JPS59142551U - hydraulic closed circuit - Google Patents

hydraulic closed circuit

Info

Publication number
JPS59142551U
JPS59142551U JP3635083U JP3635083U JPS59142551U JP S59142551 U JPS59142551 U JP S59142551U JP 3635083 U JP3635083 U JP 3635083U JP 3635083 U JP3635083 U JP 3635083U JP S59142551 U JPS59142551 U JP S59142551U
Authority
JP
Japan
Prior art keywords
closed circuit
circuit
poppet valve
hydraulic closed
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
JP3635083U
Other languages
Japanese (ja)
Other versions
JPS6243171Y2 (en
Inventor
和夫 井上
川人　明男
茂雄 大野
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP3635083U priority Critical patent/JPS59142551U/en
Publication of JPS59142551U publication Critical patent/JPS59142551U/en
Application granted granted Critical
Publication of JPS6243171Y2 publication Critical patent/JPS6243171Y2/ja
Granted legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来例を示す油圧回路図、第２図は本考案の実
施例を示す油圧回路図である。 １は可変油圧ポンプ、２は油圧モータ、３，４は閉回路
、５はポペット弁、１０は絞り、１１はバイパス回路、
１２はバイパス弁。FIG. 1 is a hydraulic circuit diagram showing a conventional example, and FIG. 2 is a hydraulic circuit diagram showing an embodiment of the present invention. 1 is a variable hydraulic pump, 2 is a hydraulic motor, 3 and 4 are closed circuits, 5 is a poppet valve, 10 is a throttle, 11 is a bypass circuit,
12 is a bypass valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 可変油圧ポンプ１とアクチュエータとを往復の閉回路３
．４で接続し、かつこの両開回路３．４内にポペット弁
５．５を介装した油圧閉回路において、上記閉回路３．
４に、ポペット弁５．５と並列にしてバイパス回路１１
を設け、このバイパス回路１１に、絞り１０と、上記ポ
ペット弁５の閉動作後若干時間経過後に閉となり、また
ポペット弁５の開動作の若干時間以前に開となるように
したバイパス弁１２を介装したことを特徴とする油圧閉
回路。A closed circuit 3 that reciprocates between the variable hydraulic pump 1 and the actuator
．． In the hydraulic closed circuit which is connected to the open circuit 3.4 and has a poppet valve 5.5 interposed in the double open circuit 3.4, the closed circuit 3.4 is connected to the closed circuit 3.4.
4, the bypass circuit 11 is connected in parallel with the poppet valve 5.5.
The bypass circuit 11 is provided with a throttle 10 and a bypass valve 12 which closes some time after the poppet valve 5 closes and opens some time before the poppet valve 5 opens. A hydraulic closed circuit characterized by an intervening system.
JP3635083U 1983-03-15 1983-03-15 hydraulic closed circuit Granted JPS59142551U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3635083U JPS59142551U (en) 1983-03-15 1983-03-15 hydraulic closed circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3635083U JPS59142551U (en) 1983-03-15 1983-03-15 hydraulic closed circuit

Publications (2)

Publication Number Publication Date
JPS59142551U true JPS59142551U (en) 1984-09-22
JPS6243171Y2 JPS6243171Y2 (en) 1987-11-09

Family

ID=30167024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3635083U Granted JPS59142551U (en) 1983-03-15 1983-03-15 hydraulic closed circuit

Country Status (1)

Country Link
JP (1) JPS59142551U (en)

Also Published As

Publication number Publication date
JPS6243171Y2 (en) 1987-11-09

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