IN138717B - - Google Patents

Info

Publication number
IN138717B
IN138717B IN217/CAL/73A IN217CA1973A IN138717B IN 138717 B IN138717 B IN 138717B IN 217CA1973 A IN217CA1973 A IN 217CA1973A IN 138717 B IN138717 B IN 138717B
Authority
IN
India
Application number
IN217/CAL/73A
Other languages
English (en)
Inventor
D Bianchetta
K Lohbauer
Original Assignee
Caterpillar Tractor Co
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 Tractor Co filed Critical Caterpillar Tractor Co
Priority to IN1753/CAL/75A priority Critical patent/IN140606B/en
Publication of IN138717B publication Critical patent/IN138717B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2004—Control mechanisms, e.g. control levers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2285—Pilot-operated systems
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86606—Common to plural valve motor chambers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87177—With bypass
    • Y10T137/87185—Controlled by supply or exhaust valve
IN217/CAL/73A 1972-03-23 1973-01-30 IN138717B (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IN1753/CAL/75A IN140606B (ja) 1972-03-23 1975-09-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23725572A 1972-03-23 1972-03-23

Publications (1)

Publication Number Publication Date
IN138717B true IN138717B (ja) 1976-03-20

Family

ID=22892955

Family Applications (1)

Application Number Title Priority Date Filing Date
IN217/CAL/73A IN138717B (ja) 1972-03-23 1973-01-30

Country Status (10)

Country Link
US (1) US3771564A (ja)
JP (1) JPS5911794B2 (ja)
BE (1) BE796701A (ja)
BR (1) BR7302110D0 (ja)
CA (1) CA987570A (ja)
DE (1) DE2313300A1 (ja)
FR (1) FR2176939B1 (ja)
GB (1) GB1422273A (ja)
IN (1) IN138717B (ja)
IT (1) IT979935B (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995532A (en) * 1974-07-15 1976-12-07 Caterpillar Tractor Co. Proportional control valve with preconditioned inlet modulating relief valve
US4011892A (en) * 1975-03-14 1977-03-15 Marotta Scientific Controls, Inc. Three port non-interflow poppet valve
GB1510418A (en) * 1976-03-08 1978-05-10 Caterpillar Tractor Co Fluid control valve
US4133510A (en) * 1977-02-09 1979-01-09 Caterpillar Tractor Co. Valve spool positioner
US4199293A (en) * 1977-03-07 1980-04-22 Caterpillar Tractor Co. High pressure implement circuit for loader with slow and fast dump position
US4265273A (en) * 1978-12-07 1981-05-05 Caterpillar Tractor Co. High pressure implement circuit for loader with slow and fast dump position
US4238112A (en) * 1978-12-22 1980-12-09 Rexnord Inc. Spool spin prevention for hydraulic control valves
GB2112506A (en) * 1981-12-30 1983-07-20 Shell Int Research Distributing valve
DE3200476A1 (de) * 1982-01-09 1983-07-21 Flutec Fluidtechnische Geräte GmbH, 6603 Sulzbach "ventil zum wahlweisen verbinden eines verbrauchers mit einer druckmittelquelle oder einem vorratsbehaelter"
US4709724A (en) * 1986-01-17 1987-12-01 Commercial Shearing, Inc. Fluid valve structures
DE3737392A1 (de) * 1987-11-04 1989-05-24 Bosch Gmbh Robert Hydraulisches steuerventil
DE102004048683B4 (de) * 2004-10-06 2012-12-13 Bosch Rexroth Aktiengesellschaft Ventil
DE102007054137A1 (de) * 2007-11-14 2009-05-28 Hydac Filtertechnik Gmbh Hydraulische Ventilvorrichtung
US20160201296A1 (en) * 2016-03-24 2016-07-14 Caterpillar Inc. Hydraulic valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160174A (en) * 1961-03-28 1964-12-08 Parker Hannifin Corp Remote power shift circuits for spool valves and the like
US3447567A (en) * 1968-02-07 1969-06-03 Koehring Co Pilot governed control valve mechanism

Also Published As

Publication number Publication date
US3771564A (en) 1973-11-13
FR2176939B1 (ja) 1978-07-13
JPS4913726A (ja) 1974-02-06
DE2313300A1 (de) 1973-10-04
BR7302110D0 (pt) 1974-06-27
BE796701A (fr) 1973-09-13
FR2176939A1 (ja) 1973-11-02
GB1422273A (en) 1976-01-21
IT979935B (it) 1974-09-30
CA987570A (en) 1976-04-20
JPS5911794B2 (ja) 1984-03-17

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