JPS563722A - Hydraulic circuit of hydraulic shovel - Google Patents

Hydraulic circuit of hydraulic shovel

Info

Publication number
JPS563722A
JPS563722A JP7821779A JP7821779A JPS563722A JP S563722 A JPS563722 A JP S563722A JP 7821779 A JP7821779 A JP 7821779A JP 7821779 A JP7821779 A JP 7821779A JP S563722 A JPS563722 A JP S563722A
Authority
JP
Japan
Prior art keywords
circuit
direction changing
changing valve
hydraulic
center bypass
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
JP7821779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6253656B2 (enrdf_load_html_response
Inventor
Toichi Hirata
Toshimichi Ikeda
Seiji Tamura
Kuniaki 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 JP7821779A priority Critical patent/JPS563722A/ja
Publication of JPS563722A publication Critical patent/JPS563722A/ja
Publication of JPS6253656B2 publication Critical patent/JPS6253656B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP7821779A 1979-06-22 1979-06-22 Hydraulic circuit of hydraulic shovel Granted JPS563722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7821779A JPS563722A (en) 1979-06-22 1979-06-22 Hydraulic circuit of hydraulic shovel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7821779A JPS563722A (en) 1979-06-22 1979-06-22 Hydraulic circuit of hydraulic shovel

Publications (2)

Publication Number Publication Date
JPS563722A true JPS563722A (en) 1981-01-16
JPS6253656B2 JPS6253656B2 (enrdf_load_html_response) 1987-11-11

Family

ID=13655871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7821779A Granted JPS563722A (en) 1979-06-22 1979-06-22 Hydraulic circuit of hydraulic shovel

Country Status (1)

Country Link
JP (1) JPS563722A (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6050262U (ja) * 1983-09-13 1985-04-09 イワフジ工業株式会社 自走掘削機の油圧回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53157286U (enrdf_load_html_response) * 1977-05-17 1978-12-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53157286U (enrdf_load_html_response) * 1977-05-17 1978-12-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6050262U (ja) * 1983-09-13 1985-04-09 イワフジ工業株式会社 自走掘削機の油圧回路

Also Published As

Publication number Publication date
JPS6253656B2 (enrdf_load_html_response) 1987-11-11

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