JPS54126865A - Controller for stepless transmission - Google Patents
Controller for stepless transmissionInfo
- Publication number
- JPS54126865A JPS54126865A JP3576778A JP3576778A JPS54126865A JP S54126865 A JPS54126865 A JP S54126865A JP 3576778 A JP3576778 A JP 3576778A JP 3576778 A JP3576778 A JP 3576778A JP S54126865 A JPS54126865 A JP S54126865A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- line
- valve
- piston
- velocity 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.)
- Granted
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
- F16H61/66—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
-
- 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
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
-
- 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
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/101—Infinitely 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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/46—Automatic regulation in accordance with output requirements
-
- 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
- F16H61/46—Automatic regulation in accordance with output requirements
- F16H61/462—Automatic regulation in accordance with output requirements for achieving a target speed ratio
-
- 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
- F16H2061/6601—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 arrangements for dividing torque and shifting between different ranges
-
- 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
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
- F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19023—Plural power paths to and/or from gearing
- Y10T74/19037—One path includes fluid drive
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Control Of Transmission Device (AREA)
- Control Of Fluid Gearings (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53035767A JPS6053222B2 (ja) | 1978-03-27 | 1978-03-27 | 無段変速機の制御装置 |
US06/023,993 US4254672A (en) | 1978-03-27 | 1979-03-26 | Control system for a stepless variable speed transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53035767A JPS6053222B2 (ja) | 1978-03-27 | 1978-03-27 | 無段変速機の制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54126865A true JPS54126865A (en) | 1979-10-02 |
JPS6053222B2 JPS6053222B2 (ja) | 1985-11-25 |
Family
ID=12451005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53035767A Expired JPS6053222B2 (ja) | 1978-03-27 | 1978-03-27 | 無段変速機の制御装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4254672A (ja) |
JP (1) | JPS6053222B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4672863A (en) * | 1985-04-17 | 1987-06-16 | Toyota Jidosha Kabushiki Kaisha | Method and apparatus for controlling power transmission system in an automotive vehicle |
DE3740781C1 (de) * | 1987-12-02 | 1989-05-03 | Daimler Benz Ag | Anordnung zum selbsttaetigen Schalten eines Planetenraeder-Gangwechselgetriebes eines Kraftfahrzeuges |
WO1989012188A1 (en) * | 1988-05-31 | 1989-12-14 | Kabushiki Kaisha Komatsu Seisakusho | Mechanical-hydraulic transmission gear and method of controlling same |
JP2525386Y2 (ja) * | 1988-11-08 | 1997-02-12 | 株式会社 小松製作所 | 油圧駆動車両の可変容量油圧モータ制御装置 |
US6409628B1 (en) * | 2000-09-29 | 2002-06-25 | Caterpillar Inc. | Method and apparatus for preventing hunting between ranges in a continuously variable transmission |
SE534110C2 (sv) * | 2009-09-14 | 2011-05-03 | Scania Cv Ab | Metod för bestämning av växlingspunkter |
WO2014039069A1 (en) | 2012-09-04 | 2014-03-13 | Clark Equipment Company | Utility vehicle two speed drive motor control |
US9234576B2 (en) * | 2012-12-11 | 2016-01-12 | Hamilton Sundstrand Corporation | Integrated gearbox lube and control system |
US11859703B2 (en) * | 2020-09-29 | 2024-01-02 | Hitachi Construction Machinery Co., Ltd. | Power transmission device for vehicle |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3442153A (en) * | 1967-05-08 | 1969-05-06 | Sundstrand Corp | Hydrostatic transmission |
US4033203A (en) * | 1974-09-17 | 1977-07-05 | Aisin Seiki Kabushiki Kaisha | Hydraulic control system for vehicle transmission means |
US4043227A (en) * | 1975-08-23 | 1977-08-23 | Caterpillar Tractor Co. | Hydromechanical transmission |
US4170153A (en) * | 1976-04-15 | 1979-10-09 | Aisin Seiki Kabushiki Kaisha | Hydromechanical transmission |
US4091690A (en) * | 1976-09-28 | 1978-05-30 | Aisin Seiki Kabushiki Kaisha | Method for controlling continuously variable drive ratio transmissions and a system therefor |
-
1978
- 1978-03-27 JP JP53035767A patent/JPS6053222B2/ja not_active Expired
-
1979
- 1979-03-26 US US06/023,993 patent/US4254672A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4254672A (en) | 1981-03-10 |
JPS6053222B2 (ja) | 1985-11-25 |
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