DE68910692D1 - Elektronisch gesteuerte Cryopumpe. - Google Patents

Elektronisch gesteuerte Cryopumpe.

Info

Publication number
DE68910692D1
DE68910692D1 DE90901179T DE68910692T DE68910692D1 DE 68910692 D1 DE68910692 D1 DE 68910692D1 DE 90901179 T DE90901179 T DE 90901179T DE 68910692 T DE68910692 T DE 68910692T DE 68910692 D1 DE68910692 D1 DE 68910692D1
Authority
DE
Germany
Prior art keywords
electronically controlled
cryopump
controlled cryopump
electronically
controlled
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
DE90901179T
Other languages
English (en)
Other versions
DE68910692T2 (de
Inventor
Peter Gaudet
Donald Olsen
Michael Eacobacci
John Harvell
Robert Lepofsky
David Roche
Steven Bender
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.)
Azenta Inc
Original Assignee
Helix Technology 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22919801&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE68910692(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Helix Technology Corp filed Critical Helix Technology Corp
Application granted granted Critical
Publication of DE68910692D1 publication Critical patent/DE68910692D1/de
Publication of DE68910692T2 publication Critical patent/DE68910692T2/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
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • 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)
DE90901179T 1988-09-13 1989-09-12 Elektronisch gesteuerte Cryopumpe. Expired - Lifetime DE68910692T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/243,707 US4918930A (en) 1988-09-13 1988-09-13 Electronically controlled cryopump
PCT/US1989/003932 WO1990002878A2 (en) 1988-09-13 1989-09-12 Electronically controlled cryopump

Publications (2)

Publication Number Publication Date
DE68910692D1 true DE68910692D1 (de) 1993-12-16
DE68910692T2 DE68910692T2 (de) 1994-04-28

Family

ID=22919801

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68923184T Expired - Lifetime DE68923184T2 (de) 1988-09-13 1989-09-12 Elektronisch gesteuerte Kryopumpe.
DE90901179T Expired - Lifetime DE68910692T2 (de) 1988-09-13 1989-09-12 Elektronisch gesteuerte Cryopumpe.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE68923184T Expired - Lifetime DE68923184T2 (de) 1988-09-13 1989-09-12 Elektronisch gesteuerte Kryopumpe.

Country Status (6)

Country Link
US (3) US4918930A (de)
EP (2) EP0436673B1 (de)
JP (1) JP2873031B2 (de)
CA (1) CA1322105C (de)
DE (2) DE68923184T2 (de)
WO (1) WO1990002878A2 (de)

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JP5822747B2 (ja) 2012-02-02 2015-11-24 住友重機械工業株式会社 クライオポンプ
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Also Published As

Publication number Publication date
US5450316A (en) 1995-09-12
DE68910692T2 (de) 1994-04-28
EP0553935A1 (de) 1993-08-04
WO1990002878A3 (en) 1990-05-17
JPH04501751A (ja) 1992-03-26
US4918930A (en) 1990-04-24
DE68923184D1 (de) 1995-07-27
EP0436673B1 (de) 1993-11-10
WO1990002878A2 (en) 1990-03-22
US5343708A (en) 1994-09-06
EP0436673A1 (de) 1991-07-17
CA1322105C (en) 1993-09-14
JP2873031B2 (ja) 1999-03-24
EP0553935B1 (de) 1995-06-21
DE68923184T2 (de) 1995-11-30

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings