JPH0449682U - - Google Patents

Info

Publication number
JPH0449682U
JPH0449682U JP9070890U JP9070890U JPH0449682U JP H0449682 U JPH0449682 U JP H0449682U JP 9070890 U JP9070890 U JP 9070890U JP 9070890 U JP9070890 U JP 9070890U JP H0449682 U JPH0449682 U JP H0449682U
Authority
JP
Japan
Prior art keywords
valve body
view
relief valve
showing
oil pump
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
JP9070890U
Other languages
English (en)
Other versions
JP2502894Y2 (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 JP9070890U priority Critical patent/JP2502894Y2/ja
Publication of JPH0449682U publication Critical patent/JPH0449682U/ja
Application granted granted Critical
Publication of JP2502894Y2 publication Critical patent/JP2502894Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Safety Valves (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示すものであつて、そ
の第１図はポンプカバーを外した本考案のリリー
フ弁構造を備えたオイルポンプの正面図、第２図
は第１図の−矢視断面図、第３図は本考案の
一部切除した斜視図、第４図は本考案の一部断面
とした側面図、第５図は第４図のＶ−Ｖ矢視端面
図、第６図は第５図とは別の実施例の弁本体の端
面図、第７図は弁本体の頂面に作用する流体の圧
力とその水平分力の状態を示す要部拡大図、第８
図は弁本体がリリーフ弁孔部内にて回転する様子
を示す一部断面にした斜視図、第９図は弁本体の
外周側面がリリーフ弁孔部内のバイパスに均一に
当接する状態を示す斜視図、第１０図は作動溝条
を異物が流動する様子を示す拡大図、第１１図乃
至第１３図は本考案の別の実施例を示す側面図、
第１４図は従来の弁本体が特殊な摩耗を発生した
ところを示す側面図、第１５図は特殊な摩耗が発
生する原因を示す斜視図である。 ８……リリーフ弁孔部、Ｂ１……弁本体、１０
ａ……傾斜溝、１０……作動溝条。

Claims (1)

    【実用新案登録請求の範囲】
  1. オイルポンプにおけるリリーフ弁孔部に弁本体
    を弾発可能に設け、該弁本体の外周側面に少なく
    とも一部に傾斜溝を有する作動溝条を全長に亘つ
    て刻設したことを特徴としたオイルポンプのリリ
    ーフ弁構造。
JP9070890U 1990-08-31 1990-08-31 オイルポンプのリリ―フ弁構造 Expired - Lifetime JP2502894Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9070890U JP2502894Y2 (ja) 1990-08-31 1990-08-31 オイルポンプのリリ―フ弁構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9070890U JP2502894Y2 (ja) 1990-08-31 1990-08-31 オイルポンプのリリ―フ弁構造

Publications (2)

Publication Number Publication Date
JPH0449682U true JPH0449682U (ja) 1992-04-27
JP2502894Y2 JP2502894Y2 (ja) 1996-06-26

Family

ID=31825681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9070890U Expired - Lifetime JP2502894Y2 (ja) 1990-08-31 1990-08-31 オイルポンプのリリ―フ弁構造

Country Status (1)

Country Link
JP (1) JP2502894Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009174515A (ja) * 2007-12-25 2009-08-06 Panasonic Electric Works Co Ltd ベーンポンプ
JP2016133162A (ja) * 2015-01-19 2016-07-25 三菱重工業株式会社 安全弁、圧縮機、タンク、ブレーキ制御装置、ブレーキシステム及び車両

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009174515A (ja) * 2007-12-25 2009-08-06 Panasonic Electric Works Co Ltd ベーンポンプ
JP4636108B2 (ja) * 2007-12-25 2011-02-23 パナソニック電工株式会社 ベーンポンプ
JP2016133162A (ja) * 2015-01-19 2016-07-25 三菱重工業株式会社 安全弁、圧縮機、タンク、ブレーキ制御装置、ブレーキシステム及び車両

Also Published As

Publication number Publication date
JP2502894Y2 (ja) 1996-06-26

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