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Title:
REFRIGERANT NATURAL CIRCULATION TYPE COOLING SYSTEM
Document Type and Number:
Japanese Patent JP3800340
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To promptly and suitably blow out temperature-conditioned air at a predetermined temperature at a start of cooling operation by simple improvement.
SOLUTION: Operation control such as driving of a blower fan is conducted in accordance with output of an operation signal by turning on an operation switch (S1). Then, it is determined that an operation mode is a cooling mode (S3), and whether a temperature difference ΔT is more than a set temperature difference, or the operation is started or not is determined (S4). When it is determined that the temperature difference ΔT is not more than the set temperature difference, or the operation is not started, a process shifts to a step S5 to conduct start control and open a gas venting valve. Then, it is determined whether the operation is started or not (S6), and it is determined that the operation is started, the process shifts to a step S7 to conduct steady control to close the gas venting valve, and shifts to a steady cooling operation state conducted by opening adjustment of a temperature control valve 7.


Inventors:
Setsuo Kaneda
Naoto Sumi
Kosuke Nishibata
Application Number:
JP2003424898A
Publication Date:
July 26, 2006
Filing Date:
December 22, 2003
Export Citation:
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Assignee:
TAKENAKA CORPORATION
International Classes:
F24F5/00; F24F11/02; (IPC1-7): F24F5/00; F24F11/02
Domestic Patent References:
JP2000292025A
Attorney, Agent or Firm:
Tsutomu Sugiya