Title:
不連続極低温混合ガス冷凍システム
Document Type and Number:
Japanese Patent JP3958214
Kind Code:
B2
Abstract:
A closed circuit refrigeration system of successive coalescent/depth filters provides the almost total removal of liquid refrigerants from a refrigeration gas stream. The liquid refrigerant so extracted is then be returned to the suction side through a metering device such as a capillary line to provide intermediate cooling of the oncoming discharge gas. The auto cascade system utilizes short path plate heat exchangers. The properties of coalescent/depth filters place a physical barrier between the differing temperature/pressure regimes on the discharge side of the system. The provision of a start valve in a line connecting the gas discharge path and the return path close to the cryo-coil enables the use of hermetic compressors and eliminates the requirement for supplementary pressure vessels within auto-cascade cryogenic refrigeration systems.
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Inventors:
Stenhouse James
Application Number:
JP2002561877A
Publication Date:
August 15, 2007
Filing Date:
November 09, 2001
Export Citation:
Assignee:
Tactical Fabs Inc.
International Classes:
F25B1/00; B01D5/00; B01D46/54; F25B9/00; F25B43/00
Domestic Patent References:
| JP9060992A | ||||
| JP7103587A | ||||
| JP5146626A | ||||
| JP4217761A |
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Nobuo Ogawa
Takaki Nishijima
Atsushi Hakoda
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Nobuo Ogawa
Takaki Nishijima
Atsushi Hakoda