DE10311270A1 - Hybrid drive system for automobile has IC engine disengaged during reversing with drive force provided by electric motor(s) - Google Patents

Hybrid drive system for automobile has IC engine disengaged during reversing with drive force provided by electric motor(s) Download PDF

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Publication number
DE10311270A1
DE10311270A1 DE10311270A DE10311270A DE10311270A1 DE 10311270 A1 DE10311270 A1 DE 10311270A1 DE 10311270 A DE10311270 A DE 10311270A DE 10311270 A DE10311270 A DE 10311270A DE 10311270 A1 DE10311270 A1 DE 10311270A1
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Germany
Prior art keywords
unit
drive unit
drive
input shaft
coupling
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DE10311270A
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German (de)
Inventor
Volker Dipl.-Ing. Sanchen
Hartmut Dipl.-Ing. Schröter
Wolfgang Schwienbacher
Lars Weinschenker
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Daimler AG
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DaimlerChrysler AG
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Priority to DE10311270A priority Critical patent/DE10311270A1/en
Publication of DE10311270A1 publication Critical patent/DE10311270A1/en
Withdrawn legal-status Critical Current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
    • B60K6/26—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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of 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
    • B60K6/36—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
    • 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
    • B60K6/40—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
    • B60K6/48—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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

The hybrid drive system has a continuously variable transmission (17) with an input shaft (13) coupled to an IC engine (19) and at least one electric motor (14,15). A clutch (12) between the continuously variable transmission and the IC engine is disengaged during reverse movement of the automobile to allow the drive force to be provided by the electric motor(s). Also included are Independent claims for the following: (a) a drive transmission for a hybrid drive system; (b) a hybrid drive method.

Description

Die Erfindung betrifft insbesondere eine Vorrichtung mit einer Getriebeeinheit nach dem Oberbegriff des Anspruchs 1.The invention particularly relates a device with a transmission unit according to the preamble of claim 1.

Aus der JP 2001047880 A ist eine gattungsgemäße Vorrichtung mit einer Getriebeeinheit bekannt, die eine Eingangswelle zur Kopplung mit einer Brennkraftmaschine und eine stufenlose Übersetzungseinheit zur Übersetzung einer Eingangsdrehzahl der Eingangswelle in eine Ausgangsdrehzahl aufweist, und mit einer von einem Elektromotor gebildeten Alternativantriebseinheit, über die eine Funktion eines vorgesehenen Planetengetriebes außer Kraft gesetzt werden kann und die zur Antriebskrafterzeugung für einen Vorwärtsfahrbetrieb und zur Antriebskrafterzeugung für einen Rückwärtsfahrbetrieb genutzt werden kann.From the JP 2001047880 A a generic device is known with a gear unit having an input shaft for coupling with an internal combustion engine and a continuously variable transmission unit for translating an input speed of the input shaft to an output speed, and with an alternative drive unit formed by an electric motor, over which a function of a proposed planetary gear out of force can be set and which can be used for the drive power generation for a forward drive operation and the drive power generation for a reverse drive operation.

Der Erfindung liegt insbesondere die Aufgabe einer Bauraum- und/oder Komfortoptimierung zugrunde. Sie wird gemäß der Erfindung durch die Merkmale der unabhängigen Patentansprüche gelöst. Weitere Ausgestaltungen ergeben sich aus den Unteransprüchen.The invention is particularly the task of a space and / or Based on comfort optimization. It is according to the invention by the features the independent one claims solved. Further embodiments emerge from the subclaims.

Die Erfindung geht aus von einer Vorrichtung mit einer Getriebeeinheit, die eine Eingangswelle zur Kopplung mit einer insbesondere von einer Brennkraftmaschine gebildeten Antriebseinheit und eine Übersetzungseinheit zur Übersetzung einer Eingangsdrehzahl der Eingangswelle aufweist, und mit einer insbesondere von zumindest einem Elektromotor gebildeten Alternativantriebseinheit.The invention is based on a Device with a gear unit having an input shaft for coupling with a drive unit formed in particular by an internal combustion engine and a translation unit for translation having an input speed of the input shaft, and having a in particular formed by at least one electric motor alternative drive unit.

Es wird vorgeschlagen, dass eine Antriebskrafterzeugung für einen Rückwärtsfahrbetrieb ausschließlich der Alternativantriebseinheit zugeordnet ist. Ein Wendesatz und ein damit verbundener Bauraum kann eingespart oder der dadurch frei werdende Bauraum kann vorteilhaft zumindest teilweise für eine weitere, insbesondere den Komfort steigernde Einheit genutzt werden, wie insbesondere für eine zweite Elektromaschine der Alternativantriebseinheit.It is suggested that a Drive power generation for a reverse drive exclusively associated with the alternative drive unit. A turning set and An associated space can be saved or thereby free Expected space can be advantageous at least partially for another, In particular, the comfort-enhancing unit can be used as especially for a second electric machine of the alternative drive unit.

Die Übersetzungseinheit kann gestuft oder vorteilhaft stufenlos verstellbar ausgeführt sein, wodurch insgesamt ein hoher Wirkungsgrad erreicht werden kann. Bei stufenlos ausgeführten Übersetzungseinheiten wird häufig der Wendesatz von einem Planetengetriebe gebildet, wodurch zusätzlich zur Realisierung einer Drehrichtungsumkehrung eine Parksperre und eine Neutralstellung über das Planetengetriebe realisiert werden kann. Aufgrund eines sich aus dem Planetengetriebe ergebenden großen Einsparpotentials hinsichtlich des Bauraums, einer Teileanzahl und hinsichtlich der Kosten, bietet sich der Einsatz der erfindungsgemäßen Lösung bei Vorrichtungen mit einer stufenlos ausgeführten Übersetzungseinheit besonders vorteilhaft an. Die Übersetzungseinheit kann dabei von sämtlichen, dem Fachmann als sinnvoll erscheinenden Einheiten gebildet sein, wie beispielsweise von einer Übersetzungseinheit mit über ein Umschlingungsglied verbundenen Kegelscheiben, einer Übersetzungseinheit mit Toroidscheiben usw.The translation unit can be ranked or advantageously be infinitely adjustable, whereby a total of a high degree of efficiency can be achieved. For infinitely variable translation units becomes common the turning insert is formed by a planetary gear, which in addition to Realization of a reverse direction a parking brake and a Neutral position over the planetary gear can be realized. Because of a from the planetary gear resulting large savings potential terms the installation space, a number of parts and in terms of cost offers the use of the inventive solution in devices with a continuously executed translation unit particularly advantageous. The translation unit can of all, be formed by the skilled person as reasonable units, such as from a translation unit with more than a wrap member connected cone pulleys, a translation unit with toroidal disks etc.

In einer weiteren Ausgestaltung der Erfindung wird vorgeschlagen, dass die Vorrichtung eine Kupplungseinheit zur Abkopplung der Eingangswelle aufweist. Es kann eine vorteilhafte Abstimmung und Integration erreicht werden. Zudem kann mittels der Kupplungseinheit vorteilhaft eine Parksperrfunktion und/oder eine Neutralstellungsfunktion realisiert werden. Alternativ oder zusätzlich könnte jedoch auch eine, beispielsweise auf ein Differentialgetriebe wirkende, separate Parksperre vorgesehen werden. Ferner könnte grundsätzlich auch die Kupplungseinheit außerhalb der erfindungsgemäßen Vorrichtung angeordnet sein oder es könnte bei besonders ausgestalteten, mit der Eingangswelle gekoppelten Antriebseinheiten, beispielsweise mit elektromagnetischen, flexibel ansteuerbaren Ventiltrieben, auf eine Kupplungseinheit möglicherweise vollständig verzichtet werden.In a further embodiment of the Invention is proposed that the device is a coupling unit for decoupling the input shaft. It can be a beneficial one Voting and integration can be achieved. In addition, by means of the coupling unit advantageous a parking lock function and / or a neutral position function will be realized. Alternatively or additionally, however, could also be one, for example provided on a differential gear, separate parking lock provided become. Furthermore, could in principle also the coupling unit outside the device according to the invention be arranged or it could be in specially designed, coupled to the input shaft Drive units, for example with electromagnetic, flexible controllable valve trains, possibly on a clutch unit Completed be waived.

Weist die Kupplungseinheit zumindest eine schaltbare Kupplung auf, kann eine besonders flexible Steuerung erreicht werden. Grundsätzlich sind jedoch auch nicht explizit schaltbare Kupplungen, wie insbesondere Freiläufe usw., denkbar.Does the coupling unit at least a switchable clutch on, can be a particularly flexible control be achieved. in principle However, are not explicitly switchable couplings, in particular freewheels etc., conceivable.

Die Kupplungseinheit kann eine Nass- und/oder eine Trockenkupplung umfassen. Ist die schaltbare Kupplung als Trockenkupplung ausgebildet, kann jedoch einfach eine kostengünstige Einheit mit einem besonders hohen Wirkungsgrad erreicht werden.The coupling unit can be a wet and / or include a dry clutch. Is the shiftable clutch as dry clutch however, it can simply be a cost effective unit with a particular high efficiency can be achieved.

Ist zumindest ein Teil der Alternativantriebseinheit in einem radial äußeren Bereich der Kupplungseinheit angeordnet und/oder ist zumindest ein Teil der Alternativantriebseinheit koaxial zur Eingangswelle angeordnet, kann eine vorteilhaft platzsparende, insbesondere kurzbauende Konstruktion erreicht werden.Is at least part of the alternative drive unit in a radially outer area arranged the coupling unit and / or is at least a part the alternative drive unit is arranged coaxially with the input shaft, can achieve an advantageous space-saving, especially short construction become.

In einer weiteren Ausgestaltung der Erfindung wird vorgeschlagen, dass die Alternativantriebseinheit neben einer ersten Maschine zumindest eine zweite Maschine umfasst. Zugkraftunterbrechungen und insbesondere abrupte Antriebsleistungsabfälle können vorteilhaft zumindest weitgehend vermieden und der Komfort kann gesteigert werden. Insbesondere kann beim Starten der mit der Eingangswelle verbundenen Antriebseinheit durch die eine Maschine eine Antriebsfunktion durch die andere Maschine wahrgenommen und ein abrupter Antriebsleistungsabfall beim Starten der mit der Eingangswelle verbundenen Antriebseinheit kann zumindest weitgehend vermieden werden. Ferner können vorteilhafte Boosteigenschaften erzielt und es kann eine vorteilhaft flexible Energierückgewinnung durch einen Generatorbetrieb realisiert werden.In a further embodiment of the invention, it is proposed that the alternative drive unit comprises, in addition to a first machine, at least one second machine. Traction interruptions and in particular abrupt drive power drops can advantageously at least largely avoided and the comfort can be increased. In particular, when the drive unit connected to the input shaft is started by one machine, a drive function may be perceived by the other machine, and an abrupt drop in drive power upon starting the drive unit connected to the input shaft may be at least largely avoided. Furthermore, advantageous boosting properties can be achieved and it can be an advantageously flexible energy recovery be realized by a generator operation.

Ist zumindest ein Teil der Alternativantriebseinheit koaxial zu einer Ausgangswelle der Übersetzungseinheit angeordnet, kann eine platzsparende und einfache Integration von zwei Maschinen der Alternativantriebseinheit in einer Baugruppe erreicht werden. Ferner können zusätzliche Bauteile, Gewicht, Bauraum, Montageaufwand und Kosten eingespart werden, indem zumindest ein Teil der Alternativantriebseinheit und zumindest ein Teil der Getriebeeinheit in einer gemeinsamen Gehäuseeinheit angeordnet sind.Is at least part of the alternative drive unit arranged coaxially with an output shaft of the translation unit, Can be a space-saving and easy integration of two machines the alternative drive unit can be achieved in an assembly. Furthermore, can additional Components, weight, space, installation costs and costs saved be by at least part of the alternative drive unit and at least a part of the gear unit in a common housing unit are arranged.

Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbe- schreibung. In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Die Beschreibung und die Ansprüche enthalten zahlreiche Merkmale in Kombination. Der Fachmann wird die Merkmale zweckmäßigerweise auch einzeln betrachten und zu sinnvollen weiteren Kombinationen zusammenfassen.Further advantages arise the following description. In the drawing is a embodiment represented the invention. The description and the claims contain numerous features in combination. The skilled person will become the characteristics expediently also consider individually and summarize to meaningful further combinations.

1 zeigt einen schematisch dargestellten Hybridantrieb eines Kraftfahrzeugs mit einer von einer Brennkraftmaschine gebildeten Antriebseinheit 19 und einer Vorrichtung, die eine Getriebeeinheit 17 und eine Alternativantriebseinheit 10 umfasst. Die Getriebeeinheit 17 weist eine mit der Antriebseinheit 19 gekoppelte Eingangswelle 13 und eine stufenlos verstellbare Übersetzungseinheit 11 zur- Übersetzung einer Eingangsdrehzahl der Eingangswelle 13 auf. Die Übersetzungseinheit 11 umfasst zwei über ein Umschlingungsband 22 verbundene Kegelscheibenpaare 23, 24. Die Übersetzung kann über einen Abstand zwischen zwei Kegelscheiben des Kegelscheibenpaars 23 mittels einer Hydraulikeinheit 25 verstellt werden. Die Hydraulikeinheit 25 weist hierfür einen Elektromotor 26 auf, dessen Stator 27 und dessen Innenläufer 28 platzsparend koaxial zur Eingangswelle 13, in Kraftflussrichtung von der Antriebseinheit 19 zur Übersetzungseinheit 11 vor dem ersten Kegelscheibenpaar 23 angeordnet sind. Über den Elektromotor 26 ist eine Ölpumpe 29 antreibbar, die hydraulisch mit dem ersten Kegelscheibenpaar 23 verbunden ist. 1 shows a schematically illustrated hybrid drive of a motor vehicle with a drive unit formed by an internal combustion engine 19 and a device comprising a gear unit 17 and an alternative drive unit 10 includes. The gear unit 17 has one with the drive unit 19 coupled input shaft 13 and a continuously variable translation unit 11 to translate an input speed of the input shaft 13 on. The translation unit 11 includes two over a wrap band 22 connected conical disk pairs 23 . 24 , The translation may be over a distance between two conical discs of the cone pulley pair 23 by means of a hydraulic unit 25 be adjusted. The hydraulic unit 25 has an electric motor for this purpose 26 on, whose stator 27 and its inner rotor 28 Space-saving coaxial with the input shaft 13 , in power flow direction of the drive unit 19 to the translation unit 11 in front of the first cone pulley pair 23 are arranged. About the electric motor 26 is an oil pump 29 drivable, hydraulically with the first pair of conical disks 23 connected is.

Erfindungsgemäß ist eine Antriebskrafterzeugung für einen Rückwärtsfahrbetrieb ausschließlich der Alternativantriebseinheit 10 zugeordnet, die zwei Elektromaschinen 14, 15 umfasst. Die Vorrichtung weist zur Abkopplung der Antriebseinheit 19 in einem Rückwärtsfahrbetrieb von einer Ausgangswelle 16 eine Kupplungseinheit 12 mit einer schaltbaren Trockenkupplung auf. Ein erster Teil der Trockenkupplung ist mit der Eingangswelle 13 und ein zweiter Teil der Trockenkupplung ist mit einer koaxial zur Eingangswelle 13 angeordneten und mit dem ersten Kegelscheibenpaar 23 verbundenen Zwischenwelle 30 gekoppelt.According to the invention, a drive power generation for a reverse drive operation is exclusive of the alternative drive unit 10 assigned to the two electric machines 14 . 15 includes. The device has for decoupling the drive unit 19 in a reverse drive from an output shaft 16 a coupling unit 12 with a switchable dry clutch on. A first part of the dry clutch is with the input shaft 13 and a second part of the dry clutch is coaxial with the input shaft 13 arranged and with the first cone pulley pair 23 connected intermediate shaft 30 coupled.

Ein Stator 20 und ein mit der Zwischenwelle 30 gekoppelter Innenläufer 21 der ersten Elektromaschine 14 sind im radial äußeren Bereich der Trockenkupplung, koaxial zur Eingangswelle 13, in axialer Richtung von der Antriebseinheit 19 zum Kegelscheibenpaar 23 vor dem Elektromotor 26 der Hydraulikeinheit 25 angeordnet. Die erste Elektromaschine 14 und die Trockenkupplung sind in einem für einen Wandler ausgelegten Gehäuseteil 33 einer Gehäuseeinheit 18 angeordnet. Bei dem dargestellten Ausführungsbeispiel kann damit vorteilhaft auf bestehende Konzepte aufgebaut und verschiedene Baureihen können zumindest teilweise mit denselben Gehäuseteilen ausgeführt werden.A stator 20 and one with the intermediate shaft 30 coupled inner rotor 21 the first electric machine 14 are in the radially outer region of the dry clutch, coaxial with the input shaft 13 in the axial direction of the drive unit 19 to the cone pulley pair 23 in front of the electric motor 26 the hydraulic unit 25 arranged. The first electric machine 14 and the dry clutch are in a designed for a converter housing part 33 a housing unit 18 arranged. In the illustrated embodiment can thus be advantageously built on existing concepts and different series can be performed at least partially with the same housing parts.

Ein Stator 31 und ein Innenläufer 32 der zweiten Elektromaschine 15 sind koaxial zur Ausgangswelle 16 der Übersetzungseinheit 11, auf einer der Antriebseinheit 19 abgewandten Seite des Kegelscheibenpaars 24 angeordnet, wodurch vorteilhaft ein Bauraum eines als Planetengetriebe ausgebildeten Wendesatzes eines Standardgetriebes genutzt werden kann. Der Innenläufer 32 der zweiten Elektromaschine 15 ist mit der Ausgangswelle 16 der Übersetzungseinheit 11 gekoppelt.A stator 31 and an inner rotor 32 the second electric machine 15 are coaxial with the output shaft 16 the translation unit 11 , on one of the drive unit 19 opposite side of the cone pulley pair 24 arranged, which advantageously a space can be used as a planetary gear formed turning set of a standard transmission. The inner rotor 32 the second electric machine 15 is with the output shaft 16 the translation unit 11 coupled.

Die Alternativantriebseinheit 10 mit ihren zwei Elektromaschinen 14, 15 und die Getriebeeinheit 17 sind in der gemeinsamen Gehäuseeinheit 18 angeordnet.The alternative drive unit 10 with her two electric machines 14 . 15 and the gear unit 17 are in the common housing unit 18 arranged.

Wird das Kraftfahrzeug im Vorwärtsfahrbetrieb von der Antriebseinheit 19 angetrieben, ist die Trockenkupplung der Kupplungseinheit 12 geschlossen. Über die erste Elektromaschine 14 und/oder über die zweite Elektromaschine 15 kann im Motorbetrieb parallel geboostet oder im Generatorbetrieb elektrische Energie gewonnen werden. Ausgehend von der Antriebseinheit 19 entsteht dabei ein Kraftfluss über die Eingangswelle 13, die Kupplungseinheit 12, die Zwischenwelle 30 und über die Übersetzungseinheit 11 zur Ausgangswelle 16. Ausgehend von der ersten Elektromaschine 14 entsteht im Motorbetrieb ein Kraftfluss über die Zwischenwelle und über die Übersetzungseinheit 11 zur Ausgangswelle 16 und eine Antriebskraft der zweiten Elektromaschine 15 wird direkt auf die Ausgangswelle 16 übertragen.If the motor vehicle in the forward drive of the drive unit 19 driven, the dry clutch is the coupling unit 12 closed. About the first electric machine 14 and / or the second electric machine 15 Can be boosted in parallel with engine operation or generate electrical energy during generator operation. Starting from the drive unit 19 This creates a power flow through the input shaft 13 , the coupling unit 12 , the intermediate shaft 30 and about the translation unit 11 to the output shaft 16 , Starting from the first electric machine 14 During engine operation, a force flow occurs via the intermediate shaft and via the translation unit 11 to the output shaft 16 and a driving force of the second electric machine 15 gets directly to the output shaft 16 transfer.

Wird das Kraftfahrzeug ausschließlich über die Alternativantriebseinheit 10 angetrieben, beispielsweise im Rückwärtsfahrbetrieb oder im Vorwärtsfahrbetrieb über die erste Elektromaschine 14 und/oder über die zweite Elektromaschine 15, ist die Trockenkupplung geöffnet. Soll dabei im Vorwärtsfahrbetrieb die Antriebseinheit 19 zugeschaltet oder soll von der Alternativantriebseinheit 10 vollständig auf die Antriebseinheit 19 umgeschaltet werden, wird die Trockenkupplung der Kupplungseinheit 12 geschlossen und die Antriebseinheit 19 über die erste Elektromaschine 14 gestartet. Beim Starten der Antriebseinheit 19 durch die erste Elektromaschine 14 wird eine Antriebsfunktion durch die zweite Elektromaschine 15 wahrgenommen, und zwar um einen abrupten Antriebsleistungsabfall zumindest weitgehend zu vermeiden.If the motor vehicle exclusively on the alternative drive unit 10 driven, for example, in reverse operation or in forward driving operation on the first electric machine 14 and / or the second electric machine 15 , the dry clutch is open. Should it while driving forward the drive unit 19 switched on or should from the alternative drive unit 10 completely on the drive unit 19 be switched, the dry clutch of the coupling unit 12 closed and the drive unit 19 over the first electric machine 14 started. When starting the drive unit 19 through the first electric machine 14 becomes a drive function by the second electric machine 15 perceived, and indeed by an abrupt drive power drop at least weitge to avoid.

Im Rückwärtsfahrbetrieb ist die Trockenkupplung der Kupplungseinheit 12 stets geöffnet und die erste und/oder die zweite Elektromaschine 14, 15 der Alternativantriebseinheit 10 wird zu einer im Vorwärtsfahrbetrieb entgegengesetzten Drehrichtung betrieben.In reverse, the dry clutch is the clutch unit 12 always open and the first and / or the second electric machine 14 . 15 the alternative drive unit 10 is operated at a reverse direction of forward drive operation.

1010
AlternativantriebseinAlternativantriebsein
heitNess
1111
Übersetzungseinheittranslation unit
1212
Kupplungseinheitclutch unit
1313
Eingangswelleinput shaft
1414
Maschinemachine
1515
Maschinemachine
1616
Ausgangswelleoutput shaft
1717
Getriebeeinheitgear unit
1818
Gehäuseeinheithousing unit
1919
Antriebseinheitdrive unit
2020
Statorstator
2121
Innenläuferinternal rotor
2222
UmschlingungsbandUmschlingungsband
2323
KegelscheibenpaarConical pulley
2424
KegelscheibenpaarConical pulley
2525
Hydraulikeinheithydraulic unit
2626
Elektromotorelectric motor
2727
Statorstator
2828
Innenläuferinternal rotor
2929
Ölpumpeoil pump
3030
Zwischenwelleintermediate shaft
3131
Statorstator
3232
Innenläuferinternal rotor
3333
Gehäuseteilhousing part

Claims (14)

Vorrichtung mit einer Getriebeeinheit, die eine Eingangswelle zur Kopplung mit einer insbesondere von einer Brennkraftmaschine gebildeten Antriebseinheit und eine Übersetzungseinheit zur Übersetzung einer Eingangsdrehzahl der Eingangswelle aufweist, und mit einer insbesondere von zumindest einem Elektromotor gebildeten Alternativantriebseinheit, dadurch gekennzeichnet , dass eine Antriebskrafterzeugung für einen Rückwärtsfahrbetrieb ausschließlich der Alternativantriebseinheit (10) zugeordnet ist.Device having a transmission unit, which has an input shaft for coupling to a drive unit formed in particular by an internal combustion engine and a translation unit for translating an input speed of the input shaft, and with an alternative drive unit formed in particular by at least one electric motor, characterized in that a drive power generation for a reverse drive operation exclusively the alternative drive unit ( 10 ) assigned. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Übersetzungseinheit (11) stufenlos verstellbar ist.Device according to claim 1, characterized in that the translation unit ( 11 ) is infinitely adjustable. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet eine Kupplungseinheit (12) zur Abkopplung der Eingangswelle (13) während des Rückwärtsfahrbetriebs.Device according to claim 1 or 2, characterized by a coupling unit ( 12 ) for decoupling the input shaft ( 13 ) during reverse operation. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Kupplungseinheit (12) wenigstens eine schaltbare Kupplung aufweist.Device according to claim 3, characterized in that the coupling unit ( 12 ) has at least one switchable coupling. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die schaltbare Kupplung als Trockenkupplung ausgebildet ist.Device according to claim 4, characterized in that that the switchable coupling is designed as a dry clutch. Vorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass zumindest ein Teil (20, 21) der Alternativantriebseinheit (10) in einem radial äußeren Bereich der Kupplungseinheit (12) angeordnet ist.Device according to claim 4 or 5, characterized in that at least one part ( 20 . 21 ) of the alternative drive unit ( 10 ) in a radially outer region of the coupling unit ( 12 ) is arranged. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zumindest ein Teil (20, 21) der Alternativantriebseinheit (10) koaxial zur Eingangswelle (13) angeordnet ist.Device according to one of the preceding claims, characterized in that at least one part ( 20 . 21 ) of the alternative drive unit ( 10 ) coaxial with the input shaft ( 13 ) is arranged. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Alternativantriebseinheit (10) neben einer ersten Maschine (14) zumindest eine zweite Maschine (15) umfasst.Device according to one of the preceding claims, characterized in that the alternative drive unit ( 10 ) next to a first machine ( 14 ) at least one second machine ( 15 ). Vorrichtung nach Anspruch 7 und 8, dadurch gekennzeichnet, dass zumindest ein Teil (31, 32) der Alternativantriebseinheit (10) koaxial zu einer Ausgangswelle (16) der Übersetzungseinheit (11) angeordnet ist.Device according to claim 7 and 8, characterized in that at least one part ( 31 . 32 ) of the alternative drive unit ( 10 ) coaxial with an output shaft ( 16 ) of the translation unit ( 11 ) is arranged. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zumindest ein Teil der Alternativantriebseinheit (10) und zumindest ein Teil der Getriebeeinheit (17) in einer gemeinsamen Gehäuseeinheit (18) angeordnet sind.Device according to one of the preceding claims, characterized in that at least a part of the alternative drive unit ( 10 ) and at least a part of the transmission unit ( 17 ) in a common housing unit ( 18 ) are arranged. Getriebeeinheit für eine Vorrichtung nach einem der vorhergehenden Ansprüche.Transmission unit for a device according to a of the preceding claims. Hybridantrieb mit einer Antriebseinheit (19) und einer Vorrichtung nach einem der vorhergehenden Ansprüche.Hybrid drive with a drive unit ( 19 ) and a device according to any one of the preceding claims. Verfahren mit einer Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass ein Rückwärtsfahrbetrieb ausschließlich durch die Alternativantriebseinheit (10) realisiert wird.Method with a device according to one of claims 1 to 10, characterized in that a reverse drive operation exclusively by the alternative drive unit ( 10 ) is realized. Verfahren mit einer Vorrichtung zumindest nach Anspruch 8, dadurch gekennzeichnet, dass beim Starten der Antriebseinheit (19) durch die eine Maschine (14) eine Antriebsfunktion durch die andere Maschine (15) wahrgenommen wird.Method with a device at least according to claim 8, characterized in that when starting the drive unit ( 19 ) by one machine ( 14 ) a drive function by the other machine ( 15 ) is perceived.
DE10311270A 2003-03-14 2003-03-14 Hybrid drive system for automobile has IC engine disengaged during reversing with drive force provided by electric motor(s) Withdrawn DE10311270A1 (en)

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DE102006008430A1 (en) * 2006-02-23 2007-08-30 Zf Friedrichshafen Ag Drive device for oil pump, has electric motor arranged outside of pump housing and drivingly connected with inner wheel by torque proof driving connection, where inner wheel is located and driven in pump housing
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CN102235490A (en) * 2010-05-07 2011-11-09 腓特烈斯港齿轮工厂股份公司 Operation method for shifting element of an automatic transmission before start-up of an combustion engine
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CN101947914A (en) * 2010-05-31 2011-01-19 重庆长安汽车股份有限公司 Power coupling and transmitting device for hybrid power vehicle

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