JP2018194125A - 車両用動力伝達装置 - Google Patents
車両用動力伝達装置 Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 165
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 131
- 230000007246 mechanism Effects 0.000 claims description 49
- 239000010720 hydraulic oil Substances 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 6
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- 230000003111 delayed effect Effects 0.000 abstract description 18
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- 230000035939 shock Effects 0.000 description 1
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
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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
- F16H61/02—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
- F16H61/0262—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 hydraulic
- F16H61/0265—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 hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
- F16H61/0267—Layout of hydraulic control circuits, e.g. arrangement of valves
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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
- F16H61/02—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
- F16H61/0262—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 hydraulic
- F16H61/0276—Elements specially adapted for hydraulic control units, e.g. valves
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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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
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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
- F16H61/66—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
- F16H61/66272—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 characterised by means for controlling the torque transmitting capability of the gearing
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0221—Valves for clutch control systems; Details thereof
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
- F16D2048/0287—Hydraulic circuits combining clutch actuation and other hydraulic systems
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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
- F16H61/02—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
- F16H61/0262—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 hydraulic
- F16H61/0276—Elements specially adapted for hydraulic control units, e.g. valves
- F16H2061/0279—Details of hydraulic valves, e.g. lands, ports, spools or springs
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1252—Fail safe valves
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
- F16H2061/126—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is the controller
- F16H2061/1264—Hydraulic parts of the controller, e.g. a sticking valve or clogged channel
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
- F16H2061/1288—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is an actuator
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Transmission Device (AREA)
- Transmission Devices (AREA)
Abstract
【解決手段】プライマリ用電磁弁SLPが断線することで、フェールセーフバルブ106がフェール時位置に切り替わると、ベルト走行用クラッチC2に作動油を供給するための油路Lc2とDレンジ圧Pdが供給される油路Ldとが連通することから、ベルト走行用クラッチC2にDレンジ圧Pdが供給される。ここで、油路Ldにはオリフィス112が設けられていることから、ベルト走行用クラッチC2のC2圧Pc2の上昇が遅らせられる。従って、ベルト走行用クラッチC2の係合過渡期にベルト滑りが防止されるベルト挟圧力を確保でき、ベルト滑りを防止することができる。
【選択図】図5
Description
24:無段変速機
28:ギヤ機構
58:プライマリプーリ
58c:プライマリ側油圧アクチュエータ
62:セカンダリプーリ
62c:セカンダリ側油圧アクチュエータ
64:伝動ベルト
80、134:電子制御装置(制御装置)
96、132:油圧制御回路
106、140:フェールセーフバルブ
112、144:オリフィス
C1:ギヤ走行用クラッチ
C2、C3:ベルト走行用クラッチ
Lc2:油路(ベルト走行用クラッチに作動油を供給するための油路)
Lsl2:油路(制御油圧が供給される油路)
Lsl3:油路(制御油圧が供給される油路)
Ld:油路(制御油圧よりも高圧の油圧が供給される油路)
Llpm:油路(制御油圧よりも高圧の油圧が供給される油路)
Lo:油路(ベルト走行用クラッチに作動油を供給するための油路)
pr1:第1油室(油室)
pr:油室
SLP:プライマリ用電磁弁(電磁弁)
SL:切替用電磁弁(電磁弁)
Claims (5)
- プライマリプーリ、セカンダリプーリ、および前記プライマリプーリと前記セカンダリプーリとの間に巻き掛けられる伝動ベルトを備えて構成される無段変速機と、該無段変速機に動力を伝達するための油圧式のベルト走行用クラッチと、前記無段変速機および前記ベルト走行用クラッチを制御する油圧制御回路とを、含んで構成され、前記油圧制御回路は、前記ベルト走行用クラッチに作動油を供給するための油路の連通先を、制御油圧が供給される油路および該制御油圧よりも高圧の油圧が供給される油路の一方に切り替えるフェールセーフバルブを有し、該フェールセーフバルブは、フェール時位置に切り替わると、前記ベルト走行用クラッチに作動油を供給するための油路と、前記制御油圧よりも高圧の油圧が供給される油路とを連通させるものである、車両用動力伝達装置であって、
前記制御油圧よりも高圧の油圧が供給される油路には、オリフィスが設けられている
ことを特徴とする車両用動力伝達装置。 - 前記フェールセーフバルブは、該フェールセーフバルブ内に形成されている油室内の油圧が所定値以上になるとフェール時位置に切り替えられるものであり、
前記油室には、電磁弁から出力される油圧が供給され、
前記電磁弁は、供給電流がゼロになると油圧を出力するように構成されていることを特徴とする請求項1の車両用動力伝達装置。 - 前記プライマリプーリのプーリ幅を調整するためのプライマリ側油圧アクチュエータが設けられ、
前記プライマリ側油圧アクチュエータには、前記電磁弁の出力圧または該電磁弁の出力圧に基づいて調圧された油圧が供給されることを特徴とする請求項2の車両用動力伝達装置。 - 前記セカンダリプーリと前記伝動ベルトとの間で発生するベルト挟圧力を調整するためのセカンダリ側油圧アクチュエータが設けられ、
前記電磁弁の故障が判定されると、前記セカンダリ側油圧アクチュエータの油圧を増圧させる制御装置をさらに備えることを特徴とする請求項2または3の車両用動力伝達装置。 - 前記無段変速機と並列に配置されるギヤ機構と、該ギヤ機構に動力を伝達するためのギヤ走行用クラッチとを、さらに備えることを特徴とする請求項1から4何れか1の車両用動力伝達装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017099889A JP6919985B2 (ja) | 2017-05-19 | 2017-05-19 | 車両用動力伝達装置 |
US15/983,661 US11149843B2 (en) | 2017-05-19 | 2018-05-18 | Vehicle power transmission device |
CN201810482286.XA CN108930769B (zh) | 2017-05-19 | 2018-05-18 | 车辆用动力传递装置 |
Applications Claiming Priority (1)
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JP2017099889A JP6919985B2 (ja) | 2017-05-19 | 2017-05-19 | 車両用動力伝達装置 |
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JP2018194125A true JP2018194125A (ja) | 2018-12-06 |
JP6919985B2 JP6919985B2 (ja) | 2021-08-18 |
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US (1) | US11149843B2 (ja) |
JP (1) | JP6919985B2 (ja) |
CN (1) | CN108930769B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020080284A1 (ja) | 2018-10-15 | 2020-04-23 | 京セラ株式会社 | 電力管理装置、電力管理システム及び電力管理方法 |
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US10598277B2 (en) * | 2016-01-29 | 2020-03-24 | Jatco Ltd | Control device that handles erroneous clutch engagement |
JP6561979B2 (ja) * | 2016-12-24 | 2019-08-21 | トヨタ自動車株式会社 | 車両用駆動装置の制御装置 |
JP6879196B2 (ja) * | 2017-12-27 | 2021-06-02 | トヨタ自動車株式会社 | 車両用動力伝達装置の制御装置 |
KR102575179B1 (ko) * | 2018-08-22 | 2023-09-05 | 현대자동차 주식회사 | 차량용 동력전달장치 |
JP7241003B2 (ja) * | 2019-11-18 | 2023-03-16 | 本田技研工業株式会社 | 無段変速機の制御装置 |
CN111322396B (zh) * | 2020-03-27 | 2021-10-08 | 潍柴动力股份有限公司 | Cvt自动变速箱保护方法及装置 |
JP7412590B2 (ja) * | 2020-11-02 | 2024-01-12 | ジヤトコ株式会社 | プーリ圧制御弁のダンピング圧供給回路 |
CN114754131B (zh) * | 2022-04-14 | 2024-05-17 | 中国煤炭科工集团太原研究院有限公司 | 一种仿离合器控制的换挡手柄互锁装置 |
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JP4678417B2 (ja) * | 2008-04-18 | 2011-04-27 | トヨタ自動車株式会社 | 油圧制御装置 |
JP4678435B2 (ja) | 2008-12-17 | 2011-04-27 | トヨタ自動車株式会社 | 無段変速機の油圧供給装置 |
JP2010223317A (ja) * | 2009-03-23 | 2010-10-07 | Aisin Seiki Co Ltd | 流体伝動装置の油圧制御装置 |
JP5435160B2 (ja) | 2013-03-08 | 2014-03-05 | トヨタ自動車株式会社 | ベルト式無段変速機 |
WO2016013389A1 (ja) | 2014-07-23 | 2016-01-28 | アイシン・エィ・ダブリュ株式会社 | 自動変速機の油圧制御装置 |
JP2016102565A (ja) | 2014-11-28 | 2016-06-02 | ダイハツ工業株式会社 | 切替バルブ |
JP6233337B2 (ja) | 2015-03-13 | 2017-11-22 | トヨタ自動車株式会社 | 動力伝達装置の制御装置 |
JP6621621B2 (ja) | 2015-09-04 | 2019-12-18 | アイシン・エィ・ダブリュ株式会社 | 自動変速機の油圧制御装置 |
JP2017161056A (ja) | 2016-03-11 | 2017-09-14 | トヨタ自動車株式会社 | 動力伝達装置の制御装置 |
JP6879196B2 (ja) * | 2017-12-27 | 2021-06-02 | トヨタ自動車株式会社 | 車両用動力伝達装置の制御装置 |
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