JPH0139482B2 - - Google Patents

Info

Publication number
JPH0139482B2
JPH0139482B2 JP56500969A JP50096981A JPH0139482B2 JP H0139482 B2 JPH0139482 B2 JP H0139482B2 JP 56500969 A JP56500969 A JP 56500969A JP 50096981 A JP50096981 A JP 50096981A JP H0139482 B2 JPH0139482 B2 JP H0139482B2
Authority
JP
Japan
Prior art keywords
valve
fluid
spool
recess
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.)
Expired
Application number
JP56500969A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57500842A (en]
Inventor
Kaato Bii Meroshiku
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 JPS57500842A publication Critical patent/JPS57500842A/ja
Publication of JPH0139482B2 publication Critical patent/JPH0139482B2/ja
Expired 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Multiple-Way Valves (AREA)
  • Servomotors (AREA)
  • Safety Valves (AREA)
JP56500969A 1980-06-16 1980-06-16 Expired JPH0139482B2 (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1980/000765 WO1981003686A1 (en) 1980-06-16 1980-06-16 Pressure reducing valve with floating stem for make-up vent

Publications (2)

Publication Number Publication Date
JPS57500842A JPS57500842A (en]) 1982-05-13
JPH0139482B2 true JPH0139482B2 (en]) 1989-08-22

Family

ID=22154399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56500969A Expired JPH0139482B2 (en]) 1980-06-16 1980-06-16

Country Status (9)

Country Link
EP (1) EP0056024B1 (en])
JP (1) JPH0139482B2 (en])
BE (1) BE888847A (en])
BR (1) BR8009084A (en])
DE (1) DE3070995D1 (en])
IT (1) IT1189018B (en])
MX (1) MX155968A (en])
SG (1) SG17287G (en])
WO (1) WO1981003686A1 (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3333745A1 (de) * 1983-09-17 1985-04-04 P.A. Rentrop Hubbert & Wagner Fahrzeugausstattungen GmbH & Co KG, 3060 Stadthagen Druckmittel-verteiler
FR2793532B1 (fr) * 1999-05-12 2001-08-03 Mannesmann Rexroth Sa Dispositif distributeur de fluide notamment pour telecommande hydraulique
WO2014121081A1 (en) 2013-01-31 2014-08-07 Parker-Hannifin Corporation Pressure limited flow priority boost
CN117249130B (zh) * 2023-08-29 2024-11-12 湖南凯恩利液压机械制造有限公司 一种先导阀体总成及液压机械

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1939293A1 (de) * 1969-08-01 1971-02-11 Kracht Pumpen Motoren Druckregler
DE2148502B2 (de) * 1971-09-29 1978-11-02 G.L. Rexroth Gmbh, 8770 Lohr Ein- oder mehrkreisiges Hydrauliksystem
DE2152133B1 (de) * 1971-10-20 1973-02-22 Rexroth Gmbh G L Hydraulisch betaetigtes steuerventil
FR2236101A1 (en) * 1973-07-05 1975-01-31 Sigma Diesel Hydraulic actuator arm - spring system and valve ports gives balance and sense of feel to operator
US3840049A (en) * 1973-08-08 1974-10-08 Caterpillar Tractor Co Compact fluid motor control system with float position
US3987703A (en) * 1974-08-12 1976-10-26 Caterpillar Tractor Co. Combined restrictor and dead engine lowering valve
SE397390B (sv) * 1974-11-07 1977-10-31 Nordhydraulic Ab Anordning for hydraulisk styrning av centrerad flerleges riktningsventil
FR2376978A1 (fr) * 1977-01-06 1978-08-04 Rexroth Sigma Perfectionnements aux dispositifs distributeurs de fluide, notamment pour telecommande hydraulique

Also Published As

Publication number Publication date
SG17287G (en) 1987-07-24
EP0056024A4 (en) 1983-10-06
IT8122087A1 (it) 1982-12-02
WO1981003686A1 (en) 1981-12-24
BE888847A (nl) 1981-11-19
JPS57500842A (en]) 1982-05-13
EP0056024A1 (en) 1982-07-21
BR8009084A (pt) 1982-04-27
EP0056024B1 (en) 1985-08-14
DE3070995D1 (en) 1985-09-19
IT1189018B (it) 1988-01-28
MX155968A (es) 1988-06-03
IT8122087A0 (it) 1981-06-02

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