Title:
極低温冷凍装置
Document Type and Number:
Japanese Patent JP6847966
Kind Code:
B2
Abstract:
Cryogenic refrigeration device comprising a working circuit intended to cool a working fluid circulating in the said circuit, the working circuit comprising, arranged in series in a loop: a compression portion, a cooling portion, a portion with valve(s), an expansion portion and a reheating portion, in order to subject the working fluid to a recuperative working cycle comprising compression, then cooling, then expansion and then reheating to prepare for a new cycle, wherein the compression portion comprises at least one compressor having a linear piston driven by a linear motor, the expansion proportion comprises at least one expander with a linear piston, the portion with valve(s) comprises at least one regulating valve linearly actuated by a linear motor and controlled in order to supply or extract the working fluid from the at least one expansion piston.
Inventors:
Fabian Durand
Application Number:
JP2018538871A
Publication Date:
March 24, 2021
Filing Date:
January 17, 2017
Export Citation:
Assignee:
Rail Liquide-Societe Anonym Pools Retude e Rex Prosatation de Procede Georges Claude
International Classes:
F25B9/14; F04B35/02; F04B35/04; F25B9/06
Domestic Patent References:
| JP5180558A | ||||
| JP45004787B1 | ||||
| JP58028577A |
Foreign References:
| US20120117984 | ||||
| US20150369528 | ||||
| US20150052887 |
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Naoki Kono
Tadashi Inoue
Ukai Ken
Shigeru Iino
Nobuhisa Nogawa
Naoki Kono
Tadashi Inoue
Ukai Ken
Shigeru Iino