JPH0185590U - - Google Patents

Info

Publication number
JPH0185590U
JPH0185590U JP18303587U JP18303587U JPH0185590U JP H0185590 U JPH0185590 U JP H0185590U JP 18303587 U JP18303587 U JP 18303587U JP 18303587 U JP18303587 U JP 18303587U JP H0185590 U JPH0185590 U JP H0185590U
Authority
JP
Japan
Prior art keywords
hydraulic switching
valve
switching device
preventing cavitation
relief valve
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
JP18303587U
Other languages
English (en)
Other versions
JPH0448392Y2 (ja
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 filed Critical
Priority to JP1987183035U priority Critical patent/JPH0448392Y2/ja
Publication of JPH0185590U publication Critical patent/JPH0185590U/ja
Application granted granted Critical
Publication of JPH0448392Y2 publication Critical patent/JPH0448392Y2/ja
Expired legal-status Critical Current

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  • Details Of Valves (AREA)

Description

【図面の簡単な説明】
第1図は本実施例にかかる低騒音型の油圧切換
装置の全体の概略構成を示す全体図、第2図は第
1図の各機器の構造をより具体的に示した全体構
成図、第3図は本油圧切換弁の戻り側のポートで
の圧力と流量の関係を示す圧力―流量線図、第4
図は従来の油圧切換装置の全体の概略構成を示す
全体図、第5図は円板弁の構造を示す側断面図で
ある。 1……油圧切換弁、3……流量調整弁、4……
円板弁、Ps……背圧。

Claims (1)

  1. 【実用新案登録請求の範囲】 アクチユエータへ選択的に圧油を送るための油
    圧切換弁を具備した油圧切換装置において、 上記油圧切換弁の戻り側に、該戻り側の流路に
    背圧を形成しキヤビテーシヨンの発生を防止する
    リリーフ弁と、該リリーフ弁で発生するキヤビテ
    ーシヨンを防止するための円板弁を配設したこと
    を特徴とする低騒音型油圧切換装置。
JP1987183035U 1987-11-30 1987-11-30 Expired JPH0448392Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987183035U JPH0448392Y2 (ja) 1987-11-30 1987-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987183035U JPH0448392Y2 (ja) 1987-11-30 1987-11-30

Publications (2)

Publication Number Publication Date
JPH0185590U true JPH0185590U (ja) 1989-06-07
JPH0448392Y2 JPH0448392Y2 (ja) 1992-11-13

Family

ID=31474468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987183035U Expired JPH0448392Y2 (ja) 1987-11-30 1987-11-30

Country Status (1)

Country Link
JP (1) JPH0448392Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5124138A (ja) * 1974-08-21 1976-02-26 Matsushita Electric Industrial Co Ltd
JPS5550453U (ja) * 1978-09-29 1980-04-02

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5124138A (ja) * 1974-08-21 1976-02-26 Matsushita Electric Industrial Co Ltd
JPS5550453U (ja) * 1978-09-29 1980-04-02

Also Published As

Publication number Publication date
JPH0448392Y2 (ja) 1992-11-13

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