DE59305337D1 - Wälzkolben-Vakuumpumpe - Google Patents

Wälzkolben-Vakuumpumpe

Info

Publication number
DE59305337D1
DE59305337D1 DE59305337T DE59305337T DE59305337D1 DE 59305337 D1 DE59305337 D1 DE 59305337D1 DE 59305337 T DE59305337 T DE 59305337T DE 59305337 T DE59305337 T DE 59305337T DE 59305337 D1 DE59305337 D1 DE 59305337D1
Authority
DE
Germany
Prior art keywords
vacuum pump
roots vacuum
roots
pump
vacuum
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 - Lifetime
Application number
DE59305337T
Other languages
English (en)
Inventor
Hermann Lang
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.)
Pfeiffer Vacuum GmbH
Original Assignee
Pfeiffer Vacuum GmbH
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 Pfeiffer Vacuum GmbH filed Critical Pfeiffer Vacuum GmbH
Application granted granted Critical
Publication of DE59305337D1 publication Critical patent/DE59305337D1/de
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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • F04C18/14—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 toothed rotary pistons
    • F04C18/20—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 toothed rotary pistons with dissimilar tooth forms
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0021—Systems for the equilibration of forces acting on the pump
    • F04C29/0035—Equalization of pressure pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
DE59305337T 1992-12-24 1993-12-13 Wälzkolben-Vakuumpumpe Expired - Lifetime DE59305337D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4244063A DE4244063A1 (de) 1992-12-24 1992-12-24 Wälzkolben-Vakuumpumpe

Publications (1)

Publication Number Publication Date
DE59305337D1 true DE59305337D1 (de) 1997-03-13

Family

ID=6476527

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4244063A Withdrawn DE4244063A1 (de) 1992-12-24 1992-12-24 Wälzkolben-Vakuumpumpe
DE59305337T Expired - Lifetime DE59305337D1 (de) 1992-12-24 1993-12-13 Wälzkolben-Vakuumpumpe

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4244063A Withdrawn DE4244063A1 (de) 1992-12-24 1992-12-24 Wälzkolben-Vakuumpumpe

Country Status (3)

Country Link
EP (1) EP0603698B1 (de)
JP (1) JPH06213181A (de)
DE (2) DE4244063A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19809957A1 (de) * 1998-03-07 1999-09-09 Pfeiffer Vacuum Gmbh Mehrwellenvakuumpumpe
DE102007057813A1 (de) 2007-11-30 2009-06-04 Heinig, Jürgen, Dr.-Ing. Anordnung eines Einflügel-Wälzkolbenverdichters und Verfahren zur Verdichtung von förderbaren und kompressiblen Medien
DE102008044856A1 (de) 2008-08-28 2010-03-04 Heinig, Jürgen, Dr.-Ing. Anordnung eines Turbo-Schubgebläses und Verfahren zum Antrieb von Luftfahrzeugen
JP5725660B2 (ja) 2011-09-30 2015-05-27 アネスト岩田株式会社 クローポンプ
CN114704465A (zh) * 2022-04-11 2022-07-05 浙江创为真空设备股份有限公司 一种罗茨真空泵预抽结构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH405585A (fr) * 1961-10-13 1966-01-15 Studia Technica Ets Machine rotative, notamment compresseur ou pompe
FR1324941A (fr) * 1962-02-09 1963-04-26 Studia Technica Ets Machine volumétrique telle que compresseur ou pompe
GB1128051A (en) * 1965-05-24 1968-09-25 Lucas Industries Ltd Gear pumps
CH621854A5 (en) * 1977-06-06 1981-02-27 Balzers Hochvakuum Roots pump
DE3018638C2 (de) * 1980-05-16 1986-10-16 Walter 4791 Schlangen Plöger Drehkolben-Brennkraftmaschine
DE3332361C2 (de) * 1983-09-08 1994-05-26 Balzers Pfeiffer Gmbh Wälzkolbenpumpe
US5071328A (en) * 1990-05-29 1991-12-10 Schlictig Ralph C Double rotor compressor with two stage inlets

Also Published As

Publication number Publication date
JPH06213181A (ja) 1994-08-02
EP0603698B1 (de) 1997-01-29
EP0603698A1 (de) 1994-06-29
DE4244063A1 (de) 1994-06-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition