KR860004896U - 굴삭기의 유압장치 - Google Patents

굴삭기의 유압장치

Info

Publication number
KR860004896U
KR860004896U KR2019840010922U KR840010922U KR860004896U KR 860004896 U KR860004896 U KR 860004896U KR 2019840010922 U KR2019840010922 U KR 2019840010922U KR 840010922 U KR840010922 U KR 840010922U KR 860004896 U KR860004896 U KR 860004896U
Authority
KR
South Korea
Prior art keywords
excavator
hydraulic system
hydraulic
Prior art date
Application number
KR2019840010922U
Other languages
English (en)
Other versions
KR880001020Y1 (ko
Inventor
김상규
Original Assignee
대우중공업 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 대우중공업 주식회사 filed Critical 대우중공업 주식회사
Priority to KR2019840010922U priority Critical patent/KR880001020Y1/ko
Publication of KR860004896U publication Critical patent/KR860004896U/ko
Application granted granted Critical
Publication of KR880001020Y1 publication Critical patent/KR880001020Y1/ko

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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • 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
    • 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
    • E02F9/2282—Systems using center bypass type changeover valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
KR2019840010922U 1984-10-31 1984-10-31 굴삭기의 유압장치 KR880001020Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019840010922U KR880001020Y1 (ko) 1984-10-31 1984-10-31 굴삭기의 유압장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019840010922U KR880001020Y1 (ko) 1984-10-31 1984-10-31 굴삭기의 유압장치

Publications (2)

Publication Number Publication Date
KR860004896U true KR860004896U (ko) 1986-05-08
KR880001020Y1 KR880001020Y1 (ko) 1988-03-17

Family

ID=19237847

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019840010922U KR880001020Y1 (ko) 1984-10-31 1984-10-31 굴삭기의 유압장치

Country Status (1)

Country Link
KR (1) KR880001020Y1 (ko)

Also Published As

Publication number Publication date
KR880001020Y1 (ko) 1988-03-17

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Legal Events

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E902 Notification of reason for refusal
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Payment date: 19970117

Year of fee payment: 12

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