JP4748601B2 - 自動変速機の油圧制御装置、及びそれを備えたハイブリッド駆動装置 - Google Patents
自動変速機の油圧制御装置、及びそれを備えたハイブリッド駆動装置 Download PDFInfo
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- JP4748601B2 JP4748601B2 JP2006350309A JP2006350309A JP4748601B2 JP 4748601 B2 JP4748601 B2 JP 4748601B2 JP 2006350309 A JP2006350309 A JP 2006350309A JP 2006350309 A JP2006350309 A JP 2006350309A JP 4748601 B2 JP4748601 B2 JP 4748601B2
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- oil passage
- range pressure
- shift position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
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- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/06—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure
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- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/06—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure
- B60K31/08—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure and one or more electrical components for establishing or regulating input pressure
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- F16H61/0246—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by initiating reverse gearshift
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- 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
- F16H2312/00—Driving activities
- F16H2312/09—Switching between forward and reverse
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- 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
- F16H61/68—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 stepped gearings
- F16H61/684—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 stepped gearings without interruption of drive
- F16H61/686—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 stepped gearings without interruption of drive with orbital gears
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- 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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- 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
- Y02T10/64—Electric machine technologies in electromobility
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- 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
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- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
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- 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
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Description
信号圧(PSB)を出力し得る第1信号電磁弁(SB)と、
前記後進用摩擦係合要素(B−2)の油圧サーボ(33)に係合圧(PB2)を供給する後進係合油路(b1,b3,b8,b9,k1,k2,k3,k4,l1,l2,l3,l4)に介在し、前記第1信号電磁弁(SB)の信号圧(PSB)の出力状態に基づき、前記後進係合油路(特にb9とk1)を連通する係合位置(図4中左半位置)と、該後進係合油路を用いてドレーンするよりも早くドレーン可能な排出位置(図4中右半位置)と、に切換えられる第1切換えバルブ(14)と、
前記前進用摩擦係合要素(C−1)の油圧サーボ(31)に係合圧(PC1)を供給する前進係合油路(c1,c3,c4,c6)に介在し、前記第1信号電磁弁(SB)の信号圧(PSB)の出力状態に基づき、前記前進係合油路(特にc3とc4)を連通する係合位置(図4中左半位置)と、該前進係合油路を用いてドレーンするよりも早くドレーン可能な排出位置(図4中右半位置)と、に切換えられる第2切換えバルブ(15)と、を備え、
前記後進シフトポジション(R)から前記非走行シフトポジション(P,N)に変更された際、及び前記前進シフトポジション(D)から前記非走行シフトポジション(P,N)に変更された際に、前記第1信号電磁弁(SB)の信号圧(PSB)の出力状態を変更し、前記後進用摩擦係合要素(B−2)の油圧サーボ(33)の油圧、及び前記前進用摩擦係合要素(C−1)の油圧サーボ(31)の油圧、のクイックドレーンを行うことを可能に構成した、
ことを特徴とする自動変速機の油圧制御装置(10)にある。
ことを特徴とする請求項1記載の自動変速機の油圧制御装置(10)にある。
前記前進係合油路は、前記第1調圧電磁弁(SL1)の制御圧(PSL1)を前記前進用摩擦係合要素(C−1)の油圧サーボ(31)に前記係合圧(PC1)として供給する制御圧供給油路(c1,c3,c4,c6)である、
ことを特徴とする請求項1または2記載の自動変速機の油圧制御装置(10)にある。
前記第2切換えバルブ(15)は、前記排出位置(図4中右半位置)の際に、前記前進用摩擦係合要素(C−1)の油圧サーボ(31)までの前記前進係合油路(c4,c6)と前記前進レンジ圧出力ポート(20b,20c)とを連通する第1前進レンジ圧油路(a1,a3,a4)に接続されてなる、
ことを特徴とする請求項1ないし3のいずれか記載の自動変速機の油圧制御装置(10)にある。
前記第2切換えバルブ(15)は、前記非走行シフトポジション(P,N)から前記前進シフトポジション(D)に変更された際に前記係合位置(図4中左半位置)側に付勢するように前記前進レンジ圧(PD)を供給する第2前進レンジ圧油路(a1,a2,a5,a6,a7)に接続されてなる、
ことを特徴とする請求項4記載の自動変速機の油圧制御装置(10)にある。
ことを特徴とする請求項5記載の自動変速機の油圧制御装置(10)にある。
ことを特徴とする請求項5または6記載の自動変速機の油圧制御装置(10)にある。
ことを特徴とする請求項5ないし7のいずれか記載の自動変速機の油圧制御装置(10)にある。
ことを特徴とする請求項8記載の自動変速機の油圧制御装置(10)にある。
ことを特徴とする請求項9記載の自動変速機の油圧制御装置(10)にある。
前記自動変速機(3)は、前記後進シフトポジション(R)の際に前記後進用ブレーキ(B−2)と共に係合される後進用クラッチ(C−3)を備え、
前記非走行シフトポジション(P,N)から前記後進シフトポジション(R)に変更された際に、信号圧(PSR)を出力する第2信号電磁弁(SR)と、
前記後進用クラッチ(C−3)の油圧サーボ(32)に調圧制御した制御圧(PSL4)を供給し得る第2調圧電磁弁(SL4)と、を備え、
前記第3切換えバルブ(12)は、前記第2調圧電磁弁(SL4)と前記後進用クラッチ(C−3)の油圧サーボ(32)と前記レンジ圧切換えバルブ(20)の後進レンジ圧出力ポート(20d)との間に介在し、前記連通位置(図4中左半位置)の際に前記第2調圧電磁弁(SL4)と前記後進用クラッチ(C−3)の油圧サーボ(32)とを連通し、かつ前記遮断位置(図4中右半位置)の際に前記レンジ圧切換えバルブ(20)の後進レンジ圧出力ポート(20d)と前記後進用クラッチ(C−3)の油圧サーボ(32)とを連通してなり、前記第2信号電磁弁(SR)の信号圧(PSR)を入力した際に、前記第3後進レンジ圧油路(b1,b3,b4,b7)からの後進レンジ圧(PR)に拘らず、前記連通位置(図4中左半位置)に切換えられ、前記第2信号電磁弁(SR)の信号圧(PSR)が非入力の際に、前記第3後進レンジ圧油路(b1,b3,b4,b7)からの後進レンジ圧(PR)によって、前記遮断位置(図4中右半位置)に切換えられて、前記第2調圧電磁弁(SL4)の故障時にあっても前記後進レンジ圧(PR)を前記後進用クラッチ(C−3)の油圧サーボ(32)に供給する保障用バルブからなる、
ことを特徴とする請求項10記載の自動変速機の油圧制御装置(10)にある。
前記ハイブリッド駆動部(2)の駆動軸(2b)の回転を変速し得る前記自動変速機(3)と、
前記請求項1ないし11のいずれか記載の自動変速機の油圧制御装置(10)と、を備えた、
ことを特徴とするハイブリッド駆動装置(1)にある。
2 ハイブリッド駆動部
2b 駆動軸
3 自動変速機
4 内燃エンジン
10 自動変速機の油圧制御装置
12 第3切換えバルブ、保障用バルブ(C3リレーバルブ)
14 第1切換えバルブ(B2リレーバルブ)
15 第2切換えバルブ(C1リレーバルブ)
20 レンジ圧切換えバルブ(マニュアルバルブ)
20b,20c 前進レンジ圧出力ポート
20d 後進レンジ圧出力ポート
31 前進用摩擦係合要素(第1クラッチ)の油圧サーボ
33 後進用摩擦係合要素(第2ブレーキ)の油圧サーボ
42 遅延手段(チェックボール)
PR0 動力分配機構(動力分配プラネタリギヤ)
M1 第1モータ
M2 第2モータ
C−1 前進用摩擦係合要素(第1クラッチ)
C−3 後進用クラッチ(第3クラッチ)
B−2 後進用摩擦係合要素、後進用ブレーキ(第2ブレーキ)
P,N 非走行シフトポジション(P位置、N位置)
D 前進シフトポジション(D位置)
R 後進シフトポジション(R位置)
SB 第1信号電磁弁(ソレノイドバルブ)
SR 第2信号電磁弁(ソレノイドバルブ)
SL1 第1調圧電磁弁(リニアソレノイドバルブ)
SL4 第2調圧電磁弁(リニアソレノイドバルブ)
PD 前進レンジ圧
PR 後進レンジ圧
PSB 信号圧
PSR 信号圧
PSL1 制御圧
PSL4 制御圧
PC1 係合圧
PB2 係合圧
c1,c3,c4,c6 前進係合油路、制御圧供給油路
b1,b3,b8,b9,k1,k2,k3,k4,l1,l2,l3,l4 後進係合油路、第1後進レンジ圧油路
a1,a3,a4 第1前進レンジ圧油路
a1,a2,a5,a6,a7 第2前進レンジ圧油路
a1,a3,a5,a8,a9 第3前進レンジ圧油路
b1,b3,b4,b5,b6 第2後進レンジ圧油路
b1,b3,b4,b7 第3後進レンジ圧油路
Claims (12)
- 非走行シフトポジションから前進シフトポジションに変更された際に係合され、前記前進シフトポジションから前記非走行シフトポジションに変更された際に解放される前進用摩擦係合要素と、非走行シフトポジションから後進シフトポジションに変更された際に係合され、前記後進シフトポジションから前記非走行シフトポジションに変更された際に解放される後進用摩擦係合要素と、を備えた自動変速機の油圧制御装置において、
信号圧を出力し得る第1信号電磁弁と、
前記後進用摩擦係合要素の油圧サーボに係合圧を供給する後進係合油路に介在し、前記第1信号電磁弁の信号圧の出力状態に基づき、前記後進係合油路を連通する係合位置と、該後進係合油路を用いてドレーンするよりも早くドレーン可能な排出位置と、に切換えられる第1切換えバルブと、
前記前進用摩擦係合要素の油圧サーボに係合圧を供給する前進係合油路に介在し、前記第1信号電磁弁の信号圧の出力状態に基づき、前記前進係合油路を連通する係合位置と、該前進係合油路を用いてドレーンするよりも早くドレーン可能な排出位置と、に切換えられる第2切換えバルブと、を備え、
前記後進シフトポジションから前記非走行シフトポジションに変更された際、及び前記前進シフトポジションから前記非走行シフトポジションに変更された際に、前記第1信号電磁弁の信号圧の出力状態を変更し、前記後進用摩擦係合要素の油圧サーボの油圧、及び前記前進用摩擦係合要素の油圧サーボの油圧、のクイックドレーンを行うことを可能に構成した、
ことを特徴とする自動変速機の油圧制御装置。 - 少なくとも低油温時にあって、前記第1信号電磁弁の信号圧の出力状態を変更して前記クイックドレーンを行う、
ことを特徴とする請求項1記載の自動変速機の油圧制御装置。 - 前記前進用摩擦係合要素の油圧サーボに調圧制御した制御圧を供給し得る第1調圧電磁弁を備え、
前記前進係合油路は、前記第1調圧電磁弁の制御圧を前記前進用摩擦係合要素の油圧サーボに前記係合圧として供給する制御圧供給油路である、
ことを特徴とする請求項1または2記載の自動変速機の油圧制御装置。 - 前記前進シフトポジションの際に前進レンジ圧を出力し、かつそれ以外のシフトポジションにて該前進レンジ圧をドレーンする前進レンジ圧出力ポートと、前記後進シフトポジションの際に後進レンジ圧を出力し、かつそれ以外のシフトポジションにて該後進レンジ圧をドレーンする後進レンジ圧出力ポートと、を有するレンジ圧切換えバルブを備え、
前記第2切換えバルブは、前記排出位置の際に、前記前進用摩擦係合要素の油圧サーボまでの前記前進係合油路と前記前進レンジ圧出力ポートとを連通する第1前進レンジ圧油路に接続されてなる、
ことを特徴とする請求項1ないし3のいずれか記載の自動変速機の油圧制御装置。 - 前記第1及び第2切換えバルブは、前記第1信号電磁弁の信号圧を入力した際に、前記排出位置側に付勢されてなり、
前記第2切換えバルブは、前記非走行シフトポジションから前記前進シフトポジションに変更された際に前記係合位置側に付勢するように前記前進レンジ圧を供給する第2前進レンジ圧油路に接続されてなる、
ことを特徴とする請求項4記載の自動変速機の油圧制御装置。 - 前記第1前進レンジ圧油路に介在し、前記第2前進レンジ圧油路から前記第2切換えバルブに供給される前進レンジ圧よりも、前記第1前進レンジ圧油路から前記第2切換えバルブに供給される前進レンジ圧を遅延させる遅延手段を備えた、
ことを特徴とする請求項5記載の自動変速機の油圧制御装置。 - 前記第2前進レンジ圧油路に介在すると共に前記前進レンジ圧を供給する第3前進レンジ圧油路に接続され、前記非走行シフトポジションの際に前記第2前進レンジ圧油路を連通する連通位置に切換えられ、前記前進シフトポジションの際に前記第3前進レンジ圧油路からの前進レンジ圧を入力し、前記前進用摩擦係合要素の係合後に該第3前進レンジ圧油路からの前進レンジ圧の付勢によって前記第2前進レンジ圧油路を遮断する遮断位置に切換えられる第3切換えバルブを備えた、
ことを特徴とする請求項5または6記載の自動変速機の油圧制御装置。 - 前記後進係合油路は、前記後進レンジ圧を前記後進用摩擦係合要素の油圧サーボに前記係合圧として供給する第1後進レンジ圧油路である、
ことを特徴とする請求項5ないし7のいずれか記載の自動変速機の油圧制御装置。 - 前記第1切換えバルブは、前記非走行シフトポジションから前記後進シフトポジションに変更された際に前記係合位置側に付勢するように前記後進レンジ圧を供給する第2後進レンジ圧油路に接続されてなる、
ことを特徴とする請求項8記載の自動変速機の油圧制御装置。 - 前記第2後進レンジ圧油路に介在すると共に前記後進レンジ圧を供給する第3後進レンジ圧油路に接続され、前記非走行シフトポジションの際に前記第2後進レンジ圧油路を連通する連通位置に切換えられ、前記後進シフトポジションの際に前記第3後進レンジ圧油路からの後進レンジ圧を入力し、前記後進用摩擦係合要素の係合後に該第3後進レンジ圧油路からの後進レンジ圧の付勢によって前記第2後進レンジ圧油路を遮断する遮断位置に切換えられる第3切換えバルブを備えた、
ことを特徴とする請求項9記載の自動変速機の油圧制御装置。 - 前記後進用摩擦係合要素は、後進用ブレーキからなり、
前記自動変速機は、前記後進シフトポジションの際に前記後進用ブレーキと共に係合される後進用クラッチを備え、
前記非走行シフトポジションから前記後進シフトポジションに変更された際に、信号圧を出力する第2信号電磁弁と、
前記後進用クラッチの油圧サーボに調圧制御した制御圧を供給し得る第2調圧電磁弁と、を備え、
前記第3切換えバルブは、前記第2調圧電磁弁と前記後進用クラッチの油圧サーボと前記レンジ圧切換えバルブの後進レンジ圧出力ポートとの間に介在し、前記連通位置の際に前記第2調圧電磁弁と前記後進用クラッチの油圧サーボとを連通し、かつ前記遮断位置の際に前記レンジ圧切換えバルブの後進レンジ圧出力ポートと前記後進用クラッチの油圧サーボとを連通してなり、前記第2信号電磁弁の信号圧を入力した際に、前記第3後進レンジ圧油路からの後進レンジ圧に拘らず、前記連通位置に切換えられ、前記第2信号電磁弁の信号圧が非入力の際に、前記第3後進レンジ圧油路からの後進レンジ圧によって、前記遮断位置に切換えられて、前記第2調圧電磁弁の故障時にあっても前記後進レンジ圧を前記後進用クラッチの油圧サーボに供給する保障用バルブからなる、
ことを特徴とする請求項10記載の自動変速機の油圧制御装置。 - 内燃エンジンからの駆動力を動力分配機構によって第1モータと駆動軸とに分配すると共に、該駆動軸に第2モータの駆動力を付与し得るように構成されたハイブリッド駆動部と、
前記ハイブリッド駆動部の駆動軸の回転を変速し得る前記自動変速機と、
前記請求項1ないし11のいずれか記載の自動変速機の油圧制御装置と、を備えた、
ことを特徴とするハイブリッド駆動装置。
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JP2006350309A JP4748601B2 (ja) | 2006-12-26 | 2006-12-26 | 自動変速機の油圧制御装置、及びそれを備えたハイブリッド駆動装置 |
CN2007800314539A CN101506548B (zh) | 2006-12-26 | 2007-12-06 | 自动变速器的液压控制装置以及具有该装置的混合动力驱动装置 |
DE112007002045T DE112007002045T5 (de) | 2006-12-26 | 2007-12-06 | Hydrauliksteuervorrichtung für ein Automatikgetriebe und damit versehene Hybridantriebsvorrichtung |
PCT/JP2007/073615 WO2008078531A1 (ja) | 2006-12-26 | 2007-12-06 | 自動変速機の油圧制御装置、及びそれを備えたハイブリッド駆動装置 |
US12/003,454 US8066090B2 (en) | 2006-12-26 | 2007-12-26 | Hydraulic pressure control device of an automatic transmission and hybrid drive device having the hydraulic pressure control device |
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