KR920000807U - Hydraulic circuit of automatic fuel saving device for excavator - Google Patents

Hydraulic circuit of automatic fuel saving device for excavator

Info

Publication number
KR920000807U
KR920000807U KR2019900009499U KR900009499U KR920000807U KR 920000807 U KR920000807 U KR 920000807U KR 2019900009499 U KR2019900009499 U KR 2019900009499U KR 900009499 U KR900009499 U KR 900009499U KR 920000807 U KR920000807 U KR 920000807U
Authority
KR
South Korea
Prior art keywords
excavator
hydraulic circuit
saving device
fuel saving
automatic fuel
Prior art date
Application number
KR2019900009499U
Other languages
Korean (ko)
Other versions
KR940000184Y1 (en
Inventor
양진섭
Original Assignee
현대중장비산업 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 현대중장비산업 주식회사 filed Critical 현대중장비산업 주식회사
Priority to KR2019900009499U priority Critical patent/KR940000184Y1/en
Publication of KR920000807U publication Critical patent/KR920000807U/en
Application granted granted Critical
Publication of KR940000184Y1 publication Critical patent/KR940000184Y1/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
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
KR2019900009499U 1990-06-30 1990-06-30 Oil-pressure control circuit of excavator KR940000184Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900009499U KR940000184Y1 (en) 1990-06-30 1990-06-30 Oil-pressure control circuit of excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900009499U KR940000184Y1 (en) 1990-06-30 1990-06-30 Oil-pressure control circuit of excavator

Publications (2)

Publication Number Publication Date
KR920000807U true KR920000807U (en) 1992-01-27
KR940000184Y1 KR940000184Y1 (en) 1994-01-19

Family

ID=19300523

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900009499U KR940000184Y1 (en) 1990-06-30 1990-06-30 Oil-pressure control circuit of excavator

Country Status (1)

Country Link
KR (1) KR940000184Y1 (en)

Also Published As

Publication number Publication date
KR940000184Y1 (en) 1994-01-19

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Legal Events

Date Code Title Description
A201 Request for examination
O032 Opposition [utility model]: request for opposition
N231 Notification of change of applicant
E601 Decision to refuse application
O061 Decision on refusal after opposition [utility model]: decision to refuse application