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Title:
CRYOGENIC PUMP AND METHOD FOR CONTROLLING CRYOGENIC PUMP
Document Type and Number:
WIPO Patent Application WO/2018/235661
Kind Code:
A1
Abstract:
This cryogenic pump 10 is provided with: a first-stage cryopanel 18; a second-stage cryopanel 19; a freezing machine 16 which is thermally coupled to the first-stage cryopanel 18 and the second-stage cryopanel 19 so as to cool the first-stage cryopanel 18 to a first-stage cooling temperature and the second-stage cryopanel 19 to a second-stage cooling temperature that is lower than the first-stage cooling temperature; and a control device 100 which is configured to execute first-stage temperature control for controlling the first-stage cooling temperature to a first-stage target temperature. The control device 100 is configured to increase the freezing capability of the freezing machine 16 upon detection of a rise in the second-stage cooling temperature during the execution of the first-stage temperature control.

Inventors:
TAKAHASHI Kakeru (LTD. Tanashi Works 1-1, Yato-cho 2-chom, Nishitokyo-shi Tokyo 85, 〒1888585, JP)
Application Number:
JP2018/022241
Publication Date:
December 27, 2018
Filing Date:
June 11, 2018
Export Citation:
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Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD. (1-1 Osaki 2-chome, Shinagawa-ku Tokyo, 25, 〒1416025, JP)
International Classes:
F04B37/08; F04B37/16
Domestic Patent References:
WO2010097888A12010-09-02
Foreign References:
JP4912438B22012-04-11
JP2004027866A2004-01-29
JP2013134020A2013-07-08
Attorney, Agent or Firm:
MORISHITA Sakaki (2-11-12, Ebisu-Nishi Shibuya-ku Tokyo, 21, 〒1500021, JP)
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