The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 23, 2023

Filed:

Apr. 02, 2020
Applicant:

Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;

Inventors:

Naoto Yonemura, Hiroshima, JP;

Hiroyuki Miyata, Hiroshima, JP;

Hideki Nagao, Hiroshima, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25J 1/00 (2006.01); F25J 3/06 (2006.01); F25J 3/02 (2006.01); F04D 17/12 (2006.01);
U.S. Cl.
CPC ...
F25J 1/0027 (2013.01); F04D 17/12 (2013.01); F25J 3/0266 (2013.01); F25J 3/067 (2013.01); F25J 2215/04 (2013.01); F25J 2230/04 (2013.01); F25J 2230/20 (2013.01); F25J 2230/80 (2013.01); F25J 2235/80 (2013.01); F25J 2270/02 (2013.01); F25J 2270/80 (2013.01); Y02C 20/40 (2020.08);
Abstract

A compressing system includes a compression section that compresses a target gas to an intermediate pressure, which is equal to or higher than a critical pressure and lower than a target pressure to generate an intermediate supercritical fluid, a cooling section that cools the intermediate supercritical fluid generated in the compression section to near a critical temperature to generate an intermediate supercritical pressure liquid, and a pumping section that compresses the intermediate supercritical pressure liquid generated in the cooling section to a pressure that is equal to or higher than the target pressure. At least one of the intermediate supercritical pressure liquid compressed in the pumping section, a low-temperature liquid generated by extracting the intermediate supercritical pressure liquid on the upstream side of the pumping section to reduce pressure to near the critical pressure, and an external cooling medium is used as a cooling medium in the cooling section.


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