JPS54153974A - Oil pressure circuit for controlling plurality of oil pressure apparatus - Google Patents

Oil pressure circuit for controlling plurality of oil pressure apparatus

Info

Publication number
JPS54153974A
JPS54153974A JP6168678A JP6168678A JPS54153974A JP S54153974 A JPS54153974 A JP S54153974A JP 6168678 A JP6168678 A JP 6168678A JP 6168678 A JP6168678 A JP 6168678A JP S54153974 A JPS54153974 A JP S54153974A
Authority
JP
Japan
Prior art keywords
pumps
oil pressure
oil discharged
operating
capacity
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.)
Pending
Application number
JP6168678A
Other languages
Japanese (ja)
Inventor
Yoshito Sato
Tadashi Yoda
Kazuhiro Yoshida
Yukio Moriya
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
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP6168678A priority Critical patent/JPS54153974A/en
Publication of JPS54153974A publication Critical patent/JPS54153974A/en
Pending legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

PURPOSE: To operate actuators with much capacity by using pumps with little capacity, by driving a plurality of pumps by means of a plurality of engines, and by selectively feeding oil discharged from each pump to each actuator.
CONSTITUTION: When operating operating valves 61, 62, compressed oil discharged from first and third pumps P1, P3 is supplied to a right travelling motor 15R; when operating operating valves 71, 72, compressed oil discharged from second and third pumps P2, P3 is fed to a cylinder 16 for a boom. Thus, actuators with much capacity are worked by using pumps with little capacity and operating valves for little capacity and each actuator is operated even when one side engine stops because compressed oil discharged from at least two pumps is fed to one actuator through at least two operating valves.
COPYRIGHT: (C)1979,JPO&Japio
JP6168678A 1978-05-25 1978-05-25 Oil pressure circuit for controlling plurality of oil pressure apparatus Pending JPS54153974A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6168678A JPS54153974A (en) 1978-05-25 1978-05-25 Oil pressure circuit for controlling plurality of oil pressure apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6168678A JPS54153974A (en) 1978-05-25 1978-05-25 Oil pressure circuit for controlling plurality of oil pressure apparatus

Publications (1)

Publication Number Publication Date
JPS54153974A true JPS54153974A (en) 1979-12-04

Family

ID=13178385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6168678A Pending JPS54153974A (en) 1978-05-25 1978-05-25 Oil pressure circuit for controlling plurality of oil pressure apparatus

Country Status (1)

Country Link
JP (1) JPS54153974A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0289031U (en) * 1988-12-23 1990-07-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0289031U (en) * 1988-12-23 1990-07-13

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