JPS5263575A - Hydraulic circuit and directional control valve - Google Patents

Hydraulic circuit and directional control valve

Info

Publication number
JPS5263575A
JPS5263575A JP13761575A JP13761575A JPS5263575A JP S5263575 A JPS5263575 A JP S5263575A JP 13761575 A JP13761575 A JP 13761575A JP 13761575 A JP13761575 A JP 13761575A JP S5263575 A JPS5263575 A JP S5263575A
Authority
JP
Japan
Prior art keywords
control valve
hydraulic circuit
directional control
cylinder
achievement
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.)
Granted
Application number
JP13761575A
Other languages
Japanese (ja)
Other versions
JPS5538523B2 (en
Inventor
Kunihiko Yoshida
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP13761575A priority Critical patent/JPS5263575A/en
Publication of JPS5263575A publication Critical patent/JPS5263575A/en
Publication of JPS5538523B2 publication Critical patent/JPS5538523B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Multiple-Way Valves (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

PURPOSE: Achievement of minimal capacity and horsepower loss of a feed pump by installing a flow increase equipment along a tubing on the rod side of a cylinder when an actuator is a one-sided rod cylinder at a closed circuit fed by a piston pump as a hydraulic power source.
COPYRIGHT: (C)1977,JPO&Japio
JP13761575A 1975-11-15 1975-11-15 Hydraulic circuit and directional control valve Granted JPS5263575A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13761575A JPS5263575A (en) 1975-11-15 1975-11-15 Hydraulic circuit and directional control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13761575A JPS5263575A (en) 1975-11-15 1975-11-15 Hydraulic circuit and directional control valve

Publications (2)

Publication Number Publication Date
JPS5263575A true JPS5263575A (en) 1977-05-26
JPS5538523B2 JPS5538523B2 (en) 1980-10-04

Family

ID=15202807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13761575A Granted JPS5263575A (en) 1975-11-15 1975-11-15 Hydraulic circuit and directional control valve

Country Status (1)

Country Link
JP (1) JPS5263575A (en)

Also Published As

Publication number Publication date
JPS5538523B2 (en) 1980-10-04

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