JP5977186B2 - 無段変速機および制御方法 - Google Patents
無段変速機および制御方法 Download PDFInfo
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- JP5977186B2 JP5977186B2 JP2013061776A JP2013061776A JP5977186B2 JP 5977186 B2 JP5977186 B2 JP 5977186B2 JP 2013061776 A JP2013061776 A JP 2013061776A JP 2013061776 A JP2013061776 A JP 2013061776A JP 5977186 B2 JP5977186 B2 JP 5977186B2
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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
- 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
-
- 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
- F16H61/04—Smoothing ratio shift
-
- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
- F16H55/171—Toothed belt pulleys
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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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/52—Pulleys or friction discs of adjustable construction
- F16H55/56—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
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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
- F16H61/04—Smoothing ratio shift
- F16H61/0437—Smoothing ratio shift by using electrical signals
-
- 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
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/04—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
- F16H63/06—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions
- F16H63/065—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism the final output mechanism having an indefinite number of positions hydraulic actuating means
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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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
-
- 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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
- F16H9/18—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
-
- 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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/24—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using chains or toothed belts, belts in the form of links; Chains or belts specially adapted to such 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
- 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
- F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Description
5 無段変速機
10 プライマリプーリ(第1プーリ)
11 セカンダリプーリ(第2プーリ)
12 チェーン(帯体)
12a 噛合溝(溝)
20 CVTコントロールユニット(油圧制御手段、噛合判定手段、異常判定手段、目標変速比算出手段、実変速比算出手段、偏差算出手段、制限手段、告知手段)
27 プライマリプーリ圧センサ(油圧検出手段)
36 オイルポンプ
40 可動歯
41 バネ(付勢手段)
Claims (11)
- 第1固定円錐板、及び第1油室に給排される油圧に応じて軸方向に移動する第1可動円錐板を有する第1プーリと、
第2固定円錐板、第2油室に給排される油圧に応じて軸方向に移動する第2可動円錐板及び軸部の径方向に移動可能な可動歯を有する第2プーリと、
前記第1プーリと前記第2プーリとの間に巻き掛けられて前記第1プーリと前記第2プーリとの間で動力を伝達し、前記可動歯に噛合可能な溝が内周面に形成された環状の帯体と、
前記可動歯を前記軸部の径方向外側に付勢する付勢手段と、
動力源によって駆動され、前記第1油室及び前記第2油室に油圧を供給するオイルポンプとを備える無段変速機であって、
変速比が、前記溝が前記可動歯に噛合する所定変速比となると、前記第2油室の油圧を低下させる油圧制御手段とを備えることを特徴とする無段変速機。 - 請求項1に記載の無段変速機であって、
前記油圧制御手段は、前記付勢手段による付勢力が大きくなるにつれて前記第2油室の油圧の低下量を大きくすることを特徴とする無段変速機。 - 請求項1または2に記載の無段変速機であって、
前記油圧制御手段は、前記溝が前記可動歯に噛合すると同時に前記第2油室の油圧を低下させることを特徴とする無段変速機。 - 請求項1から3のいずれか一つに記載の無段変速機であって、
前記油圧制御手段は、前記第2油室の油圧を下限油圧よりも低下させないことを防止することを特徴とする無段変速機。 - 請求項1から4のいずれか一つに記載の無段変速機であって、
前記溝が前記可動歯に噛合しているかどうか判定する噛合判定手段と、
前記変速比が、前記帯体が前記可動歯から前記付勢手段による付勢力を受ける所定変速比となった後に、前記噛合判定手段によって前記溝が前記可動歯に噛合していないと判定された場合には、前記可動歯、前記付勢手段、前記帯体の少なくともいずれか一つに異常が発生していると判定する異常判定手段とを備えることを特徴とする無段変速機。 - 請求項5に記載の無段変速機であって、
目標変速比を算出する目標変速比算出手段と、
実変速比を算出する変速比算出手段と、
前記実変速比と前記目標変速比との偏差を算出する偏差算出手段とを備え、
前記噛合判定手段は、前記偏差が所定値よりも大きい場合に前記溝が前記可動歯に噛合していないと判定することを特徴とする無段変速機。 - 請求項5に記載の無段変速機であって、
前記第1油室の油圧を検出する油圧検出手段を備え、
前記噛合判定手段は、前記変速比が前記溝と前記可動歯とが噛合する所定変速比となっても、前記第1油室の油圧が、前記溝と前記可動歯とが噛合するときの所定油圧よりも低い場合に、前記溝が前記可動歯に噛合しないと判定することを特徴とする無段変速機。 - 請求項5から7のいずれか一つに記載の無段変速機であって、
前記異常判定手段によって、前記可動歯、前記付勢手段、前記帯体の少なくともいずれか一つに異常が発生していると判定された場合に、前記変速比を前記溝が前記可動歯に噛合しない変速比に制限する制限手段を備えることを特徴とする無段変速機。 - 請求項5から7のいずれか一つに記載の無段変速機であって、
前記油圧制御手段は、前記異常判定手段によって前記可動歯、前記付勢手段、前記帯体の少なくともいずれか一つに異常が発生していると判定された場合に、前記第2油室の油圧を低下させないことを特徴とする無段変速機。 - 請求項5から9のいずれか一つに記載の無段変速機であって、
前記異常判定手段によって前記可動歯、前記付勢手段、前記帯体の少なくともいずれか一つに異常が発生していると判定された場合に、異常発生を知らせる告知手段を備えることを特徴とする無段変速機。 - 第1固定円錐板、及び第1油室に給排される油圧に応じて軸方向に移動する第1可動円錐板を有する第1プーリと、
第2固定円錐板、第2油室に給排される油圧に応じて軸方向に移動する第2可動円錐板及び軸部の径方向に移動可能な可動歯を有する第2プーリと、
前記第1プーリと前記第2プーリとの間に巻き掛けられて前記第1プーリと前記第2プーリとの間で動力を伝達し、前記可動歯に噛合可能な溝が内周面に形成された環状の帯体と、
前記可動歯を前記軸部の径方向外側に付勢する付勢手段と、
動力源によって駆動され、前記第1油室及び前記第2油室に油圧を供給するオイルポンプとを備える無段変速機を制御する制御方法であって、
変速比が、前記溝が前記可動歯に噛合する所定変速比となると、前記第2油室の油圧を低下させることを特徴とする制御方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013061776A JP5977186B2 (ja) | 2013-03-25 | 2013-03-25 | 無段変速機および制御方法 |
PCT/JP2014/057881 WO2014157002A1 (ja) | 2013-03-25 | 2014-03-20 | 無段変速機および制御方法 |
EP14773110.3A EP2980457A4 (en) | 2013-03-25 | 2014-03-20 | Continuously variable transmission and control method |
US14/778,392 US9765883B2 (en) | 2013-03-25 | 2014-03-20 | Continuously variable transmission and control method therefor |
KR1020157021282A KR101699650B1 (ko) | 2013-03-25 | 2014-03-20 | 무단 변속기 및 제어 방법 |
CN201480016753.XA CN105074294B (zh) | 2013-03-25 | 2014-03-20 | 无级变速器及控制方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2013061776A JP5977186B2 (ja) | 2013-03-25 | 2013-03-25 | 無段変速機および制御方法 |
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JP2014185718A JP2014185718A (ja) | 2014-10-02 |
JP5977186B2 true JP5977186B2 (ja) | 2016-08-24 |
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JP2013061776A Active JP5977186B2 (ja) | 2013-03-25 | 2013-03-25 | 無段変速機および制御方法 |
Country Status (6)
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US (1) | US9765883B2 (ja) |
EP (1) | EP2980457A4 (ja) |
JP (1) | JP5977186B2 (ja) |
KR (1) | KR101699650B1 (ja) |
CN (1) | CN105074294B (ja) |
WO (1) | WO2014157002A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5977185B2 (ja) * | 2013-03-25 | 2016-08-24 | ジヤトコ株式会社 | 無段変速機および制御方法 |
WO2015157940A1 (en) * | 2014-04-16 | 2015-10-22 | GM Global Technology Operations LLC | Continuously variable transmission |
WO2016082133A1 (en) * | 2014-11-26 | 2016-06-02 | GM Global Technology Operations LLC | Continuously variable transmission |
JP6364542B2 (ja) * | 2015-03-20 | 2018-07-25 | ジヤトコ株式会社 | 変速機の制御装置及び変速機の制御方法 |
KR101930189B1 (ko) * | 2015-03-20 | 2018-12-17 | 쟈트코 가부시키가이샤 | 변속기의 제어 장치 및 변속기의 제어 방법 |
US10941840B2 (en) | 2016-06-16 | 2021-03-09 | GM Global Technology Operations LLC | Continuously variable transmission with wedge actuation mechanism |
US10267391B2 (en) * | 2016-06-16 | 2019-04-23 | GM Global Technology Operations LLC | Continuously variable transmission with wedge actuation mechanism |
JP2018003952A (ja) * | 2016-07-01 | 2018-01-11 | 本田技研工業株式会社 | ベルト式無段変速機 |
WO2018043005A1 (ja) * | 2016-08-29 | 2018-03-08 | 日産自動車株式会社 | 無段変速機の制御方法 |
CN115743160A (zh) | 2017-01-20 | 2023-03-07 | 北极星工业有限公司 | 用于估计无级变速器的传动带的磨损的方法和系统 |
US10473200B2 (en) | 2017-12-01 | 2019-11-12 | GM Global Technology Operations LLC | Continuously variable transmission with wedge actuation mechanism |
US10473213B2 (en) | 2017-12-01 | 2019-11-12 | GM Global Technology Operations LLC | Method of controlling clamping of wedge-actuated CVT and powertrain with wedge-actuated CVT |
US11686387B2 (en) * | 2019-04-02 | 2023-06-27 | Jatco Ltd | Continuously variable transmission and control method for continuously variable transmission |
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EP3009713B1 (en) * | 2013-06-10 | 2017-07-12 | Jatco Ltd | Continuously variable transmission mechanism |
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2013
- 2013-03-25 JP JP2013061776A patent/JP5977186B2/ja active Active
-
2014
- 2014-03-20 CN CN201480016753.XA patent/CN105074294B/zh active Active
- 2014-03-20 EP EP14773110.3A patent/EP2980457A4/en not_active Withdrawn
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WO2014157002A1 (ja) | 2014-10-02 |
CN105074294B (zh) | 2017-03-15 |
KR101699650B1 (ko) | 2017-01-24 |
EP2980457A4 (en) | 2017-06-14 |
US20160281847A1 (en) | 2016-09-29 |
KR20150105412A (ko) | 2015-09-16 |
CN105074294A (zh) | 2015-11-18 |
US9765883B2 (en) | 2017-09-19 |
JP2014185718A (ja) | 2014-10-02 |
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