JP4660584B2 - 無段変速機及びその変速制御方法 - Google Patents
無段変速機及びその変速制御方法 Download PDFInfo
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- JP4660584B2 JP4660584B2 JP2008245752A JP2008245752A JP4660584B2 JP 4660584 B2 JP4660584 B2 JP 4660584B2 JP 2008245752 A JP2008245752 A JP 2008245752A JP 2008245752 A JP2008245752 A JP 2008245752A JP 4660584 B2 JP4660584 B2 JP 4660584B2
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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
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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
- 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
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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
-
- 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
-
- 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
- F16H61/08—Timing control
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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
- F16H61/10—Controlling shift hysteresis
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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
-
- 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
- F16H61/66254—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 controlling of shifting being influenced by a signal derived from the engine and the main coupling
- F16H61/66259—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 controlling of shifting being influenced by a signal derived from the engine and the main coupling using electrical or electronical sensing or control 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
- 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
- F16H2037/023—CVT's provided with at least two forward and one reverse ratio in a serial arranged sub-transmission
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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
- F16H2037/025—CVT's in which the ratio coverage is used more than once to produce the overall transmission ratio coverage, e.g. by shift to end of range, then change ratio in sub-transmission and shift CVT through range once again
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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
- F16H2061/6604—Special control features generally applicable to continuously variable gearings
- F16H2061/6614—Control of ratio during dual or multiple pass shifting for enlarged ration coverage
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Transmission Devices (AREA)
- Vehicle Body Suspensions (AREA)
Description
11 油圧制御回路(変速制御手段)
12 変速機コントローラ(変速制御手段)
20 バリエータ
21 プライマリプーリ
22 セカンダリプーリ
23 Vベルト
30 副変速機構
Claims (4)
- 車両に搭載される無段変速機であって、
変速比を無段階に変更することができるベルト式無段変速機構(以下、「バリエータ」という)と、
前記バリエータの後段かつ前記バリエータに対して直列に設けられ、前進用変速段として第1変速段とこの第1変速段よりも変速比の小さな第2変速段とを含む副変速機構と、
前記車両の運転条件に基づき、前記バリエータの変速比と前記副変速機構の変速段とを変更することで、前記バリエータ及び前記副変速機構の全体の変速比であるスルー変速比を変更する変速制御手段と、
を備え、
前記バリエータの変速比が最High変速比で前記副変速機構の変速段が前記第1変速段であるときの前記スルー変速比がモード切換変速比として設定され、
前記変速制御手段は、前記スルー変速比が前記モード切換変速比よりも大きな変速比から小さな変速比に変化したときに前記副変速機構の変速段を前記第1変速段から前記第2変速段に変更する、
ことを特徴とする無段変速機。 - 前記変速制御手段は、前記副変速機構の変速段を前記第1変速段から前記第2変速段に変更するときに前記バリエータの変速比を変速比大側に変更する、
ことを特徴とする請求項1に記載の無段変速機。 - 車両に搭載され、変速比を無段階に変更することができるベルト式無段変速機構(以下、「バリエータ」という)と、前記バリエータの後段かつ前記バリエータに対して直列に設けられ、前進用変速段として第1変速段とこの第1変速段よりも変速比の小さな第2変速段とを含む副変速機構と、前記車両の運転条件に基づき、前記バリエータの変速比と前記副変速機構の変速段とを変更することで、前記バリエータ及び前記副変速機構の全体の変速比であるスルー変速比を変更する変速制御手段とを備えた無段変速機の変速制御方法であって、
前記バリエータの変速比が最High変速比で前記副変速機構の変速段が前記第1変速段であるときの前記スルー変速比をモード切換変速比として設定し、
前記スルー変速比が前記モード切換変速比よりも大きな変速比から小さな変速比に変化したときに前記副変速機構の変速段を前記第1変速段から前記第2変速段に変更する、
ことを特徴とする変速制御方法。 - 前記副変速機構の変速段を前記第1変速段から前記第2変速段に変更するときに前記バリエータの変速比を変速比大側に変更する、
ことを特徴とする請求項3に記載の変速制御方法。
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008245752A JP4660584B2 (ja) | 2008-09-25 | 2008-09-25 | 無段変速機及びその変速制御方法 |
EP20090011501 EP2169278B1 (en) | 2008-09-25 | 2009-09-08 | Continuously variable transmission and control method thereof |
DE200960000567 DE602009000567D1 (de) | 2008-09-25 | 2009-09-08 | Stufenlos verstellbares Getriebe und zugehöriges Steuerungsverfahren |
AT09011501T ATE495396T1 (de) | 2008-09-25 | 2009-09-08 | Stufenlos verstellbares getriebe und zugehöriges steuerungsverfahren |
US12/558,139 US20100075799A1 (en) | 2008-09-25 | 2009-09-11 | Continuously variable transmission and control method thereof |
CN201310454414.7A CN103498895B (zh) | 2008-09-25 | 2009-09-17 | 无级变速器及其变速控制方法 |
CN201310454413.2A CN103557320B (zh) | 2008-09-25 | 2009-09-17 | 无级变速器及其变速控制方法 |
CN200910174753A CN101684856A (zh) | 2008-09-25 | 2009-09-17 | 无级变速器及其变速控制方法 |
KR20090090310A KR20100035116A (ko) | 2008-09-25 | 2009-09-24 | 무단 변속기 및 그 변속 제어 방법 |
KR1020130131021A KR20130141405A (ko) | 2008-09-25 | 2013-10-31 | 무단 변속기 및 그 변속 제어 방법 |
US14/078,218 US8944956B2 (en) | 2008-09-25 | 2013-11-12 | Continuously variable transmission and control method thereof |
KR1020150141337A KR20150122608A (ko) | 2008-09-25 | 2015-10-08 | 무단 변속기 및 그 변속 제어 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008245752A JP4660584B2 (ja) | 2008-09-25 | 2008-09-25 | 無段変速機及びその変速制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010078029A JP2010078029A (ja) | 2010-04-08 |
JP4660584B2 true JP4660584B2 (ja) | 2011-03-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008245752A Active JP4660584B2 (ja) | 2008-09-25 | 2008-09-25 | 無段変速機及びその変速制御方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US20100075799A1 (ja) |
EP (1) | EP2169278B1 (ja) |
JP (1) | JP4660584B2 (ja) |
KR (3) | KR20100035116A (ja) |
CN (3) | CN101684856A (ja) |
AT (1) | ATE495396T1 (ja) |
DE (1) | DE602009000567D1 (ja) |
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- 2009-09-17 CN CN201310454414.7A patent/CN103498895B/zh active Active
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Also Published As
Publication number | Publication date |
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US20140073469A1 (en) | 2014-03-13 |
CN101684856A (zh) | 2010-03-31 |
JP2010078029A (ja) | 2010-04-08 |
KR20150122608A (ko) | 2015-11-02 |
CN103557320A (zh) | 2014-02-05 |
US20100075799A1 (en) | 2010-03-25 |
CN103498895B (zh) | 2016-10-05 |
EP2169278B1 (en) | 2011-01-12 |
EP2169278A1 (en) | 2010-03-31 |
ATE495396T1 (de) | 2011-01-15 |
CN103498895A (zh) | 2014-01-08 |
KR20100035116A (ko) | 2010-04-02 |
KR20130141405A (ko) | 2013-12-26 |
CN103557320B (zh) | 2016-02-24 |
DE602009000567D1 (de) | 2011-02-24 |
US8944956B2 (en) | 2015-02-03 |
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