DE68909233T2 - Steuervorrichtung zur rückstellung eines lastkolbens. - Google Patents

Steuervorrichtung zur rückstellung eines lastkolbens.

Info

Publication number
DE68909233T2
DE68909233T2 DE89911151T DE68909233T DE68909233T2 DE 68909233 T2 DE68909233 T2 DE 68909233T2 DE 89911151 T DE89911151 T DE 89911151T DE 68909233 T DE68909233 T DE 68909233T DE 68909233 T2 DE68909233 T2 DE 68909233T2
Authority
DE
Germany
Prior art keywords
resetting
control device
load piston
piston
load
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 - Fee Related
Application number
DE89911151T
Other languages
English (en)
Other versions
DE68909233D1 (de
Inventor
Larry Lorimor
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of DE68909233D1 publication Critical patent/DE68909233D1/de
Application granted granted Critical
Publication of DE68909233T2 publication Critical patent/DE68909233T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D48/0206—Control by fluid pressure in a system with a plurality of fluid-actuated clutches
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0209—Control by fluid pressure characterised by fluid valves having control pistons, e.g. spools
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0224—Details of conduits, connectors or the adaptors therefor specially adapted for clutch control
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
    • F16D2048/0281—Complex circuits with more than two valves in series or special arrangements thereof not provided for in previous groups

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
DE89911151T 1989-03-21 1989-05-09 Steuervorrichtung zur rückstellung eines lastkolbens. Expired - Fee Related DE68909233T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/326,764 US4920861A (en) 1989-03-21 1989-03-21 Load piston reset control mechanism
PCT/US1989/001971 WO1990011460A1 (en) 1989-03-21 1989-05-09 Load piston reset control mechanism

Publications (2)

Publication Number Publication Date
DE68909233D1 DE68909233D1 (de) 1993-10-21
DE68909233T2 true DE68909233T2 (de) 1994-05-05

Family

ID=23273610

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89911151T Expired - Fee Related DE68909233T2 (de) 1989-03-21 1989-05-09 Steuervorrichtung zur rückstellung eines lastkolbens.

Country Status (5)

Country Link
US (1) US4920861A (de)
EP (1) EP0414826B1 (de)
JP (1) JP2653893B2 (de)
DE (1) DE68909233T2 (de)
WO (1) WO1990011460A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3810013A1 (de) * 1988-03-24 1989-10-12 Rexroth Mannesmann Gmbh Verfahren und vorrichtung zur druckbeaufschlagung von stellgliedern an schaltelementen eines fahrzeuggetriebes
US5241819A (en) * 1992-06-30 1993-09-07 Westinghouse Air Brake Company Tappet valve assembly for automatic railway vehicle couplers
US6047944A (en) * 1999-02-25 2000-04-11 Caterpillar Inc. Poppet with a flow increasing element for limiting movement thereof in a poppet valve

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3181394A (en) * 1962-03-19 1965-05-04 Caterpillar Tractor Co Hydraulic controls
US3389770A (en) * 1966-02-01 1968-06-25 Caterpillar Tractor Co Transmission hydraulic control
DE2230425C3 (de) * 1972-06-22 1978-06-22 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Drucksteuerung einer Doppelkupplung
US3991865A (en) * 1974-02-28 1976-11-16 Kabushiki Kaisha Komatsu Seisakusho Device for gradually increasing hydraulic pressure
US4132302A (en) * 1976-06-07 1979-01-02 International Harvester Company Transmission clutches with fully-resetting modulator-load-piston
US4583624A (en) * 1984-12-10 1986-04-22 Caterpillar Tractor Co. Fluid system with selective differential pressure control
US4620560A (en) * 1985-05-06 1986-11-04 Caterpillar Inc. Modulating relief valve with dual functioning load piston
US4676348A (en) * 1986-03-06 1987-06-30 Caterpillar Inc. Fluid pressure control system having a timed pressure cutback device
US4751866A (en) * 1986-10-03 1988-06-21 Caterpillar Inc. Ratio valve to control unloading of modulating relief valve

Also Published As

Publication number Publication date
EP0414826A1 (de) 1991-03-06
EP0414826A4 (en) 1991-08-28
DE68909233D1 (de) 1993-10-21
JP2653893B2 (ja) 1997-09-17
WO1990011460A1 (en) 1990-10-04
US4920861A (en) 1990-05-01
JPH03504758A (ja) 1991-10-17
EP0414826B1 (de) 1993-09-15

Similar Documents

Publication Publication Date Title
NO891944D0 (no) Anordning ved roer-haanteringssystem.
FR2651296B1 (fr) Commande de vanne.
DE69002507D1 (de) Elektromagnetisch betaetigte ventilsteuerungsvorrichtung.
NO903624D0 (no) Tranformasjonskodingsinnretning.
DE59001273D1 (de) Leiteinrichtung.
DE68918382T2 (de) Höheneinstellvorrichtung eines laders.
DE69004039T2 (de) Regelvorrichtung eines gebläses.
NO901095L (no) Reguleringsinnretning for et baandloep.
DE68917717D1 (de) Hydropneumatische Zylindervorrichtung.
DE69018314D1 (de) Druckregelvorrichtung.
DE59200136D1 (de) Einrichtung zur Hubbegrenzung eines Hydraulikzylinders.
DE68907604D1 (de) Blockierschutz-bremssteuervorrichtung.
DE59003214D1 (de) Abgasreinigungsvorrichtung.
DE68922090D1 (de) Proportionales Regelventil.
NO914200L (no) Reguleringsinnretning for en broenn
NO894860D0 (no) Anordning ved skisko.
DE68909233T2 (de) Steuervorrichtung zur rückstellung eines lastkolbens.
DE69020430T2 (de) Steueranordnung zur Aenderung eines Microbefehls.
NO166561C (no) Anordning ved trinnvis stillbar plog.
DK0394820T3 (da) Styreindretning for højt modtryk
DE59002684D1 (de) Pneumatische Steuereinrichtung.
NO891182D0 (no) Anordning ved vannsengbunn.
DE69000797D1 (de) Druckregelvorrichtung.
DE59008564D1 (de) System zum Auswerten von Markierungen.
ES1012786Y (es) Dispositivo suspensor de cargas.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee