JPH0193388U - - Google Patents

Info

Publication number
JPH0193388U
JPH0193388U JP18819687U JP18819687U JPH0193388U JP H0193388 U JPH0193388 U JP H0193388U JP 18819687 U JP18819687 U JP 18819687U JP 18819687 U JP18819687 U JP 18819687U JP H0193388 U JPH0193388 U JP H0193388U
Authority
JP
Japan
Prior art keywords
drive shaft
suction port
oil
communication passage
inner gear
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
JP18819687U
Other languages
Japanese (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 JP18819687U priority Critical patent/JPH0193388U/ja
Publication of JPH0193388U publication Critical patent/JPH0193388U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Description

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

第１図はこの考案に係るオイルポンプの一実施
例を示す縦断面図、第２図は従来のオイルポンプ
を示す縦断面図である。 １……ポンプケーシング、３……駆動軸、３ａ
……外周面、４……インナーギア、５……アウタ
ーギア、９……オイルシール、１１……油溜室、
１２……吸入ポート、１３……吐出ポート、２１
……連通路、２３……リリーフバルブ。 FIG. 1 is a longitudinal sectional view showing an embodiment of an oil pump according to this invention, and FIG. 2 is a longitudinal sectional view showing a conventional oil pump. 1... Pump casing, 3... Drive shaft, 3a
...Outer peripheral surface, 4...Inner gear, 5...Outer gear, 9...Oil seal, 11...Oil sump chamber,
12...Suction port, 13...Discharge port, 21
...Communication path, 23...Relief valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 互いに噛合するインナーギアとアウターギアと
を内部に回転自在に収納し、かつ対向側部に吸入
ポートと吐出ポートとを有するポンプケーシング
と、該ポンプケーシングの略中心部を貫通し、か
つ外周に上記インナーギアが結合した駆動軸と、
上記ポンプケーシングの一側部と上記駆動軸の外
周面との間に介装され、かつ内側に油溜室を形成
するオイルシールとを備え、更に上記ポンプケー
シングの所定内部に上記油溜室と吸入ポートとを
連通する連通路を形成すると共に、該連通路にリ
リーフバルブを設けたことを特徴とするオイルポ
ンプ。 A pump casing that rotatably houses an inner gear and an outer gear that mesh with each other, and has a suction port and a discharge port on opposite sides; A drive shaft to which an inner gear is connected,
an oil seal interposed between one side of the pump casing and an outer circumferential surface of the drive shaft and forming an oil reservoir therein; An oil pump characterized in that a communication passage communicating with a suction port is formed, and a relief valve is provided in the communication passage.
JP18819687U 1987-12-10 1987-12-10 Pending JPH0193388U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18819687U JPH0193388U (en) 1987-12-10 1987-12-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18819687U JPH0193388U (en) 1987-12-10 1987-12-10

Publications (1)

Publication Number Publication Date
JPH0193388U true JPH0193388U (en) 1989-06-20

Family

ID=31479308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18819687U Pending JPH0193388U (en) 1987-12-10 1987-12-10

Country Status (1)

Country Link
JP (1) JPH0193388U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017104844A1 (en) * 2015-12-18 2017-06-22 日本電産トーソク株式会社 Pump device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017104844A1 (en) * 2015-12-18 2017-06-22 日本電産トーソク株式会社 Pump device
JPWO2017104844A1 (en) * 2015-12-18 2018-10-04 日本電産トーソク株式会社 Pump device

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