JPS5954784U - Roots pump - Google Patents

Roots pump

Info

Publication number
JPS5954784U
JPS5954784U JP14975682U JP14975682U JPS5954784U JP S5954784 U JPS5954784 U JP S5954784U JP 14975682 U JP14975682 U JP 14975682U JP 14975682 U JP14975682 U JP 14975682U JP S5954784 U JPS5954784 U JP S5954784U
Authority
JP
Japan
Prior art keywords
roots
type pump
rotor
outer layer
peripheral surface
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
JP14975682U
Other languages
Japanese (ja)
Inventor
伸一 加藤
徳彦 中村
小幡　治征
健二 山田
Original Assignee
トヨタ自動車株式会社
株式会社デンソー
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 by トヨタ自動車株式会社, 株式会社デンソー filed Critical トヨタ自動車株式会社
Priority to JP14975682U priority Critical patent/JPS5954784U/en
Publication of JPS5954784U publication Critical patent/JPS5954784U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図及び第２図は典型的なルーツ式ポンプの　　〜全
体構造の概略を示す縦断面図及び横断面図、第３図は本
考案の一実施例の要部を示す図、第４図は第３図とは別
の実施例を示す図。〜 ２・・・ハウジング、２０．２１・・田−タ、２２゜２
３・・・ロータシャフト、３５・・・植毛、３６・・・
凹凸。Figures 1 and 2 are vertical and cross-sectional views showing the general structure of a typical Roots pump, Figure 3 is a diagram showing the main parts of an embodiment of the present invention, and Figure 4 is a diagram showing the main parts of an embodiment of the present invention. 3 is a diagram showing a different embodiment from FIG. 3. FIG. ~ 2...Housing, 20.21...Data, 22゜2
3... Rotor shaft, 35... Flocking, 36...
Unevenness.

Claims (1)

【実用新案登録請求の範囲】 １　ポンプハウジング内で２個のロータが相互にかみ合
いながら回転して一回転毎に定容積の流体を吐出するル
ーツ式ポンプにおいて、上記２個のロータの少くとも一
方のロータの外周面に異物捕集可能な外層を形成したこ
とを特徴とするルーツ式ポンプ。 ２　上記外層はロータ外周面に形成した凹凸により構成
されることを特徴とする実用新案登録請求の範囲第１項
に記載のルーツ式ポンプ。 ３　上記外層はロータ外周面に固設した植毛により構成
されることを特徴とする実用新案登録請求の範囲第１項
に記載のルーツ式ポンプ。[Claims for Utility Model Registration] 1. In a Roots type pump in which two rotors rotate while meshing with each other within a pump housing and discharge a fixed volume of fluid with each revolution, at least one of the two rotors A roots-type pump characterized in that an outer layer capable of collecting foreign matter is formed on the outer peripheral surface of the rotor. 2. The roots-type pump according to claim 1, wherein the outer layer is formed by unevenness formed on the outer circumferential surface of the rotor. 3. The roots-type pump according to claim 1, wherein the outer layer is comprised of flocked hair fixed to the outer peripheral surface of the rotor.
JP14975682U 1982-10-04 1982-10-04 Roots pump Pending JPS5954784U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14975682U JPS5954784U (en) 1982-10-04 1982-10-04 Roots pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14975682U JPS5954784U (en) 1982-10-04 1982-10-04 Roots pump

Publications (1)

Publication Number Publication Date
JPS5954784U true JPS5954784U (en) 1984-04-10

Family

ID=30332342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14975682U Pending JPS5954784U (en) 1982-10-04 1982-10-04 Roots pump

Country Status (1)

Country Link
JP (1) JPS5954784U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007278274A (en) * 2006-03-14 2007-10-25 Scroll Giken:Kk Positive-displacement type fluid machine
JP2010525238A (en) * 2007-04-23 2010-07-22 エドワーズ リミテッド Vacuum pump
KR101420439B1 (en) * 2007-02-09 2014-07-16 제너럴 일렉트릭 캄파니 Screw pump rotor and method of reducing slip flow

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007278274A (en) * 2006-03-14 2007-10-25 Scroll Giken:Kk Positive-displacement type fluid machine
KR101420439B1 (en) * 2007-02-09 2014-07-16 제너럴 일렉트릭 캄파니 Screw pump rotor and method of reducing slip flow
JP2010525238A (en) * 2007-04-23 2010-07-22 エドワーズ リミテッド Vacuum pump

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