ZA742081B - Multi-functional self compensating fluid control valve assembly - Google Patents

Multi-functional self compensating fluid control valve assembly

Info

Publication number
ZA742081B
ZA742081B ZA00742081A ZA742081A ZA742081B ZA 742081 B ZA742081 B ZA 742081B ZA 00742081 A ZA00742081 A ZA 00742081A ZA 742081 A ZA742081 A ZA 742081A ZA 742081 B ZA742081 B ZA 742081B
Authority
ZA
South Africa
Prior art keywords
control valve
valve assembly
fluid control
functional self
compensating fluid
Prior art date
Application number
ZA00742081A
Inventor
J Garaty
Original Assignee
Australian Iron And Steel Ltd
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 Australian Iron And Steel Ltd filed Critical Australian Iron And Steel Ltd
Publication of ZA742081B publication Critical patent/ZA742081B/en

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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F15B11/15—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor with special provision for automatic return
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • B25D9/265—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof with arrangements for automatic stopping when the tool is lifted from the working face or suffers excessive bore resistance
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
ZA00742081A 1973-04-12 1974-04-02 Multi-functional self compensating fluid control valve assembly ZA742081B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPB297673 1973-04-12

Publications (1)

Publication Number Publication Date
ZA742081B true ZA742081B (en) 1975-03-26

Family

ID=3765670

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00742081A ZA742081B (en) 1973-04-12 1974-04-02 Multi-functional self compensating fluid control valve assembly

Country Status (4)

Country Link
DE (1) DE2417161A1 (en)
FR (1) FR2225640B1 (en)
GB (3) GB1468186A (en)
ZA (1) ZA742081B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425293A1 (en) * 1978-05-10 1979-12-07 Hydraulique B G Double acting hydraulic jack control for drilling machine - has spool valve operating in three pressure stages, and non-return pilot valve controlling flow from piston rod chamber
US4523886A (en) * 1982-01-13 1985-06-18 Towmotor Corporation Container handler with programmed electro-hydraulic control circuit
DE3203465A1 (en) * 1982-02-03 1983-08-11 Klöckner-Humboldt-Deutz AG, 5000 Köln PRINTING MEDIUM CIRCUIT, IN PARTICULAR FOR A MOWING MACHINE
FR2522626A1 (en) * 1982-03-02 1983-09-09 Morillon Ets SCREW EXTRACTOR STARTING ASSISTANCE DEVICE PROVIDING STORAGE CELLS FOR PULVERULENT OR GRANULAR PRODUCTS
US4664017A (en) * 1984-03-19 1987-05-12 General Signal Corporation Hydraulic control system and valve
EP0221852A3 (en) * 1985-11-07 1988-11-23 Fritz Haug AG Device for working relatively hard building materials
FR2714743B1 (en) * 1993-12-31 1996-02-23 Jeantil Sa Hydraulic regulation device for the rotation of two drive shafts, in particular a movable bottom and a untangling device of a silage unloader or the like.
CN102022394B (en) * 2010-12-31 2013-04-17 济南液压泵有限责任公司 Integral manual multi-way reversing valve
CN108086906B (en) * 2018-01-29 2023-06-16 秦皇岛迪峰凿岩设备有限公司 Device and method for gradually pressurizing full-hydraulic rock drilling trolley
CN110259747B (en) * 2019-06-20 2024-02-13 苏州跃翔智能科技有限公司 Multistage control valve
CN116624459B (en) * 2023-07-19 2023-10-20 山河智能装备股份有限公司 Self-adaptive pressurizing hydraulic system and construction equipment

Also Published As

Publication number Publication date
GB1468184A (en) 1977-03-23
DE2417161A1 (en) 1974-10-31
FR2225640B1 (en) 1977-10-14
FR2225640A1 (en) 1974-11-08
GB1468185A (en) 1977-03-23
GB1468186A (en) 1977-03-23

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