JPS56501459A - - Google Patents
Info
- Publication number
- JPS56501459A JPS56501459A JP80500403A JP50040380A JPS56501459A JP S56501459 A JPS56501459 A JP S56501459A JP 80500403 A JP80500403 A JP 80500403A JP 50040380 A JP50040380 A JP 50040380A JP S56501459 A JPS56501459 A JP S56501459A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
- F16H61/444—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation by changing the number of pump or motor units in operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
- B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
- B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
- B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
- B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
- B62D11/183—Control systems therefor
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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
- F16H61/4035—Control of circuit flow
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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
- F16H61/46—Automatic regulation in accordance with output requirements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Fluid Gearings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1979/000928 WO1981001311A1 (en) | 1979-11-01 | 1979-11-01 | Fluid motor control system providing speed change by combination of displacement and flow control |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56501459A true JPS56501459A (ja) | 1981-10-08 |
Family
ID=22147760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP80500403A Pending JPS56501459A (ja) | 1979-11-01 | 1979-11-01 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0028448A3 (ja) |
JP (1) | JPS56501459A (ja) |
CA (1) | CA1140834A (ja) |
WO (1) | WO1981001311A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6211211Y2 (ja) * | 1980-09-29 | 1987-03-17 | ||
FR2562964B1 (fr) * | 1983-12-22 | 1988-04-08 | Komatsu Mfg Co Ltd | Dispositif de commande hydraulique pour un vehicule pourvu d'une superstructure pivotante |
EP2905480B1 (en) | 2014-02-07 | 2016-10-19 | Caterpillar Global Mining LLC | Hydraulic control system and method |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH351177A (de) * | 1957-01-07 | 1960-12-31 | Von Roll Ag | Hydraulische Steuerung an hydrostatischem Getriebe, insbesondere für Raupen- oder Räderfahrzeug |
GB902185A (en) * | 1961-03-08 | 1962-07-25 | Robert Colin Pearson | Improvements in and relating to hydrostatic transmission for self-propelled vehicles |
GB941736A (en) * | 1961-06-14 | 1963-11-13 | Robert Colin Pearson | Improvements in or relating to hydrostatic transmissions |
DE1580504B1 (de) * | 1966-07-05 | 1970-05-21 | Orenstein & Koppel Ag | Hydrostatischer Antrieb fuer ein Gleiskettenfahrzeug |
GB1272971A (en) * | 1969-03-13 | 1972-05-03 | Nat Res Dev | Hdyrostatic vehicle transmission |
US3606049A (en) * | 1969-11-12 | 1971-09-20 | Harnischfeger Corp | Horsepower limiting hydraulic control circuit |
DE2052303A1 (de) * | 1970-10-24 | 1972-04-27 | Rheinstahl Aktiengesellschaft Hanomag Baumaschinen, 3000 Hannover-Linden | Hydraulikanlage für Planiermaschinen, Lademaschinen, Bagger und dergl |
DE2138986C3 (de) * | 1971-08-04 | 1978-09-07 | G.L. Rexroth Gmbh, 8770 Lohr | Steuerventileinrichtung für mehrere hydraulische Antriebe |
US4030623A (en) * | 1971-12-13 | 1977-06-21 | Caterpillar Tractor Co. | Hydraulic circuitry for an excavator |
US3922855A (en) * | 1971-12-13 | 1975-12-02 | Caterpillar Tractor Co | Hydraulic circuitry for an excavator |
US3988893A (en) * | 1972-04-28 | 1976-11-02 | Eaton Corporation | Hydrostatic transmission drive system |
JPS5220088Y2 (ja) * | 1972-07-15 | 1977-05-10 | ||
US3914938A (en) * | 1974-08-20 | 1975-10-28 | Eaton Corp | Electrical hydrostatic transmission control system |
US4011920A (en) * | 1975-08-25 | 1977-03-15 | Caterpillar Tractor Co. | Synchronized vehicle fluid drive system |
US4040254A (en) * | 1976-03-25 | 1977-08-09 | Eaton Corporation | Hydrostatic transmission with automatic displacement shifter |
US4024710A (en) * | 1976-03-25 | 1977-05-24 | Koehring Company | Load sensing hydraulic circuit having power matching means |
US4023364A (en) * | 1976-07-19 | 1977-05-17 | Caterpillar Tractor Co. | Swing flow supplemental travel for an excavator |
US4078681A (en) * | 1976-08-24 | 1978-03-14 | Caterpillar Tractor Co. | Dual pump hydraulic control system with predetermined flow crossover provision |
US4072009A (en) * | 1976-10-21 | 1978-02-07 | Institutul De Cercetari Si Proiectari Pentru Utilaje De Constructii De Drumuri(I.C.P.U.C.) Braila | Pressure system for driving the wheels of a vehicle |
US4112821A (en) * | 1976-12-03 | 1978-09-12 | Caterpillar Tractor Co. | Fluid control system for multiple circuited work elements |
US4073141A (en) * | 1977-03-17 | 1978-02-14 | Caterpillar Tractor Co. | Fluid control system with priority flow |
US4087968A (en) * | 1977-04-28 | 1978-05-09 | Caterpillar Tractor Co. | Flow control valve for combining two dissimilar independent systems to a common pressure source |
US4140196A (en) * | 1977-06-07 | 1979-02-20 | Parno Corporation | Auxiliary drive system |
US4096694A (en) * | 1977-07-05 | 1978-06-27 | Caterpillar Tractor Co. | Control system for a fluid drive |
-
1979
- 1979-11-01 WO PCT/US1979/000928 patent/WO1981001311A1/en unknown
- 1979-11-01 JP JP80500403A patent/JPS56501459A/ja active Pending
-
1980
- 1980-08-29 EP EP80303021A patent/EP0028448A3/en not_active Ceased
- 1980-09-23 CA CA000360870A patent/CA1140834A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0028448A2 (en) | 1981-05-13 |
WO1981001311A1 (en) | 1981-05-14 |
CA1140834A (en) | 1983-02-08 |
EP0028448A3 (en) | 1982-03-31 |