KR900020404U - Adjusting flow rate of supply of hydraulic breaker using proportional valve - Google Patents

Adjusting flow rate of supply of hydraulic breaker using proportional valve

Info

Publication number
KR900020404U
KR900020404U KR2019890007471U KR890007471U KR900020404U KR 900020404 U KR900020404 U KR 900020404U KR 2019890007471 U KR2019890007471 U KR 2019890007471U KR 890007471 U KR890007471 U KR 890007471U KR 900020404 U KR900020404 U KR 900020404U
Authority
KR
South Korea
Prior art keywords
supply
flow rate
proportional valve
hydraulic breaker
adjusting flow
Prior art date
Application number
KR2019890007471U
Other languages
Korean (ko)
Other versions
KR920006037Y1 (en
Inventor
박안홍
Original Assignee
삼성중공업 주식회사
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 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to KR2019890007471U priority Critical patent/KR920006037Y1/en
Publication of KR900020404U publication Critical patent/KR900020404U/en
Application granted granted Critical
Publication of KR920006037Y1 publication Critical patent/KR920006037Y1/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
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
    • 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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • 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
    • 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
    • E02F9/2292—Systems with two or more pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
KR2019890007471U 1989-05-31 1989-05-31 Oil pressure adjustable device for breaker KR920006037Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890007471U KR920006037Y1 (en) 1989-05-31 1989-05-31 Oil pressure adjustable device for breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890007471U KR920006037Y1 (en) 1989-05-31 1989-05-31 Oil pressure adjustable device for breaker

Publications (2)

Publication Number Publication Date
KR900020404U true KR900020404U (en) 1990-12-13
KR920006037Y1 KR920006037Y1 (en) 1992-08-29

Family

ID=19286708

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890007471U KR920006037Y1 (en) 1989-05-31 1989-05-31 Oil pressure adjustable device for breaker

Country Status (1)

Country Link
KR (1) KR920006037Y1 (en)

Also Published As

Publication number Publication date
KR920006037Y1 (en) 1992-08-29

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Legal Events

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A201 Request for examination
E701 Decision to grant or registration of patent right
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