GB2313629B - Directional control valve - Google Patents

Directional control valve

Info

Publication number
GB2313629B
GB2313629B GB9718500A GB9718500A GB2313629B GB 2313629 B GB2313629 B GB 2313629B GB 9718500 A GB9718500 A GB 9718500A GB 9718500 A GB9718500 A GB 9718500A GB 2313629 B GB2313629 B GB 2313629B
Authority
GB
United Kingdom
Prior art keywords
control valve
directional control
directional
valve
control
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9718500A
Other versions
GB2313629A (en
GB9718500D0 (en
Inventor
Toshiro Takano
Yoichi Netsu
Mitsumasa Akashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu 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
Priority claimed from JP24112093A external-priority patent/JP3444506B2/en
Priority claimed from JP24128293A external-priority patent/JP3444507B2/en
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Priority claimed from GB9606348A external-priority patent/GB2300027B/en
Publication of GB9718500D0 publication Critical patent/GB9718500D0/en
Publication of GB2313629A publication Critical patent/GB2313629A/en
Application granted granted Critical
Publication of GB2313629B publication Critical patent/GB2313629B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • E02F9/2296—Systems with a variable displacement pump

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)
GB9718500A 1993-09-28 1994-09-28 Directional control valve Expired - Fee Related GB2313629B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP24112093A JP3444506B2 (en) 1993-09-28 1993-09-28 Pressure oil supply device
JP24128293A JP3444507B2 (en) 1993-09-28 1993-09-28 Directional control valve
GB9606348A GB2300027B (en) 1993-09-28 1994-09-28 Pressurized fluid feed system

Publications (3)

Publication Number Publication Date
GB9718500D0 GB9718500D0 (en) 1997-11-05
GB2313629A GB2313629A (en) 1997-12-03
GB2313629B true GB2313629B (en) 1998-01-21

Family

ID=27268203

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9718500A Expired - Fee Related GB2313629B (en) 1993-09-28 1994-09-28 Directional control valve

Country Status (1)

Country Link
GB (1) GB2313629B (en)

Also Published As

Publication number Publication date
GB2313629A (en) 1997-12-03
GB9718500D0 (en) 1997-11-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980928