DE69512226T2 - Stufenloses hydrostatisches getriebe mit pulsbreitenmodulierter übersetzungsverhältnissteuerung - Google Patents
Stufenloses hydrostatisches getriebe mit pulsbreitenmodulierter übersetzungsverhältnissteuerungInfo
- Publication number
- DE69512226T2 DE69512226T2 DE69512226T DE69512226T DE69512226T2 DE 69512226 T2 DE69512226 T2 DE 69512226T2 DE 69512226 T DE69512226 T DE 69512226T DE 69512226 T DE69512226 T DE 69512226T DE 69512226 T2 DE69512226 T2 DE 69512226T2
- Authority
- DE
- Germany
- Prior art keywords
- swashplate
- pulse width
- angular position
- piston
- gear ratio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/423—Motor capacity control by fluid pressure control means
-
- 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
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/431—Pump capacity control by electro-hydraulic control means, e.g. using solenoid valves
-
- 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
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/433—Pump capacity control by fluid pressure control means
-
- 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
- F16H39/00—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
- F16H39/04—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit
- F16H39/06—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type
- F16H39/08—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders
- F16H39/10—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders with cylinders arranged around, and parallel or approximately parallel to the main axis of the gearing
- F16H2039/105—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders with cylinders arranged around, and parallel or approximately parallel to the main axis of the gearing at least one pair of motors or pumps sharing a common swash plate
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Fluid Gearings (AREA)
- Control Of Transmission Device (AREA)
- Radar Systems Or Details Thereof (AREA)
- Transmissions By Endless Flexible Members (AREA)
- Reciprocating Pumps (AREA)
- Transmitters (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/380,269 US5540048A (en) | 1995-01-30 | 1995-01-30 | Continuously variable hydrostatic transmission including a pulse width modulation ratio controller |
PCT/US1995/014034 WO1996023997A1 (en) | 1995-01-30 | 1995-10-31 | Continuously variable hydrostatic transmission including a pulse width modulation ratio controller |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69512226D1 DE69512226D1 (de) | 1999-10-21 |
DE69512226T2 true DE69512226T2 (de) | 2000-03-23 |
Family
ID=23500522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69512226T Expired - Fee Related DE69512226T2 (de) | 1995-01-30 | 1995-10-31 | Stufenloses hydrostatisches getriebe mit pulsbreitenmodulierter übersetzungsverhältnissteuerung |
Country Status (13)
Country | Link |
---|---|
US (1) | US5540048A (de) |
EP (1) | EP0753114B1 (de) |
JP (1) | JPH09511318A (de) |
KR (1) | KR970702452A (de) |
CN (1) | CN1145110A (de) |
AT (1) | ATE184688T1 (de) |
AU (1) | AU683784B2 (de) |
BR (1) | BR9507222A (de) |
CA (1) | CA2185992A1 (de) |
DE (1) | DE69512226T2 (de) |
PL (1) | PL316379A1 (de) |
TW (1) | TW320677B (de) |
WO (1) | WO1996023997A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5678405A (en) | 1995-04-07 | 1997-10-21 | Martin Marietta Corporation | Continuously variable hydrostatic transmission |
US5642617A (en) * | 1995-10-16 | 1997-07-01 | Martin Marietta Corporation | Continuously variable hydrostatic transmission with neutral-setting hydraulic circuit |
US5830097A (en) | 1996-05-24 | 1998-11-03 | General Dynamics Defense Systems, Inc. | Multi-range with infinitely variable ratio in each range, hydromechanical transmission for off-road vehicles |
US5931758A (en) | 1998-04-08 | 1999-08-03 | General Dynamics Land Systems, Inc. | Simplified multi-range hydromechanical transmission for vehicles |
US6382595B1 (en) * | 2000-07-26 | 2002-05-07 | Schlumberger Technology Corporation | Differential hydrostatic transmission system |
US6381529B1 (en) * | 2001-06-07 | 2002-04-30 | Deere & Company | Control system for hydrostatic transmission |
CN100386540C (zh) * | 2001-10-22 | 2008-05-07 | 洋马农机株式会社 | 油压式变速车辆 |
DE10233089A1 (de) * | 2002-07-19 | 2004-02-05 | Daimlerchrysler Ag | Getriebe mit stufenlos veränderbarer Übersetzung |
US7481738B2 (en) * | 2005-12-16 | 2009-01-27 | Chrysler Llc | Controlling a gear ratio in a continuously variable transmission |
PL206881B1 (pl) | 2007-08-07 | 2010-10-29 | Henryk Więckowski | Przekładnia hydrostatyczna bezstopniowa zębata |
US20090302145A1 (en) * | 2008-06-10 | 2009-12-10 | Xerox Corporation | Printing web system |
US20090321156A1 (en) * | 2008-06-25 | 2009-12-31 | Ford Global Technologies, Llc | Hybrid automotive powertrain system and method of operating same |
KR100942708B1 (ko) * | 2009-01-12 | 2010-02-16 | 국방과학연구소 | 유량조절 밸브 어셈블리 및 유량조절 시스템 |
DE102010028909A1 (de) * | 2010-05-12 | 2011-11-17 | Continental Teves Ag & Co. Ohg | Verfahren zur Lüftspieleinstellung einer hydraulischen Bremsanlage, insbesondere für ein Kraftfahrzeug |
CN102748453B (zh) * | 2012-07-17 | 2015-09-16 | 湖南长重机器股份有限公司 | 一种液压变速传动装置 |
CN103437971A (zh) * | 2013-09-05 | 2013-12-11 | 颜疆远 | 一种斜盘式轴向柱塞泵 |
CN103775322B (zh) * | 2014-01-24 | 2016-03-30 | 浙江大学 | 传感反馈可编程伺服变量液压泵 |
US10267391B2 (en) | 2016-06-16 | 2019-04-23 | GM Global Technology Operations LLC | Continuously variable transmission with wedge actuation mechanism |
US10941840B2 (en) | 2016-06-16 | 2021-03-09 | 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 |
US10473200B2 (en) | 2017-12-01 | 2019-11-12 | GM Global Technology Operations LLC | Continuously variable transmission with wedge actuation mechanism |
DE102021205295A1 (de) * | 2021-05-25 | 2022-12-01 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Steuerung eines hydrostatischen Antriebs |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1648000A (en) * | 1924-05-28 | 1927-11-08 | Lee Engineering Res Corp | Variable-speed transmission |
DE1038364B (de) * | 1951-09-19 | 1958-09-04 | Cambi Idraulici Badalini Spa | Stufenlos regelbares Fluessigkeitsgetriebe mit einer Mehrzylinder-Kolbenpumpe und einem dieser in einem geschlossenen Kreislauf nachgeschalteten mehrzylindrigen Kolbenmotor |
US2832198A (en) * | 1954-03-15 | 1958-04-29 | Pichon Gabriel Joseph Zephirin | Hydraulic rotary pump and motor transmission |
DE1162194B (de) * | 1956-05-29 | 1964-01-30 | Georg Wiggermann | Druckfluessigkeits-Axialkolbenmaschine |
US2946193A (en) * | 1958-01-08 | 1960-07-26 | Keelavite Co Ltd | Hydraulic motor systems |
US3175363A (en) * | 1961-04-20 | 1965-03-30 | Hans Molly | Hydraulic machine of axial piston type |
US3209911A (en) * | 1962-06-13 | 1965-10-05 | Speno International | Separating conveyor |
US3204411A (en) * | 1964-04-06 | 1965-09-07 | Ford Motor Co | Hydrostatic drive |
US3479924A (en) * | 1968-04-19 | 1969-11-25 | Stanley Works | Piston type operator with power checking |
US3561212A (en) * | 1969-01-27 | 1971-02-09 | Sundstrand Corp | Hydrostatic transmission |
DE2001578A1 (de) * | 1969-01-31 | 1970-08-13 | Janson Walter | Fluiddurchstroemtes Radialkammer-Aggregat |
US3602105A (en) * | 1969-07-09 | 1971-08-31 | Emmet G Slusher | Hydraulic apparatus |
US3601981A (en) * | 1969-11-03 | 1971-08-31 | Lucas Industries Ltd | Control systems for hydraulic transmission systems |
US3740954A (en) * | 1972-03-20 | 1973-06-26 | Motorola Inc | Variable speed hydraulic drive mechanism |
US3877224A (en) * | 1973-12-21 | 1975-04-15 | Caterpillar Tractor Co | Single pump hydrostatic transmission control and supply system |
MX152961A (es) * | 1979-07-26 | 1986-07-09 | Deere & Co | Mejoras a aparato de control de transmision hidrostatica |
US4450753A (en) * | 1980-05-12 | 1984-05-29 | Ford Motor Company | Electro-hydraulic proportional actuator |
US4493189A (en) * | 1981-12-04 | 1985-01-15 | Slater Harry F | Differential flow hydraulic transmission |
DE3201546C2 (de) * | 1982-01-20 | 1986-03-27 | Mannesmann Rexroth GmbH, 8770 Lohr | Vorrichtung zum Steuern eines Hydromotors |
US4495768A (en) * | 1982-03-12 | 1985-01-29 | Inventors Compendium International Corp. | Hydrostatic transmissions |
JPS61116107A (ja) * | 1984-11-09 | 1986-06-03 | Hitachi Ltd | アクチユエ−タの制御装置 |
US4901529A (en) * | 1986-07-23 | 1990-02-20 | Honda Giken Kogyo Kabushiki Kaisha | Hydraulically operated continuously variable transmission |
JPH0613915B2 (ja) * | 1987-11-16 | 1994-02-23 | 本田技研工業株式会社 | デューティ作動ソレノイドバルブの駆動方法 |
EP0322503A3 (de) * | 1987-12-29 | 1991-09-25 | Daihatsu Diesel Mfg. Co., Ltd. | Flüssigkeitsgerät |
KR100259405B1 (ko) * | 1991-01-14 | 2000-06-15 | 로렌스 알. 폴솜 | 유압기계 |
JP2846510B2 (ja) * | 1991-06-24 | 1999-01-13 | 本田技研工業株式会社 | 油圧サーボユニットの作動制御装置 |
-
1995
- 1995-01-30 US US08/380,269 patent/US5540048A/en not_active Expired - Fee Related
- 1995-10-20 TW TW084111119A patent/TW320677B/zh active
- 1995-10-31 CA CA002185992A patent/CA2185992A1/en not_active Abandoned
- 1995-10-31 EP EP95939649A patent/EP0753114B1/de not_active Expired - Lifetime
- 1995-10-31 JP JP8523500A patent/JPH09511318A/ja active Pending
- 1995-10-31 AU AU41382/96A patent/AU683784B2/en not_active Ceased
- 1995-10-31 PL PL95316379A patent/PL316379A1/xx unknown
- 1995-10-31 DE DE69512226T patent/DE69512226T2/de not_active Expired - Fee Related
- 1995-10-31 BR BR9507222A patent/BR9507222A/pt not_active Application Discontinuation
- 1995-10-31 WO PCT/US1995/014034 patent/WO1996023997A1/en active IP Right Grant
- 1995-10-31 AT AT95939649T patent/ATE184688T1/de not_active IP Right Cessation
- 1995-10-31 CN CN95192379A patent/CN1145110A/zh active Pending
- 1995-10-31 KR KR1019960705338A patent/KR970702452A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CN1145110A (zh) | 1997-03-12 |
CA2185992A1 (en) | 1996-08-08 |
EP0753114B1 (de) | 1999-09-15 |
ATE184688T1 (de) | 1999-10-15 |
EP0753114A1 (de) | 1997-01-15 |
KR970702452A (ko) | 1997-05-13 |
DE69512226D1 (de) | 1999-10-21 |
AU683784B2 (en) | 1997-11-20 |
WO1996023997A1 (en) | 1996-08-08 |
JPH09511318A (ja) | 1997-11-11 |
BR9507222A (pt) | 1997-09-09 |
US5540048A (en) | 1996-07-30 |
TW320677B (de) | 1997-11-21 |
AU4138296A (en) | 1996-08-21 |
PL316379A1 (en) | 1997-01-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |