DE59005764D1 - Rotor für eine Wälzkolbenvakuumpumpe. - Google Patents

Rotor für eine Wälzkolbenvakuumpumpe.

Info

Publication number
DE59005764D1
DE59005764D1 DE59005764T DE59005764T DE59005764D1 DE 59005764 D1 DE59005764 D1 DE 59005764D1 DE 59005764 T DE59005764 T DE 59005764T DE 59005764 T DE59005764 T DE 59005764T DE 59005764 D1 DE59005764 D1 DE 59005764D1
Authority
DE
Germany
Prior art keywords
rotor
vacuum pump
roots vacuum
roots
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.)
Expired - Fee Related
Application number
DE59005764T
Other languages
English (en)
Inventor
Ralf Steffens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Balzers und Leybold Deutschland Holding AG
Original Assignee
Leybold AG
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 Leybold AG filed Critical Leybold AG
Application granted granted Critical
Publication of DE59005764D1 publication Critical patent/DE59005764D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
DE59005764T 1990-08-27 1990-08-27 Rotor für eine Wälzkolbenvakuumpumpe. Expired - Fee Related DE59005764D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90116357A EP0472751B1 (de) 1990-08-27 1990-08-27 Rotor für eine Wälzkolbenvakuumpumpe

Publications (1)

Publication Number Publication Date
DE59005764D1 true DE59005764D1 (de) 1994-06-23

Family

ID=8204376

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59005764T Expired - Fee Related DE59005764D1 (de) 1990-08-27 1990-08-27 Rotor für eine Wälzkolbenvakuumpumpe.

Country Status (4)

Country Link
US (1) US5152684A (de)
EP (1) EP0472751B1 (de)
JP (1) JPH04246284A (de)
DE (1) DE59005764D1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095781A (en) * 1997-09-11 2000-08-01 Viking Pump, Inc. Timed element, high pressure, industrial rotary lobe pump
US5992230A (en) * 1997-11-15 1999-11-30 Hoffer Flow Controls, Inc. Dual rotor flow meter
US7607437B2 (en) 2003-08-04 2009-10-27 Cardinal Health 203, Inc. Compressor control system and method for a portable ventilator
US20050112013A1 (en) * 2003-08-04 2005-05-26 Pulmonetic Systems, Inc. Method and apparatus for reducing noise in a roots-type blower
US7188621B2 (en) 2003-08-04 2007-03-13 Pulmonetic Systems, Inc. Portable ventilator system
US8156937B2 (en) 2003-08-04 2012-04-17 Carefusion 203, Inc. Portable ventilator system
US8118024B2 (en) 2003-08-04 2012-02-21 Carefusion 203, Inc. Mechanical ventilation system utilizing bias valve
US7527053B2 (en) 2003-08-04 2009-05-05 Cardinal Health 203, Inc. Method and apparatus for attenuating compressor noise
US7553143B2 (en) * 2004-04-19 2009-06-30 The Regents Of The University Of California Lobe pump system and method of manufacture
JP4677892B2 (ja) * 2005-12-07 2011-04-27 トヨタ自動車株式会社 ルーツ型ポンプおよび燃料電池システム
DE102006041633A1 (de) * 2006-09-05 2008-03-13 Herold & Co. Gmbh Pumpe
US7997885B2 (en) 2007-12-03 2011-08-16 Carefusion 303, Inc. Roots-type blower reduced acoustic signature method and apparatus
US8888711B2 (en) 2008-04-08 2014-11-18 Carefusion 203, Inc. Flow sensor
CN103334928B (zh) * 2013-06-09 2016-08-10 李锦上 节能摇摆活塞压缩机
DE102013110091B3 (de) * 2013-09-13 2015-02-12 Pfeiffer Vacuum Gmbh Wälzkolbenpumpe mit zwei Rotoren
JP2018168714A (ja) * 2017-03-29 2018-11-01 株式会社豊田自動織機 燃料電池用水素循環ポンプ
CN109555681B (zh) * 2018-12-28 2019-12-24 江南大学 一种确定罗茨泵转子型线合理设计区域的方法及其应用
RU2730769C1 (ru) * 2020-02-19 2020-08-25 Акционерное общество "Вакууммаш" (АО "Вакууммаш") Двухроторная машина
CN115076104B (zh) * 2022-06-24 2023-10-20 宁波爱发科真空技术有限公司 罗茨真空泵转子

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE100312C (de) *
US3089638A (en) * 1958-12-01 1963-05-14 Dresser Ind Impellers for fluid handling apparatus of the rotary positive displacement type
GB953799A (en) * 1959-08-11 1964-04-02 Heraeus Gmbh W C Improvements in or relating to mechanical high vacuum pumps of the roots blower type
US3275225A (en) * 1964-04-06 1966-09-27 Midland Ross Corp Fluid compressor
DD100312A1 (de) * 1972-12-06 1973-09-12
JP2761233B2 (ja) * 1989-02-17 1998-06-04 富士重工業株式会社 ルーツ型ブロワ
US4938670A (en) * 1989-10-02 1990-07-03 Tocew Lee Rotary fluid machine

Also Published As

Publication number Publication date
US5152684A (en) 1992-10-06
JPH04246284A (ja) 1992-09-02
EP0472751A1 (de) 1992-03-04
EP0472751B1 (de) 1994-05-18

Similar Documents

Publication Publication Date Title
DE59005764D1 (de) Rotor für eine Wälzkolbenvakuumpumpe.
DE3880873T2 (de) Rotor-zusammenbau fuer eine turbomaschine.
DE69017037D1 (de) Rotorzusammenbau für einen kompressor.
DE68914320T2 (de) Zusammengestellte Vakuumpumpe.
DE59007218D1 (de) Magnetgelagerte Vakuumpumpe.
FI894271A0 (fi) Turbomolekular vakuumpump.
DE59101642D1 (de) Drehschiebervakuumpumpe.
IT9067113A0 (it) Statore per pompa turbomolecolare.
DE69112160D1 (de) Mehrstufige Vakuumpumpe.
DE69004566D1 (de) Vakuumpumpeneinheit.
DE68903355T2 (de) Vakuumpumpen.
DE69018250D1 (de) Rotorblatt.
IT8222039A0 (it) Complesso di rotore di macchina a turbina.
DE68907470T2 (de) Flügelzellenpumpe.
DE3885899D1 (de) Pumpenstufe für eine Hochvakuumpumpe.
DE69112040D1 (de) Schaufelrad für eine kreiselpumpe.
DE3768593D1 (de) Hochvakuumpumpe.
DE69015795D1 (de) Flügelzellen-Verdrängungspumpe.
DE58903153D1 (de) Rotor, insbesondere eines drehfluegelflugzeuges.
DE3689054D1 (de) Rotorzusammenbau für Roots-Pumpe.
DE59101715D1 (de) Stator für eine Turbomolekularvakuumpumpe.
DE69109424D1 (de) Turbovakuumpumpe.
FR2642479B1 (fr) Pompe a vide du type roots, multietagee
DE59202214D1 (de) Zusammengesetzter Rotor für Strömungsmaschinen.
DE69002193T2 (de) Rotor.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BALZERS UND LEYBOLD DEUTSCHLAND HOLDING AG, 63450

8339 Ceased/non-payment of the annual fee