FR2292134A2 - Regulating unit for two coupled pumps - to overload and motor stalling with an electronic control system operated through a load measuring system - Google Patents

Regulating unit for two coupled pumps - to overload and motor stalling with an electronic control system operated through a load measuring system

Info

Publication number
FR2292134A2
FR2292134A2 FR7535352A FR7535352A FR2292134A2 FR 2292134 A2 FR2292134 A2 FR 2292134A2 FR 7535352 A FR7535352 A FR 7535352A FR 7535352 A FR7535352 A FR 7535352A FR 2292134 A2 FR2292134 A2 FR 2292134A2
Authority
FR
France
Prior art keywords
regulating unit
electronic control
load measuring
overload
pressure
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
Application number
FR7535352A
Other languages
French (fr)
Other versions
FR2292134B2 (en
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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
Priority claimed from DE2331617A external-priority patent/DE2331617A1/en
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2292134A2 publication Critical patent/FR2292134A2/en
Application granted granted Critical
Publication of FR2292134B2 publication Critical patent/FR2292134B2/fr
Granted legal-status Critical Current

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
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/47—Automatic regulation in accordance with output requirements for achieving a target output speed
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/06—Control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
    • F04B49/123—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element
    • F04B49/128—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element by changing the eccentricity of the cylinders, e.g. by moving a cylinder block
    • 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
    • F16H61/435—Pump capacity control by electric actuators
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/08—Cylinder or housing parameters
    • F04B2201/0805—Rotational speed of a rotating cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/12—Parameters of driving or driven means
    • F04B2201/1213—Eccentricity of an outer annular cam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2207/00—External parameters
    • F04B2207/04—Settings

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)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating Pumps (AREA)

Abstract

Regulating unit to limit the pressure and turning momentum of at least two coupled and adjustable pumps driven by a joint drive motor and to avoid overloading and stalling of the motor. The pump discharge pressure acts on the regulating unit in such a way that the volume conveyed by the pumps can be reduced. Each pump has its own pressure regulator each of which has a control piston with two active pressure surfaces and having a load measuring apparatus for the drive motor which provides a control impulse to the pressure regulator shortly before overload as in 23 316 17 with each pump adjusting link (14, 15) having a track indicator (18, 21) which transmits details of the position of the adjustment link to an electronic control apparatus (20) together with other relevant information which is then compared and acted upon.
FR7535352A 1973-06-22 1975-11-19 Regulating unit for two coupled pumps - to overload and motor stalling with an electronic control system operated through a load measuring system Granted FR2292134A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2331617A DE2331617A1 (en) 1973-06-22 1973-06-22 CONTROL DEVICE FOR HYDROPUMPS
DE19742454732 DE2454732A1 (en) 1973-06-22 1974-11-19 CONTROL DEVICE FOR HYDROPUMPS

Publications (2)

Publication Number Publication Date
FR2292134A2 true FR2292134A2 (en) 1976-06-18
FR2292134B2 FR2292134B2 (en) 1978-12-29

Family

ID=25765356

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7535352A Granted FR2292134A2 (en) 1973-06-22 1975-11-19 Regulating unit for two coupled pumps - to overload and motor stalling with an electronic control system operated through a load measuring system

Country Status (2)

Country Link
DE (1) DE2454732A1 (en)
FR (1) FR2292134A2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394696A1 (en) * 1977-06-18 1979-01-12 Bosch Gmbh Robert CONTROL DEVICE FOR HYDROSTATIC DISCHARGE UNITS
FR2605581A1 (en) * 1986-10-24 1988-04-29 Renk Ag ADJUSTMENT DEVICE, IN PARTICULAR FOR A GEAR CHANGE AND STEERING MECHANISM EQUIPPED WITH A TRACKED VEHICLE
WO1996032589A1 (en) * 1995-04-13 1996-10-17 Robert Bosch Gmbh Adjustable hydrostatic radial-piston motor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394696A1 (en) * 1977-06-18 1979-01-12 Bosch Gmbh Robert CONTROL DEVICE FOR HYDROSTATIC DISCHARGE UNITS
FR2605581A1 (en) * 1986-10-24 1988-04-29 Renk Ag ADJUSTMENT DEVICE, IN PARTICULAR FOR A GEAR CHANGE AND STEERING MECHANISM EQUIPPED WITH A TRACKED VEHICLE
WO1996032589A1 (en) * 1995-04-13 1996-10-17 Robert Bosch Gmbh Adjustable hydrostatic radial-piston motor
CN1079910C (en) * 1995-04-13 2002-02-27 罗伯特·博施有限公司 Adjustable hydrostatic radial-piston motor

Also Published As

Publication number Publication date
FR2292134B2 (en) 1978-12-29
DE2454732A1 (en) 1976-05-20

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