FR2020371A1 - - Google Patents

Info

Publication number
FR2020371A1
FR2020371A1 FR6931539A FR6931539A FR2020371A1 FR 2020371 A1 FR2020371 A1 FR 2020371A1 FR 6931539 A FR6931539 A FR 6931539A FR 6931539 A FR6931539 A FR 6931539A FR 2020371 A1 FR2020371 A1 FR 2020371A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6931539A
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.)
Balzers Patent und Beteiligungs AG
Original Assignee
Balzers Patent und Beteiligungs 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 Balzers Patent und Beteiligungs AG filed Critical Balzers Patent und Beteiligungs AG
Publication of FR2020371A1 publication Critical patent/FR2020371A1/fr
Withdrawn legal-status Critical Current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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
FR6931539A 1968-10-11 1969-09-17 Withdrawn FR2020371A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1549668A CH470589A (de) 1968-10-11 1968-10-11 Anordnung zur Evakuierung von Rezipienten

Publications (1)

Publication Number Publication Date
FR2020371A1 true FR2020371A1 (de) 1970-07-10

Family

ID=4409559

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6931539A Withdrawn FR2020371A1 (de) 1968-10-11 1969-09-17

Country Status (5)

Country Link
CH (1) CH470589A (de)
DE (1) DE1934936A1 (de)
FR (1) FR2020371A1 (de)
GB (1) GB1253590A (de)
NL (1) NL6817552A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4505647A (en) * 1978-01-26 1985-03-19 Grumman Allied Industries, Inc. Vacuum pumping system
EP0343914A1 (de) * 1988-05-24 1989-11-29 The Boc Group, Inc. Vorrichtung und Verfahren zur Erzeugung eines Vakuums
US5244353A (en) * 1991-10-07 1993-09-14 Alcatel Cit Gas pumping installation having means for regulating its pumping speed

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4984412A (en) * 1990-02-26 1991-01-15 Brown & Williamson Tobacco Corporation Hopper apparatus
DE4136950A1 (de) * 1991-11-11 1993-05-13 Pfeiffer Vakuumtechnik Mehrstufiges vakuumpumpsystem
US5733104A (en) * 1992-12-24 1998-03-31 Balzers-Pfeiffer Gmbh Vacuum pump system
DE19831123A1 (de) * 1998-07-11 2000-01-13 Pfeiffer Vacuum Gmbh Gasballasteinrichtung für mehrstufige Verdrängerpumpen
NL1028203C2 (nl) 2005-02-07 2006-08-08 Faber Group N V Wind- en/of zonnescherm.
CN110863971A (zh) * 2019-12-17 2020-03-06 东莞市基富真空设备有限公司 一种自动释压双驱动真空压缩设备及控制方法
CN113757119A (zh) * 2021-11-09 2021-12-07 杭州智科精密机械有限公司 带检测功能的新能源汽车真空泵

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4505647A (en) * 1978-01-26 1985-03-19 Grumman Allied Industries, Inc. Vacuum pumping system
EP0343914A1 (de) * 1988-05-24 1989-11-29 The Boc Group, Inc. Vorrichtung und Verfahren zur Erzeugung eines Vakuums
US5244353A (en) * 1991-10-07 1993-09-14 Alcatel Cit Gas pumping installation having means for regulating its pumping speed

Also Published As

Publication number Publication date
GB1253590A (en) 1971-11-17
NL6817552A (de) 1970-04-14
CH470589A (de) 1969-03-31
DE1934936A1 (de) 1970-04-16

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Legal Events

Date Code Title Description
ST Notification of lapse