relative disposition of components
    • 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
    • B60K6/42—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
    • B60K6/48—Parallel 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid 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
    • 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
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/724—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines
    • F16H3/725—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously using external powered electric machines with means to change ratio in the mechanical gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • 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
    • B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
    • 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
    • B60K6/48—Parallel type
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • B60K2006/4841—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range the gear provides shifting between multiple ratios
    • 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
    • B60K25/00—Auxiliary drives
    • B60K25/02—Auxiliary drives directly from an engine shaft
    • B60K2025/022—Auxiliary drives directly from an engine shaft by a mechanical transmission
    • B60K2025/024—Auxiliary drives directly from an engine shaft by a mechanical transmission with variable ratio
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2270/00—Problem solutions or means not otherwise provided for
    • B60L2270/10—Emission reduction
    • B60L2270/14—Emission reduction of noise
    • B60L2270/145—Structure borne vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups
    • F01B9/04—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups with rotary main shaft other than crankshaft
    • F01B9/042—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to preceding groups with rotary main shaft other than crankshaft the connections comprising gear transmissions
    • F01B2009/045—Planetary gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/003—Starting of engines by means of electric motors said electric motor being also used as a drive for auxiliaries, e.g. for driving transmission pumps or fuel pumps during engine stop
    • 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
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2005—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with one sets of orbital gears
    • 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
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • 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
    • F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means
    • 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
    • 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
    • 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Definitions

  • the invention relates to an auxiliary drive for a motor vehicle according to the preamble of claim 1.
  • ancillaries such as air compressors, fans, LenkheIfpumpen or oil and water pumps, used in motor vehicles in which the ancillaries are driven at a speed proportional to the speed of the engine, they must over a wide speed range, in gasoline engines, for example, from 600 to 6000 Rpm, ie a factor of 10 in the ratio of maximum speed to lowest speed, which meet the requirements placed on it.
  • a water pump which has to supply a sufficient coolant flow when the engine is idling promotes an unnecessarily high quantity of coolant at higher engine speeds and thus causes considerable losses.
  • Other ancillaries provide marginal performance at idle and are rarely operated in the optimum operating range.
  • a freewheel is a device that decouples a portion of a drive train from rotational motion as load ratios change.
  • a freewheel can be designed for example as a roller freewheel, multi-disc freewheel or sprag freewheel.
  • a sprag freewheel consists of an inner ring, an outer ring and clamp bodies mounted in a cage. In a drive through the inner ring springs press the clamping body slightly between the inner ring and the outer ring, so that the clamping body move depending on their rotation in their receiving spaces.
  • Electric machines which are operated both by motor and generator, also have the problem that they require a different ratio in motor operation than in the generator mode. This usually leads to over-dimensioning of the electrical machines. For example, starter generators require a higher gear ratio in starter mode than in generator mode, resulting in an oversized design for starter operation.
  • electrical ancillaries are known, which are used in particular in hybrid vehicles, since there is sufficient electrical energy to supply the ancillaries available. These are expensive.
  • the object of the invention is to propose an auxiliary drive for a motor vehicle according to the preamble of claim 1, which has a high efficiency both when starting the engine and when driving the vehicle by the first electric machine.
  • the auxiliary drive has a first clutch, by means of which the internal combustion engine can be coupled to the first electric machine, and a first freewheel, by which the third element of the planetary gear is rotatable only in one direction of rotation.
  • the first electric machine can directly drive the internal combustion engine, whereby the efficiency is increased and the planetary gear is spared, in particular during a warm start of the internal combustion engine.
  • the first clutch is closed, the regenerative power of the first electric machine does not depend on the torque requirement of the at least one auxiliary unit.
  • the first electric machine can be controlled independently of the auxiliary generator as a generator or motor, and thus a boost operation by an additional drive torque of the first electric machine is possible.
  • the switching of the first clutch allows a simple change between a stepless operation and a direct operation.
  • the first freewheel through which the third element of the planetary gear, which is at least one auxiliary unit in power exchange, is rotatable only in one direction of rotation, advantageously allows a translation, and thus a torque multiplication when starting the internal combustion engine by the first electric machine, in particular at a cold start.
  • a start of the internal combustion engine is advantageously possible, in which the internal combustion engine is accelerated to its idling speed before the injection process begins. This results in reduced exhaust emissions as compared to a conventional engine start as well as a comfort-enhanced starting process, which is particularly advantageous in start / stop operation.
  • the planetary gear allows advantageous
  • Generator function by generator operation of the first electric machine an alternator of a vehicle with conventional drive is no longer needed
  • the ancillary drive has a first brake, by means of which the first element of the planetary gear can be held in relation to a housing part, then it is possible to increase the rotational speed of the at least one ancillary unit. This is special at low engine speeds advantageous, in particular when a vehicle drive train has a further electric machine for generating electrical energy.
  • the ancillary drive has a second freewheel, by means of which the second element of the planetary gear can only be rotated in one direction of rotation, then it is possible, even if the internal combustion engine is at a standstill, to drive the third element, which is in exchange of power with at least one ancillary unit ,
  • the ancillaries such as air conditioning and power steering, operated such that, for example, during an increased Lenkhelfpumpen amalgamate the performance of the air compressor is reduced.
  • the sum of the required power for ancillaries can be limited.
  • a second brake by which the fourth element can be held against a housing part, advantageously serve as a starting clutch.
  • the internal combustion engine can be started while the auxiliary drive is running by means of a start transmission by means of the first electric machine.
  • This engine start is characterized by low vibrations.
  • An embodiment of the first clutch, by which the internal combustion engine can be coupled with the first electric machine, as a centrifugal clutch leads to significant cost advantages. Whereby the possibilities of driving the at least one accessory in each operating range steplessly and according to need and also eliminating the limitation of the maximum speed.
  • Figure 1 is a schematic representation of an accessory drive according to the invention with a planetary gear, a first clutch for coupling a first electric machine and an internal combustion engine and a first freewheel for determining the direction of rotation of the ring gear.
  • FIG. 2 shows an illustration of the rotational speeds of the at least one ancillary unit, the internal combustion engine and the first electric machine in an accessory drive according to FIG. 1;
  • Fig. 3 is a tabular representation of four
  • Fig. 4 is a schematic representation of the
  • FIG. 5 is an illustration of the rotational speeds of the at least one auxiliary unit, of the internal combustion engine and of the first electric machine in an auxiliary drive according to FIG. 4;
  • Fig. 6 is a schematic representation of the
  • FIG. 7 shows an illustration of the rotational speeds of the at least one ancillary unit, of the internal combustion engine and of the first electric machine in an auxiliary drive according to FIG. 6;
  • Fig. 8 is a schematic representation of the
  • FIG. 9 is an illustration of the rotational speeds of the at least one ancillary unit, of the internal combustion engine and of the first electric machine in an auxiliary drive according to FIG. 8;
  • Figure 1 shows an accessory drive for a motor vehicle with a planetary gear P, a sun gear S, a first set of planet gears PRl, which are mounted with their axes in a planet PT, and a first ring gear Hl includes.
  • a first electric machine EMI with the sun gear S
  • an internal combustion engine VM with the planet PT
  • at least one auxiliary AG with the first ring gear Hl in the power exchange.
  • a first clutch KVE for example, a multi-plate clutch
  • the engine VM can be coupled to the first electric machine EMI.
  • a first freewheel FAG whose one end is connected to the first ring gear Hl and whose other end is connected to a housing part, causes the first ring gear Hl to be rotatable only in one direction, namely the drive direction of the internal combustion engine VM.
  • a start-up of the internal combustion engine VM is achieved by the first electric machine EMI when the first clutch KVE is open, ie. the torque at the planet carrier PT increases to about three times.
  • a first electric machine EMI which can generate a mechanical power of 3 - 6 kW to drive the at least one auxiliary unit AG, easily start the engine VM.
  • the internal combustion engine VM is first brought to normal idling speed, before the injection of fuel is started. This leads compared to a conventional starting process with a starter to lower exhaust emissions and better comfort. As a result, the internal combustion engine VM can go into start / stop operation more frequently, taking into account exhaust gas limit values.
  • Figure 2 illustrates the speed ratios of at least one auxiliary unit AG, the internal combustion engine VM and the first electric machine EMI. On the vertical axis, the speeds are plotted in revolutions per minute.
  • the distances on the horizontal axis between the at least one accessory AG, the internal combustion engine VM and the first electric machine EMI result from the translations of the planetary gear P so that the rotational speeds associated with a specific operating point can be connected by a straight line.
  • two known speeds give the speed of the third element.
  • the second shows a state in which the drive of the at least one accessory AG is supported as needed, for example, only with increased power requirements of the power steering pump or the air compressor, by the first electric machine EMI and the engine VM idles (about 600 rpm) located.
  • the first EMI electric machine in this boost mode only has to contribute 20-40% of the required power.
  • the first clutch KVE is also open.
  • the first electric machine EMI is to change from regenerative to engine operation.
  • the maximum rotational speed of the drive of the at least one auxiliary unit AG can be limited to a speed of 4500 rpm.
  • the first electric machine EMI is operated as a generator, with their power depends on the torque requirement of the drive of at least one auxiliary unit AG. This limited controllability can be compensated for example by another electric machine in the drive train of the motor vehicle in the long term.
  • the speed of the drive of the at least one accessory AG can be controlled as needed in this way
  • the drive of the at least one accessory AG can be driven not only by the internal combustion engine VM but also by the first electric machine EMI, the internal combustion engine VM no longer has to be designed in such a way that that he can already ensure the functions of all ancillary units at idle.
  • the table of Figure 3 shows four examples of design for an accessory drive according to the embodiment of Figure 1 and 2, wherein the idle speed of the engine VM 600 rpm, the maximum speed of the engine VM 6000 rpm and the maximum mechanical power requirement of at least one auxiliary unit AG 6 kW.
  • the power component of the electric machine EMI when the engine VM is idle 33%, ie 2 kW mechanical power.
  • the second and third columns of the table show a design example with increased lower Speed limit nA_lo or with lower upper speed limit nA_hi.
  • a higher ratio of the teeth of the first ring gear Hl to the teeth of the sun gear S of 5.0 also results in a ratio of upper limit nA_hi to lower limit nA_lo of the drive of the at least one accessory AG of 5.0, wherein the (negative) speed
  • the electric machine EMI - 2400 rpm and the power share of the electric machine EMI are 40% when the engine VM is idling.
  • the rotational speed of the electric machine EMI when starting the internal combustion engine VM is 3000 rpm.
  • the upper limit nA hi be further reduced.
  • the speed of the engine VM is smaller than the lower limit of the operating range of the drive of the at least one accessory AG, then releases the first clutch KVE and the drive of the at least one accessory AG is supported by the first electric machine EMI.
  • the first electric machine EMI operates above the lower limit of the normal operating range of the internal combustion engine VM as a generator and below this speed as a motor, but the torque depends on the power requirement of at least one auxiliary unit AG and the control of the power flows is made difficult. Therefore, this operation is only suitable for short phases or in combination with a second electric machine in the drive train of the motor vehicle.
  • the first electric machine EMI, the internal combustion engine VM and the sun gear S of the planetary gear P are arranged coaxially in FIG. However, it is also possible that the first electric machine EMI is arranged outside this axis and by means of a belt, chain or gear drive is connected to the sun gear S of the planetary gear P. This results in further optimization possibilities by choosing the translation of the first electric machine EMI.
  • the first clutch KVE by means of which the internal combustion engine VM can be coupled to the first electric machine EMI, is preferably embodied in a form-fitting manner.
  • An embodiment of the first clutch KVE as a centrifugal clutch leads to significant cost advantages. Where the possibilities to drive the at least one accessory AG steplessly and demand-driven in each operating range and to limit the maximum speed of the auxiliary unit AG, omitted.
  • FIG. 4 shows an accessory drive according to the invention, which has the elements of the accessory drive according to FIG. 1 and additionally a first brake KGE, by means of which the sun gear S • of the planetary gear P can be held in relation to a housing part.
  • the speed of the drive of the at least one auxiliary unit AG can be increased compared to the speed of the internal combustion engine VM. This is particularly advantageous at low speeds of the internal combustion engine VM.
  • the fact that the first electric machine EMI can not generate electrical energy in this locked-down state can be compensated, for example, by a second electric machine in the drive train of the motor vehicle.
  • Figure 6 shows an accessory drive according to the invention with a second freewheel FVG, through which the planet PT relative to a housing part only in one Rotation is rotatable.
  • the second freewheel FVG - as represented by the straight line 8 of FIG. 7 - supports the torque of the drive of the at least one auxiliary unit AG.
  • the power steering power steering pump must be driven while the vehicle is driving purely electrically.
  • the ancillaries such as air conditioning and power steering, operated such that, for example, during an increased Lenkhelfpumpen amalgam the performance of the air compressor is reduced.
  • the sum of the simultaneous power requirements of the ancillary units can be limited.
  • the second freewheel FVG can also be arranged elsewhere along the output shaft of the internal combustion engine VM (crankshaft), if this is favorable, for example, with regard to the available installation space.
  • a solution to this would be to close the first clutch KVE and thus - as straight line 9 of Figure 7 shows - to start the engine VM. In this case, however, no translation would be given at startup, as is the case with straight line 1 of FIG. Furthermore, when the first clutch KVE is closed, the ride comfort may be limited and, in addition, the fatigue strength may be critical.
  • Figure 8 shows an accessory drive according to the invention with an extended planetary gear P with two planetary PRl, PR2 and two ring gears Hl, H2, wherein the second ring gear H2 can be held by a second brake BS against a housing part.
  • the planets of the two planetary gear sets PR1, PR2 are each mounted with their axes in the planet PT.
  • the planets of the first planetary PRl mesh with the sun gear S and the first ring gear Hl and with the planet of the second planetary PR2.
  • the planets of the second Planetenradsatzes PR2 also mesh with the second ring gear H2.
  • the straight line 8 from FIG. 9 describes the identical state with regard to the rotational speeds of the at least one ancillary unit AG, the internal combustion engine VM and the first electric machine EMI such as straight line 8 from FIG. 7.
  • the internal combustion engine VM stands still and the drive of the at least one ancillary unit AG becomes powered by the first electric machine EMI.
  • the second brake BS which holds the second ring gear H2
  • the second brake BS can be used as a starting clutch. Starting from the state according to line 8 so the second brake BS is closed, whereby the speed line 10 passes through the point BS.
  • the second ring gear H2 is therefore still.
  • This engine start is characterized by low vibrations.
  • FIG 10 shows an accessory drive according to the invention with the elements of the accessory drive of Figure 6, wherein the planet PT and thus the output shaft of the engine VM via a second clutch KVM and preferably a Torsionsschwingungsdämpfer with a transmission input shaft GE a drive gear G is connectable.
  • the driving gear G is connected on the output side with an axle drive, not shown, and thus drives wheels of the motor vehicle.
  • a drive G preferably a change gear is used. However, it can also serve a continuously variable transmission as a driving gear G.
  • the transmission input shaft GE is also a second electric machine EM2 in the power exchange, which can be operated both as a generator and motor.
  • the second clutch KVM is open, for example, then the vehicle can be driven solely by the second electric machine EM2.
  • the second clutch KVM is closed, a drive torque can be applied by the internal combustion engine VM and / or the first electric machine EMI and / or the second electric machine EM2.
  • one or both electric machines EMI, EM2 can be operated as a generator.
  • the second clutch KVM is closed, the second electric machine EM2 can be used to start the internal combustion engine VM.
  • the elements arranged on the output side of the second clutch KVM could also be combined with elements of the auxiliary drive units according to FIGS. 1, 4 or 8.
  • FIG. 11 shows an auxiliary drive according to the invention with the elements of the accessory drive according to FIG. 1, wherein the planet carrier PT and thus the output shaft of the internal combustion engine VM can be connected via a second clutch KVM to a third ring gear TH of a power train planetary gearset TP.
  • the Planet carrier PT could also be connectable to another element of the driveline planetary gear TP, but would then give less advantageous gear ratios.
  • a second electric machine EM2 is connected to a sun gear TS of the driveline planetary gear TP.
  • a planet carrier TPT of the driveline planetary gear TP is connected to the transmission input shaft GE of the drive gear G.
  • the planet carrier TPT and thus the transmission input shaft GE can be coupled directly to the sun gear TS and thus to the second electric machine EM2 through a third clutch KEG.
  • the third clutch KEG when the third clutch KEG is open and the second clutch KVM is open, it is possible to drive the motor vehicle purely electrically by means of the second electric machine EM2 with a transmission through the driveline planetary gear TP.
  • the at least one auxiliary unit AG can be driven by the first electric machine EMI or the internal combustion engine VM.
  • open third clutch KEG and closed second clutch KVM it is possible with open third clutch KEG and closed second clutch KVM to drive the motor vehicle with a continuously variable transmission.
  • the rotational speed of the transmission input shaft GE by the rotational speeds of the second electric machine EM2 and the Internal combustion engine VM controllable.
  • a geared neutral function is also possible, in which the rotational speeds of the internal combustion engine VM and the second electric machine EM2 are set such that the rotational speed of the transmission input shaft GE is zero and the motor vehicle thus stands.
  • the transmission input shaft GE, the internal combustion engine VM and the second electric machine EM2 have the same rotational speed, it being possible for the motor vehicle to be driven by the internal combustion engine VM and / or the second electric machine EM2.
  • the elements disposed on the output side of the second clutch KVM could also be combined with elements of the auxiliary drive according to FIGS. 4, 6 or 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structure Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Retarders (AREA)

Abstract

L'invention concerne une prise de mouvement auxiliaire pour un véhicule automobile avec un engrenage planétaire, un premier élément (S) de l'engrenage planétaire (P) se trouvant en échange de puissance avec une première machine électrique (EM1), un deuxième élément (PT) avec un moteur thermique (VM) et un troisième élément (H1) avec au moins un organe auxiliaire (AG). Afin d'obtenir un rendement élevé tant lors du démarrage du moteur thermique que lors de l'entraînement du véhicule par la première machine électrique (EM1), la prise de mouvement auxiliaire présente un premier embrayage (KVE) par lequel le moteur thermique (VM) peut être accouplé à la première machine électrique (EM1), et une première roue libre (FAG) par laquelle le troisième élément (H1) de l'engrenage planétaire (P) n'est rotatif que dans une seule direction de rotation.
EP07801519A 2006-08-11 2007-08-06 Prise de mouvement auxiliaire pour un véhicule automobile Withdrawn EP2061669A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006037577A DE102006037577A1 (de) 2006-08-11 2006-08-11 Nebenaggregatantrieb für ein Kraftfahrzeug
PCT/EP2007/006924 WO2008017436A2 (fr) 2006-08-11 2007-08-06 Prise de mouvement auxiliaire pour un véhicule automobile

Publications (1)

Publication Number Publication Date
EP2061669A2 true EP2061669A2 (fr) 2009-05-27

Family

ID=38922071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07801519A Withdrawn EP2061669A2 (fr) 2006-08-11 2007-08-06 Prise de mouvement auxiliaire pour un véhicule automobile

Country Status (4)

Country Link
EP (1) EP2061669A2 (fr)
JP (1) JP2010500205A (fr)
DE (1) DE102006037577A1 (fr)
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JP2010500205A (ja) 2010-01-07
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