JPS5377974A - Oil pressure controlling valve - Google Patents

Oil pressure controlling valve

Info

Publication number
JPS5377974A
JPS5377974A JP15349576A JP15349576A JPS5377974A JP S5377974 A JPS5377974 A JP S5377974A JP 15349576 A JP15349576 A JP 15349576A JP 15349576 A JP15349576 A JP 15349576A JP S5377974 A JPS5377974 A JP S5377974A
Authority
JP
Japan
Prior art keywords
oil pressure
controlling valve
pressure controlling
spool
actuated
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
JP15349576A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5612723B2 (enrdf_load_html_response
Inventor
Yoshizumi Nishimura
Kunihiko Yoshida
Kenichi Koshi
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 JP15349576A priority Critical patent/JPS5377974A/ja
Publication of JPS5377974A publication Critical patent/JPS5377974A/ja
Publication of JPS5612723B2 publication Critical patent/JPS5612723B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
JP15349576A 1976-12-22 1976-12-22 Oil pressure controlling valve Granted JPS5377974A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15349576A JPS5377974A (en) 1976-12-22 1976-12-22 Oil pressure controlling valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15349576A JPS5377974A (en) 1976-12-22 1976-12-22 Oil pressure controlling valve

Publications (2)

Publication Number Publication Date
JPS5377974A true JPS5377974A (en) 1978-07-10
JPS5612723B2 JPS5612723B2 (enrdf_load_html_response) 1981-03-24

Family

ID=15563797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15349576A Granted JPS5377974A (en) 1976-12-22 1976-12-22 Oil pressure controlling valve

Country Status (1)

Country Link
JP (1) JPS5377974A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS5612723B2 (enrdf_load_html_response) 1981-03-24

Similar Documents

Publication Publication Date Title
JPS5213083A (en) Fuel safe-servo control valve
JPS5364121A (en) Control valves for exhaust reflux devices
JPS52107470A (en) Pressure controller of mission
JPS5377974A (en) Oil pressure controlling valve
JPS5330060A (en) Flow rate control valve for refrigerator
JPS53139011A (en) Valve mechanism of internal combustion engine
JPS53136235A (en) Device for controlling steering of moving agricultural machine
JPS53137403A (en) Controller for variable-discharge hydraulic pump
JPS5356479A (en) Fluid control device
JPS52103006A (en) Hydraulic system of piston pump for pressure feeding of liquid
JPS52153076A (en) Hydraulic brake device for tractors
JPS543682A (en) Operation control valve of agaicultural machinery
JPS5390582A (en) Flow controller
JPS53140479A (en) Hydraulic pressure controller
JPS5676780A (en) Flow control valve with check valve
JPS52144574A (en) Electro magnet proportional control valve
JPS5399105A (en) Dual system changing over method for control of a turbine
JPS5324977A (en) Cylinder control means
JPS5386973A (en) Pressure control valve device in spring brake pressure control system
JPS5263575A (en) Hydraulic circuit and directional control valve
JPS5297073A (en) Speed controller in oil pressure transmitter
JPS549390A (en) Oil pressure controller
JPS52148786A (en) Multispeed control circuit
JPS5420533A (en) Device for controlling operation of powr steering system
JPS52121179A (en) Hydraulic operation system with altitude compensation device