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ES411597A1 - Apparatus for damping the pressure increase of hydrostatic drives - Google Patents

Apparatus for damping the pressure increase of hydrostatic drives

Info

Publication number
ES411597A1
ES411597A1 ES411597A ES411597A ES411597A1 ES 411597 A1 ES411597 A1 ES 411597A1 ES 411597 A ES411597 A ES 411597A ES 411597 A ES411597 A ES 411597A ES 411597 A1 ES411597 A1 ES 411597A1
Authority
ES
Spain
Prior art keywords
damping
pressure increase
oil
hydrostatic drives
infeed
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
Application number
ES411597A
Other languages
Spanish (es)
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.)
Putzmeister Interholding GmbH
Original Assignee
Putzmeister Interholding 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
Application filed by Putzmeister Interholding GmbH filed Critical Putzmeister Interholding GmbH
Publication of ES411597A1 publication Critical patent/ES411597A1/en
Expired 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
    • F16H61/42—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
    • 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
    • F04B49/002—Hydraulic systems to change the pump delivery
    • 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
    • F16H61/4183—Preventing or reducing vibrations or noise, e.g. avoiding cavitations
    • 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
    • F16H61/465—Automatic regulation in accordance with output requirements for achieving a target input speed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Transmission Device (AREA)

Abstract

An apparatus for damping the pressure increase of hydrostatic drives, especially axial piston pumps, with swash plate control and pre-biased oil circulation, wherein the pressurized oil compartment of an adjustment cylinder is connected with the lower pressure side of the oil infeed of the pump via a check or nonreturn valve which opens in the direction of the low pressure conduit of the oil infeed.
ES411597A 1972-02-22 1973-02-14 Apparatus for damping the pressure increase of hydrostatic drives Expired ES411597A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2208172A DE2208172C3 (en) 1972-02-22 1972-02-22 Device for damping the load-related pressure increase in hydrostatic drives

Publications (1)

Publication Number Publication Date
ES411597A1 true ES411597A1 (en) 1976-01-01

Family

ID=5836660

Family Applications (1)

Application Number Title Priority Date Filing Date
ES411597A Expired ES411597A1 (en) 1972-02-22 1973-02-14 Apparatus for damping the pressure increase of hydrostatic drives

Country Status (15)

Country Link
US (1) US3854847A (en)
JP (1) JPS589301B2 (en)
AR (1) AR198072A1 (en)
AU (1) AU5230473A (en)
BR (1) BR7301293D0 (en)
CA (1) CA983815A (en)
CH (1) CH561869A5 (en)
CS (1) CS170452B2 (en)
DE (1) DE2208172C3 (en)
ES (1) ES411597A1 (en)
FR (1) FR2173565A5 (en)
GB (1) GB1401374A (en)
IT (1) IT977429B (en)
SU (1) SU466678A3 (en)
ZA (1) ZA731047B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017219A (en) * 1975-12-22 1977-04-12 Abex Corporation Control system for variable displacement pumps
JPS5387401U (en) * 1976-12-20 1978-07-18
JPS605821B2 (en) * 1980-10-17 1985-02-14 日立建機株式会社 How to control a hydraulic drive
US4373865A (en) * 1981-02-10 1983-02-15 Tadeusz Budzich Reciprocating controls of a hydraulically driven piston gas compressor
US4527393A (en) * 1981-09-02 1985-07-09 General Signal Corporation Control device for a hydrostatic transmission
US4434616A (en) * 1981-10-23 1984-03-06 Fmc Corporation Hydraulic winch speed control with pressure-responsive override
DE3143539A1 (en) * 1981-11-03 1983-05-11 Linde Ag, 6200 Wiesbaden CONTROL DEVICE FOR A CONTINUOUSLY ADJUSTABLE, PREFERABLY HYDROSTATIC GEARBOX
US4483663A (en) * 1982-08-23 1984-11-20 Sundstrand Corporation Output speed droop compensating pump control
DE3340332C2 (en) * 1983-11-08 1988-11-10 Hydromatik GmbH, 7915 Elchingen Power control device for a hydrostatic drive with flow rate adjustment
DE3436960A1 (en) * 1984-10-09 1986-04-17 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München SERVICE BRAKE FOR A TRUCK OR OMNIBUS
US5205201A (en) * 1991-08-19 1993-04-27 Sauer, Inc. Displacement control valve
DE10219849B4 (en) 2002-05-03 2004-03-25 Brueninghaus Hydromatik Gmbh Hydraulic motor unit
CN103557197B (en) * 2013-11-21 2015-11-11 无锡市蓝力机床有限公司 Oil quick-returning-disccircuit circuit for oil cylinder of hydraulic machine
CN104728094B (en) * 2013-12-19 2016-06-08 北汽福田汽车股份有限公司 A kind of power transfer system and the concrete conveyer with described system
DE102014206460B3 (en) * 2014-04-03 2015-07-23 Danfoss Power Solutions Gmbh & Co. Ohg Switchable hydrostatic adjusting device and associated control piston
CN106640576B (en) * 2016-12-09 2019-01-15 柳州职业技术学院 A kind of unload-type independent variable radial plunger pump
CN109899333B (en) * 2019-03-29 2020-06-02 潍柴动力股份有限公司 Valve block, hydraulic control system and vehicle
CN112901339B (en) * 2021-01-15 2022-04-26 河北工业大学 Direct injection natural gas engine system based on ammonia pyrolysis device and control method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1590694A (en) * 1968-09-20 1970-04-20
US3543508A (en) * 1968-10-16 1970-12-01 Hyster Co Hydrostatic transmission with pressure control
US3660975A (en) * 1970-09-17 1972-05-09 Lucas Industries Ltd Hydrostatic transmission systems

Also Published As

Publication number Publication date
DE2208172C3 (en) 1974-07-11
AR198072A1 (en) 1974-05-31
US3854847A (en) 1974-12-17
BR7301293D0 (en) 1974-05-16
AU5230473A (en) 1974-08-22
DE2208172B2 (en) 1973-12-13
JPS48103961A (en) 1973-12-26
GB1401374A (en) 1975-07-16
CH561869A5 (en) 1975-05-15
IT977429B (en) 1974-09-10
ZA731047B (en) 1973-11-28
DE2208172A1 (en) 1973-09-06
CS170452B2 (en) 1976-08-27
JPS589301B2 (en) 1983-02-19
CA983815A (en) 1976-02-17
SU466678A3 (en) 1975-04-05
FR2173565A5 (en) 1973-10-05

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