JPH0480765U - - Google Patents

Info

Publication number
JPH0480765U
JPH0480765U JP12184890U JP12184890U JPH0480765U JP H0480765 U JPH0480765 U JP H0480765U JP 12184890 U JP12184890 U JP 12184890U JP 12184890 U JP12184890 U JP 12184890U JP H0480765 U JPH0480765 U JP H0480765U
Authority
JP
Japan
Prior art keywords
drain
port
hydraulic oil
spool
spool chamber
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
JP12184890U
Other languages
English (en)
Other versions
JP2539987Y2 (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 JP1990121848U priority Critical patent/JP2539987Y2/ja
Publication of JPH0480765U publication Critical patent/JPH0480765U/ja
Application granted granted Critical
Publication of JP2539987Y2 publication Critical patent/JP2539987Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の流量制御弁の一実施例の構成
を示す縦断面図、第2図は同じくパイプを示す横
断面図、第3図は従来の流量制御弁の一例の構成
を示す縦断面図である。 2……スプール室、3……流入ポート、4……
ドレンポート、6……スプール弁、11……凹部
、13……凸部(流路抵抗部)。

Claims (1)

    【実用新案登録請求の範囲】
  1. 作動油の流入ポートと、アクチユエータの油圧
    回路への作動油の吐出ポートと、余剰の作動油を
    還流させるドレンポートとを備えたスプール室内
    に、スプール弁を配設し、該スプール弁により前
    記ドレンポートからのドレン流量を増減させ、吐
    出流量を制御するようにした流量制御弁において
    、前記ドレンポートに対向するスプール室の壁面
    にドレンポートと同形状の凹部を形成すると共に
    、前記ドレンポートの前記スプール室との接続部
    の流入ポート側の近傍の内周に流路抵抗部を設け
    たことを特徴とする流量制御弁。
JP1990121848U 1990-11-22 1990-11-22 流量制御弁 Expired - Lifetime JP2539987Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990121848U JP2539987Y2 (ja) 1990-11-22 1990-11-22 流量制御弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990121848U JP2539987Y2 (ja) 1990-11-22 1990-11-22 流量制御弁

Publications (2)

Publication Number Publication Date
JPH0480765U true JPH0480765U (ja) 1992-07-14
JP2539987Y2 JP2539987Y2 (ja) 1997-07-02

Family

ID=31869676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990121848U Expired - Lifetime JP2539987Y2 (ja) 1990-11-22 1990-11-22 流量制御弁

Country Status (1)

Country Link
JP (1) JP2539987Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01144172U (ja) * 1988-03-08 1989-10-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01144172U (ja) * 1988-03-08 1989-10-03

Also Published As

Publication number Publication date
JP2539987Y2 (ja) 1997-07-02

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