JP2000120616A5 - - Google Patents

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Publication number
JP2000120616A5
JP2000120616A5 JP1998296763A JP29676398A JP2000120616A5 JP 2000120616 A5 JP2000120616 A5 JP 2000120616A5 JP 1998296763 A JP1998296763 A JP 1998296763A JP 29676398 A JP29676398 A JP 29676398A JP 2000120616 A5 JP2000120616 A5 JP 2000120616A5
Authority
JP
Japan
Prior art keywords
valve
control valve
working fluid
parallel
flow
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
JP1998296763A
Other languages
Japanese (ja)
Other versions
JP2000120616A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP10296763A priority Critical patent/JP2000120616A/en
Priority claimed from JP10296763A external-priority patent/JP2000120616A/en
Publication of JP2000120616A publication Critical patent/JP2000120616A/en
Publication of JP2000120616A5 publication Critical patent/JP2000120616A5/ja
Pending legal-status Critical Current

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Description

また、請求項２に記載の発明では、請求項１に記載の液圧回路の構成に加えて、方向切換弁の一方のパイロットポートから遠隔操作弁への作動流体の流通を許容し得る逆止弁を、所定の電磁弁に並列に設けている。 Further, in the invention according to claim 2, in addition to the configuration of the hydraulic circuit according to claim 1, a non-return valve capable of allowing the flow of working fluid from one pilot port of the direction switching valve to the remote control valve. A valve is provided in parallel with the given solenoid valve.

Claims (1)

方向切換弁の一方のパイロットポートから遠隔操作弁への作動流体の流通を許容し得る逆止弁を、所定の電磁弁に並列に設けた請求項１に記載の液圧回路。The hydraulic circuit according to claim 1, wherein a check valve capable of permitting the flow of the working fluid from one pilot port of the directional control valve to the remote control valve is provided in parallel with the predetermined solenoid valve.
JP10296763A 1998-10-19 1998-10-19 Hydraulic circuit Pending JP2000120616A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10296763A JP2000120616A (en) 1998-10-19 1998-10-19 Hydraulic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10296763A JP2000120616A (en) 1998-10-19 1998-10-19 Hydraulic circuit

Publications (2)

Publication Number Publication Date
JP2000120616A JP2000120616A (en) 2000-04-25
JP2000120616A5 true JP2000120616A5 (en) 2005-05-19

Family

ID=17837819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10296763A Pending JP2000120616A (en) 1998-10-19 1998-10-19 Hydraulic circuit

Country Status (1)

Country Link
JP (1) JP2000120616A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3606177B2 (en) * 2000-07-25 2005-01-05 住友建機製造株式会社 Hydraulic excavator control circuit
JP5548368B2 (en) * 2009-01-14 2014-07-16 株式会社クボタ Arm position control system for work equipment
JP6554444B2 (en) * 2016-06-09 2019-07-31 日立建機株式会社 Work machine

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