DE3112862C2 - Kryopumpenanordnung - Google Patents

Kryopumpenanordnung

Info

Publication number
DE3112862C2
DE3112862C2 DE3112862A DE3112862A DE3112862C2 DE 3112862 C2 DE3112862 C2 DE 3112862C2 DE 3112862 A DE3112862 A DE 3112862A DE 3112862 A DE3112862 A DE 3112862A DE 3112862 C2 DE3112862 C2 DE 3112862C2
Authority
DE
Germany
Prior art keywords
screens
cold
cryopump
plate
cold 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.)
Expired
Application number
DE3112862A
Other languages
German (de)
English (en)
Other versions
DE3112862A1 (de
Inventor
John William Columbus Ohio Bonn
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.)
Process Systems International Inc (ndgesd St
Original Assignee
Pennwalt Corp Philadelphia Pa
Pennwalt Corp
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 Pennwalt Corp Philadelphia Pa, Pennwalt Corp filed Critical Pennwalt Corp Philadelphia Pa
Publication of DE3112862A1 publication Critical patent/DE3112862A1/de
Application granted granted Critical
Publication of DE3112862C2 publication Critical patent/DE3112862C2/de
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
    • 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
    • F04B37/06—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means
    • F04B37/08—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means by condensing or freezing, e.g. cryogenic pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps
    • Y10S417/901—Cryogenic pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
DE3112862A 1980-04-01 1981-03-31 Kryopumpenanordnung Expired DE3112862C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/136,194 US4275566A (en) 1980-04-01 1980-04-01 Cryopump apparatus

Publications (2)

Publication Number Publication Date
DE3112862A1 DE3112862A1 (de) 1982-01-07
DE3112862C2 true DE3112862C2 (de) 1984-10-25

Family

ID=22471761

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3112862A Expired DE3112862C2 (de) 1980-04-01 1981-03-31 Kryopumpenanordnung

Country Status (6)

Country Link
US (1) US4275566A (enExample)
JP (1) JPS56154176A (enExample)
CA (2) CA1141556A (enExample)
DE (1) DE3112862C2 (enExample)
FR (1) FR2479345B1 (enExample)
GB (1) GB2077362B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452068A (en) * 1982-02-23 1984-06-05 The United States Of America As Represented By The United States Department Of Energy Grooved impactor and inertial trap for sampling inhalable particulate matter
JPS58160552A (ja) * 1982-03-18 1983-09-24 Toyota Motor Corp 内燃機関の点火時期制御方法
JPS58195083U (ja) * 1982-06-23 1983-12-24 三菱重工業株式会社 クライオポンプ
JPS60161702A (ja) * 1984-01-27 1985-08-23 Seiko Instr & Electronics Ltd 真空用冷却トラツプ
US4559787A (en) * 1984-12-04 1985-12-24 The United States Of America As Represented By The United States Department Of Energy Vacuum pump apparatus
EP0223868A1 (de) * 1985-11-16 1987-06-03 NTG Neue Technologien GmbH & Co. KG Verfahren zur Rückverflüssigung von Helium bei bzw. in einer im geschlossenen Kreislauf betriebenen Badkryopumpe
US7037083B2 (en) 2003-01-08 2006-05-02 Brooks Automation, Inc. Radiation shielding coating
CN106930924B (zh) * 2015-12-30 2019-01-08 核工业西南物理研究院 一种具有三级吸附结构的直板式内置低温泵结构
GB2596832A (en) 2020-07-08 2022-01-12 Edwards Vacuum Llc Cryopump
GB2596831A (en) 2020-07-08 2022-01-12 Edwards Vacuum Llc Cryopump

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137551A (en) * 1959-10-02 1964-06-16 John T Mark Ultra high vacuum device
US3081068A (en) * 1959-10-16 1963-03-12 Milleron Norman Cold trap
US3177672A (en) * 1960-03-31 1965-04-13 Martin Marietta Corp Space simulating apparatus and method
US3131396A (en) * 1960-09-30 1964-04-28 Gen Electric Cryogenic pumping apparatus
US3144200A (en) * 1962-10-17 1964-08-11 Clyde E Taylor Process and device for cryogenic adsorption pumping
US3122896A (en) * 1962-10-31 1964-03-03 Cryovac Inc Pump heat radiation shield
US3175373A (en) * 1963-12-13 1965-03-30 Aero Vac Corp Combination trap and baffle for high vacuum systems
US3256706A (en) * 1965-02-23 1966-06-21 Hughes Aircraft Co Cryopump with regenerative shield
US3360949A (en) * 1965-09-20 1968-01-02 Air Reduction Cryopumping configuration
US3488978A (en) * 1965-09-29 1970-01-13 Getters Spa Cryopumping,particularly for hydrogen
US3485054A (en) * 1966-10-27 1969-12-23 Cryogenic Technology Inc Rapid pump-down vacuum chambers incorporating cryopumps
US3490247A (en) * 1968-01-24 1970-01-20 Perkin Elmer Corp Sorption pump roughing system
FR1584067A (enExample) * 1968-07-30 1969-12-12
FR1587077A (enExample) * 1968-08-01 1970-03-13
FR2048253A5 (enExample) * 1969-12-01 1971-03-19 Air Liquide
FR2114039A5 (enExample) * 1970-11-13 1972-06-30 Air Liquide
FR2321609A1 (fr) * 1975-08-22 1977-03-18 Air Liquide Cryopompe a regeneration
DE2620880C2 (de) * 1976-05-11 1984-07-12 Leybold-Heraeus GmbH, 5000 Köln Kryopumpe
US4148196A (en) * 1977-04-25 1979-04-10 Sciex Inc. Multiple stage cryogenic pump and method of pumping
US4150549A (en) * 1977-05-16 1979-04-24 Air Products And Chemicals, Inc. Cryopumping method and apparatus
FR2396879A1 (fr) * 1977-07-05 1979-02-02 Air Liquide Cryopompe
US4207746A (en) * 1979-02-13 1980-06-17 United Technologies Corporation Cryopump
DE2907055A1 (de) * 1979-02-23 1980-08-28 Kernforschungsanlage Juelich Waermestrahlungsschild fuer kryopumpen

Also Published As

Publication number Publication date
FR2479345A1 (fr) 1981-10-02
GB2077362B (en) 1983-10-12
CA1141556A (en) 1983-02-22
FR2479345B1 (fr) 1986-02-07
JPH0144906B2 (enExample) 1989-10-02
DE3112862A1 (de) 1982-01-07
US4275566A (en) 1981-06-30
CA1231241B (en) 1988-01-12
GB2077362A (en) 1981-12-16
JPS56154176A (en) 1981-11-28

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PROCESS SYSTEMS INTERNATIONAL, INC. (N.D.GES.D. ST

8328 Change in the person/name/address of the agent

Free format text: KOEPSELL, H., DIPL.-ING., PAT.-ANW., 51427 BERGISCH GLADBACH

8339 Ceased/non-payment of the annual fee