JPH0243482U - - Google Patents

Info

Publication number
JPH0243482U
JPH0243482U JP12240688U JP12240688U JPH0243482U JP H0243482 U JPH0243482 U JP H0243482U JP 12240688 U JP12240688 U JP 12240688U JP 12240688 U JP12240688 U JP 12240688U JP H0243482 U JPH0243482 U JP H0243482U
Authority
JP
Japan
Prior art keywords
oil pump
cover
internal space
type oil
discharge port
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
JP12240688U
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 JP12240688U priority Critical patent/JPH0243482U/ja
Publication of JPH0243482U publication Critical patent/JPH0243482U/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 drawings]

第１図は本考案に従つたトロコイド型オイルポ
ンプの断面図、第２図は第１のポンプボデイの正
面図、第３図は本考案ポンプと従来ポンプとの性
能を比較した図である。 １０……トロコイド型オイルポンプ、１１……
ポンプボデイ、１２……ドライブロータ、１３…
…ドリブンロータ、１４……ポンプカバー、１６
……吸入ポート、１７……吐出ポート、２０……
溝、２１……空気溜り。 FIG. 1 is a sectional view of a trochoidal oil pump according to the present invention, FIG. 2 is a front view of the first pump body, and FIG. 3 is a diagram comparing the performance of the pump of the present invention and a conventional pump. 10... Trochoid type oil pump, 11...
Pump body, 12... Drive rotor, 13...
...Driven rotor, 14...Pump cover, 16
...Suction port, 17...Discharge port, 20...
Groove, 21...Air pocket.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内部空間を備えるボデイ内にドライブロータと
ドリブンロータを回転可能に装着し、該両ロータ
の一側面を包囲するようにカバーを前記ボデイに
固定し、前記ボデイの内部空間に開口する吸入ポ
ートと吐出ポートを前記ボデイ内に形成するトロ
コイド型オイルポンプに於いて、前記吐出ポート
に前記ボデイと前記カバー間で上方に延在する閉
溝を形成し、該溝の上部に空気溜りを設けた、ト
ロコイド型オイルポンプ。 A drive rotor and a driven rotor are rotatably mounted in a body having an internal space, a cover is fixed to the body so as to surround one side of both rotors, and a suction port and a discharge port open to the internal space of the body. In the trochoid type oil pump in which a port is formed in the body, a closed groove extending upward between the body and the cover is formed in the discharge port, and an air pocket is provided in the upper part of the groove. type oil pump.
JP12240688U 1988-09-19 1988-09-19 Pending JPH0243482U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12240688U JPH0243482U (en) 1988-09-19 1988-09-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12240688U JPH0243482U (en) 1988-09-19 1988-09-19

Publications (1)

Publication Number Publication Date
JPH0243482U true JPH0243482U (en) 1990-03-26

Family

ID=31370308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12240688U Pending JPH0243482U (en) 1988-09-19 1988-09-19

Country Status (1)

Country Link
JP (1) JPH0243482U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7361002B2 (en) 2003-11-17 2008-04-22 Hitachi, Ltd. Oil pump
US7704061B2 (en) 2003-11-17 2010-04-27 Hitachi, Ltd. Oil pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7361002B2 (en) 2003-11-17 2008-04-22 Hitachi, Ltd. Oil pump
US7704061B2 (en) 2003-11-17 2010-04-27 Hitachi, Ltd. Oil pump

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