FR1129872A - Roots type high vacuum mechanical pump - Google Patents

Roots type high vacuum mechanical pump

Info

Publication number
FR1129872A
FR1129872A FR1129872DA FR1129872A FR 1129872 A FR1129872 A FR 1129872A FR 1129872D A FR1129872D A FR 1129872DA FR 1129872 A FR1129872 A FR 1129872A
Authority
FR
France
Prior art keywords
high vacuum
type high
mechanical pump
roots type
vacuum mechanical
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
Application number
Other languages
French (fr)
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.)
WC Heraus GmbH and Co KG
Original Assignee
WC Heraus GmbH and Co KG
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 WC Heraus GmbH and Co KG filed Critical WC Heraus GmbH and Co KG
Application granted granted Critical
Publication of FR1129872A publication Critical patent/FR1129872A/en
Expired 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR1129872D 1954-08-21 1955-08-18 Roots type high vacuum mechanical pump Expired FR1129872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1129872X 1954-08-21

Publications (1)

Publication Number Publication Date
FR1129872A true FR1129872A (en) 1957-01-28

Family

ID=7725431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1129872D Expired FR1129872A (en) 1954-08-21 1955-08-18 Roots type high vacuum mechanical pump

Country Status (1)

Country Link
FR (1) FR1129872A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971691A (en) * 1955-08-16 1961-02-14 Heraeus Gmbh W C Pumping system
FR2515749A1 (en) * 1981-11-05 1983-05-06 Alsthom Atlantique Vacuum installation for gases containing condensable fluids - has refrigerant dryer in series with two pumps
WO1989012169A1 (en) * 1988-05-30 1989-12-14 Siemens Aktiengesellschaft Vacuum pump unit arranged on a transportable support frame
US5131817A (en) * 1990-03-22 1992-07-21 The Nash Engineering Company Two-stage pumping system
WO2013087713A2 (en) 2011-12-14 2013-06-20 Sterling Industry Consult Gmbh Device and method for evacuating a chamber and purifying the gas extracted from said chamber
CN115434902A (en) * 2022-11-07 2022-12-06 中国空气动力研究与发展中心超高速空气动力研究所 High-flow high-vacuum air pumping system and design method thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971691A (en) * 1955-08-16 1961-02-14 Heraeus Gmbh W C Pumping system
FR2515749A1 (en) * 1981-11-05 1983-05-06 Alsthom Atlantique Vacuum installation for gases containing condensable fluids - has refrigerant dryer in series with two pumps
WO1989012169A1 (en) * 1988-05-30 1989-12-14 Siemens Aktiengesellschaft Vacuum pump unit arranged on a transportable support frame
US5131817A (en) * 1990-03-22 1992-07-21 The Nash Engineering Company Two-stage pumping system
WO2013087713A2 (en) 2011-12-14 2013-06-20 Sterling Industry Consult Gmbh Device and method for evacuating a chamber and purifying the gas extracted from said chamber
WO2013087713A3 (en) * 2011-12-14 2013-12-27 Sterling Industry Consult Gmbh Device and method for evacuating a chamber and purifying the gas extracted from said chamber
CN104066989A (en) * 2011-12-14 2014-09-24 斯特林工业咨询有限公司 Device and method for evacuating a chamber and purifying the gas extracted from said chamber
US20150068399A1 (en) * 2011-12-14 2015-03-12 Heiner Kösters Device and Method for Evacuating a Chamber and Purifying the Gas Extracted From Said Chamber
US11802562B2 (en) 2011-12-14 2023-10-31 Sterling Industry Consult Gmbh Device and method for evacuating a chamber and purifying the gas extracted from said chamber
CN115434902A (en) * 2022-11-07 2022-12-06 中国空气动力研究与发展中心超高速空气动力研究所 High-flow high-vacuum air pumping system and design method thereof
CN115434902B (en) * 2022-11-07 2022-12-30 中国空气动力研究与发展中心超高速空气动力研究所 Design method of high-flow high-vacuum air pumping system

Similar Documents

Publication Publication Date Title
FR71663E (en) Ionic vacuum pump
FR1143303A (en) Pump
FR1230921A (en) Crackle ionic vacuum pump
FR1173301A (en) Vacuum pump
FR1129872A (en) Roots type high vacuum mechanical pump
FR1228612A (en) Pump valve structure
FR1143255A (en) Thermo-electric pump
FR1119888A (en) Roots type high vacuum mechanical pump
CH349739A (en) Very high vacuum pump
FR1169075A (en) Ionic vacuum pump
FR1227127A (en) Ionic vacuum pump
FR1166228A (en) Corrosion resistant mechanical high vacuum pump
FR1114641A (en) Barrel pump
FR1139160A (en) Reciprocating pump
FR1158456A (en) Vapor vacuum pump
FR70433E (en) Roots type high vacuum mechanical pump
FR1214647A (en) Vacuum pump
FR1127162A (en) vane pump
FR1102008A (en) Pump
FR1114877A (en) Pump
FR1114517A (en) Improvements to static vacuum cleaners
FR1137097A (en) Bellows pump
FR1224547A (en) Roots type vacuum pump
FR1200604A (en) Rotary vacuum pump
FR1117231A (en) Variable flow pump