FR2371614A1 - Reseau de transmission de puissance hydrostatique a compensation de charge - Google Patents

Reseau de transmission de puissance hydrostatique a compensation de charge

Info

Publication number
FR2371614A1
FR2371614A1 FR7734863A FR7734863A FR2371614A1 FR 2371614 A1 FR2371614 A1 FR 2371614A1 FR 7734863 A FR7734863 A FR 7734863A FR 7734863 A FR7734863 A FR 7734863A FR 2371614 A1 FR2371614 A1 FR 2371614A1
Authority
FR
France
Prior art keywords
circuit
power transmission
drive motor
hydraulic
load compensation
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.)
Withdrawn
Application number
FR7734863A
Other languages
English (en)
French (fr)
Inventor
Esko Kosonen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Repola Oy
Original Assignee
Rauma Repola Oy
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rauma Repola Oy filed Critical Rauma Repola Oy
Publication of FR2371614A1 publication Critical patent/FR2371614A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20576—Systems with pumps with multiple pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/275—Control of the prime mover, e.g. hydraulic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5157—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a return line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6052—Load sensing circuits having valve means between output member and the load sensing circuit using check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
FR7734863A 1976-11-19 1977-11-21 Reseau de transmission de puissance hydrostatique a compensation de charge Withdrawn FR2371614A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI763330A FI54018C (fi) 1976-11-19 1976-11-19 Belastningskompenserad hydrostatisk effekttransmissionsanordning

Publications (1)

Publication Number Publication Date
FR2371614A1 true FR2371614A1 (fr) 1978-06-16

Family

ID=8510430

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7734863A Withdrawn FR2371614A1 (fr) 1976-11-19 1977-11-21 Reseau de transmission de puissance hydrostatique a compensation de charge

Country Status (4)

Country Link
DE (1) DE2751663A1 (de)
FI (1) FI54018C (de)
FR (1) FR2371614A1 (de)
SE (1) SE415390B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4400935A (en) * 1980-01-28 1983-08-30 Sundstrand Corporation Engine speed control
US4864994A (en) * 1981-11-16 1989-09-12 Sundstrand Corporation Engine override controls
US4523431A (en) * 1984-02-16 1985-06-18 Caterpillar Tractor Co. Load responsive system
DE3620163A1 (de) * 1986-06-14 1987-12-17 Sauer Getriebe Ag Verfahren zur steuerung oder reglung eines hydrostatischen antriebs ueber die vorderraeder eines fahrzeugs mit mechanischem, hydrodynamischem oder hydrostatischem getriebe und verbrennungskolbenmotor als heckantrieb und anordnung zur durchfuehrung des verfahrens
US5038563A (en) * 1990-08-07 1991-08-13 The United States Of America As Represented By The Secretary Of The Navy Seawater power source for seawater powered tools
DE19646069A1 (de) * 1996-11-08 1998-05-14 Zahnradfabrik Friedrichshafen Verfahren zum Betrieb einer Antriebseinheit für Kraftfahrzeuge
FI20030115L (fi) * 2003-01-24 2004-07-25 Sandvik Tamrock Oy Hydraulijärjestelmä louhintalaitetta varten ja menetelmä kallioporakoneen tehon säätämiseksi

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166891A (en) * 1963-07-08 1965-01-26 New York Air Brake Co Hydrostatic transmission
FR2241007A1 (de) * 1973-08-13 1975-03-14 Bosch Gmbh Robert

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166891A (en) * 1963-07-08 1965-01-26 New York Air Brake Co Hydrostatic transmission
FR2241007A1 (de) * 1973-08-13 1975-03-14 Bosch Gmbh Robert

Also Published As

Publication number Publication date
SE7713038L (sv) 1978-05-20
DE2751663A1 (de) 1978-05-24
FI54018C (fi) 1978-09-11
FI54018B (fi) 1978-05-31
SE415390B (sv) 1980-09-29

Similar Documents

Publication Publication Date Title
SU1179940A3 (ru) Устройство регулировани давлени дл насоса переменной производительности
US3723025A (en) Variable bypass for fluid power transfer systems
US5108348A (en) Ratio control for a continuously variable transmission
US3863739A (en) Retarder control
US4502845A (en) Multistage gear pump and control valve arrangement
GB0113523D0 (en) An Hydraulic control circuit for a continuosly variable transmission
JPS589276B2 (ja) パイロット作動負荷補償可変容量ポンプ
US3959969A (en) Apparatus for regulating the pressure and rate of flow of fluid supplied by a variable-delivery pump
FR2371614A1 (fr) Reseau de transmission de puissance hydrostatique a compensation de charge
GB1400867A (en) Hydrostatic transmission systems
GB973018A (en) Improvements in hydraulic power transmissions and the control of hydraulic motors
US3951568A (en) Pump check valve control apparatus
JPH08261205A (ja) 油圧システムの制御装置
AU647842B2 (en) Device for the regulation of an automatic transmission unit
US4072443A (en) Control valve arrangements for variable stroke pumps
CN101273223B (zh) 用于操作无级变速装置的方法
EP0053444A2 (de) Steueranlage für eine fluidbetätigte Kupplung
US3987624A (en) Hydraulic drive control system
EP0404946A4 (en) Hydraulic circuit device of construction vehicle
US3679327A (en) Hydraulically regulated drive
GB928657A (en) Hydraulic transmission with low speed slip compensation
JPS6429681A (en) Hydraulic gain control circuit
JPS61215802A (ja) 液圧装置
GB2111250A (en) Apparatus for the control of pressure medium
US3858459A (en) Retarder control

Legal Events

Date Code Title Description
ST Notification of lapse