GB1331012A - Molecular pump - Google Patents

Molecular pump

Info

Publication number
GB1331012A
GB1331012A GB833672A GB833672A GB1331012A GB 1331012 A GB1331012 A GB 1331012A GB 833672 A GB833672 A GB 833672A GB 833672 A GB833672 A GB 833672A GB 1331012 A GB1331012 A GB 1331012A
Authority
GB
United Kingdom
Prior art keywords
springs
groove
bearing surface
spring
molecular pump
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
GB833672A
Other languages
English (en)
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.)
Dornier GmbH
Original Assignee
Dornier 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 Dornier GmbH filed Critical Dornier GmbH
Publication of GB1331012A publication Critical patent/GB1331012A/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
    • 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
    • F04D19/044—Holweck-type pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
  • Springs (AREA)
GB833672A 1971-04-17 1972-02-23 Molecular pump Expired GB1331012A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2118738A DE2118738C3 (de) 1971-04-17 1971-04-17 Molekularpumpe, bestehend aus einem mit Innengewinde versehenen zylindrischen Stator

Publications (1)

Publication Number Publication Date
GB1331012A true GB1331012A (en) 1973-09-19

Family

ID=5805019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB833672A Expired GB1331012A (en) 1971-04-17 1972-02-23 Molecular pump

Country Status (5)

Country Link
US (1) US3802794A (enExample)
DE (1) DE2118738C3 (enExample)
FR (1) FR2134997A5 (enExample)
GB (1) GB1331012A (enExample)
NL (1) NL7202925A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2222886A5 (enExample) * 1973-03-21 1974-10-18 Cit Alcatel
JPS6341695A (ja) * 1986-08-07 1988-02-22 Seiko Seiki Co Ltd タ−ボ分子ポンプ
DE3728154C2 (de) * 1987-08-24 1996-04-18 Balzers Pfeiffer Gmbh Mehrstufige Molekularpumpe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1065208A (en) * 1911-04-14 1913-06-17 Charles G Strickler Water turbine-wheel.
US1492846A (en) * 1922-05-11 1924-05-06 Mullard Radio Valve Co Ltd Vacuum pump
US2730297A (en) * 1950-04-12 1956-01-10 Hartford Nat Bank & Trust Co High-vacuum molecular pump
DE1010235B (de) * 1955-04-22 1957-06-13 Arthur Pfeiffer Fa Molekularpumpe

Also Published As

Publication number Publication date
DE2118738B2 (enExample) 1974-04-11
US3802794A (en) 1974-04-09
NL7202925A (enExample) 1972-10-19
DE2118738C3 (de) 1974-11-14
FR2134997A5 (enExample) 1972-12-08
DE2118738A1 (de) 1972-11-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees