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Title:
CRYOGENIC ROTARY PUMP AND CRYOGENIC AIR SEPARATOR
Document Type and Number:
Japanese Patent JPH11351177
Kind Code:
A
Abstract:

To provide a cryogenic rotary pump capable of more efficiently performing multiple functions of forcible feed.

A cryogenic rotary pump 2 which pressurizes the flow of an extremely low temperature liquid and separates the flow into a first low pressure flow and a second high pressure flow is provided with a series of forcible feed rooms 26, 54, 84. A single rotationally driving shaft 12 supports a rotation inducer 30 arranged in the room 26, a first impeller in the room 54 and a second impeller in the room 84. A liquid receiving room 40 is arranged at the middle between the forcible feed rooms 26, 54. A first exit 44 from a pump 2 to the first low pressure flow is provided adjacent to the room 40 and a second exit 110 is provided in communication with the forcible feed room 84.


Inventors:
POZIVIL JOSEF (CH)
Application Number:
JP13585599A
Publication Date:
December 21, 1999
Filing Date:
May 17, 1999
Export Citation:
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Assignee:
CRYOSTAR FRANCE SA (FR)
International Classes:
F25J1/00; F04D1/10; F04D7/02; F04D15/00; F25J3/04; (IPC1-7): F04D7/02; F25J1/00; F25J3/04
Domestic Patent References:
JPH0658662A1994-03-04
JPS54137701A1979-10-25
JPH04128597A1992-04-30
JPH0914171A1997-01-14
JPH0979178A1997-03-25
JPH0979179A1997-03-25
Foreign References:
EP0895047A21999-02-03
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)



 
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