JPH046782U - - Google Patents

Info

Publication number
JPH046782U
JPH046782U JP4754390U JP4754390U JPH046782U JP H046782 U JPH046782 U JP H046782U JP 4754390 U JP4754390 U JP 4754390U JP 4754390 U JP4754390 U JP 4754390U JP H046782 U JPH046782 U JP H046782U
Authority
JP
Japan
Prior art keywords
shaft
rotor
oil
pump body
spiral groove
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
JP4754390U
Other languages
English (en)
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 JP4754390U priority Critical patent/JPH046782U/ja
Publication of JPH046782U publication Critical patent/JPH046782U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Rotary Pumps (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例に係る油圧ポンプの
縦断面図、第2図Aは第1図の−線に沿う断
面図、同図BはA図の要部の拡大図、第3図は従
来の油圧ポンプの縦断面図、第4図は他の実施例
の要部を示す縦断面図である。 100,102……ポンプボデイ、106……
ロータ、108……シヤフト、108c……螺旋
溝、112,114……オイルシール。

Claims (1)

    【実用新案登録請求の範囲】
  1. ポンプボデイ内に収容されたロータと、ロータ
    の軸心に連結されてこのロータを回転駆動するシ
    ヤフトと、このシヤフトに装着されたオイルシー
    ルとを備え、オイルシールの内側に洩れたオイル
    を低圧側に還流させるようにした油圧ポンプにお
    いて、上記シヤフトの外周に螺旋溝を形成し、シ
    ヤフトの回転によつて、内部洩れオイルを強制的
    に低圧側に送ることを特徴とする油圧ポンプ。
JP4754390U 1990-05-07 1990-05-07 Pending JPH046782U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4754390U JPH046782U (ja) 1990-05-07 1990-05-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4754390U JPH046782U (ja) 1990-05-07 1990-05-07

Publications (1)

Publication Number Publication Date
JPH046782U true JPH046782U (ja) 1992-01-22

Family

ID=31563563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4754390U Pending JPH046782U (ja) 1990-05-07 1990-05-07

Country Status (1)

Country Link
JP (1) JPH046782U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04164180A (ja) * 1990-10-29 1992-06-09 Shimadzu Corp 流体機械

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04164180A (ja) * 1990-10-29 1992-06-09 Shimadzu Corp 流体機械

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