Title:
COOLING MEDIUM HEATING APPARATUS AND HEATING CAPACITY CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2007/105669
Kind Code:
A1
Abstract:
A cooling medium heating apparatus by which controllability can be improved and
power consumption can be reduced, and a heating capacity control method for such
apparatus are provided. A cooling medium heating apparatus (4) is provided with
a heater (12) and a control section (17). The heater (12) heats a cooling medium. The
cooling medium flows inside of a cooling medium circuit (10). The control section
(17) controls operation of the heater (12). The control section (17) controls
the heater (12) to start heating of the heater (12) when the operation frequency
of a compressor (22) is at a maximum operation frequency. The maximum operation
frequency is the maximum value of the operation frequency of the compressor (22).
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Inventors:
YABU TOMOHIRO (JP)
YOSHIMI ATSUSHI (JP)
YOSHIMI ATSUSHI (JP)
Application Number:
PCT/JP2007/054776
Publication Date:
September 20, 2007
Filing Date:
March 12, 2007
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
YABU TOMOHIRO (JP)
YOSHIMI ATSUSHI (JP)
YABU TOMOHIRO (JP)
YOSHIMI ATSUSHI (JP)
International Classes:
F25B13/00; F25B1/00; F25B41/00; F25B47/02
Foreign References:
| JPH03102145A | 1991-04-26 | |||
| JPH09170838A | 1997-06-30 | |||
| JPS5888569A | 1983-05-26 | |||
| JP2002005537A | 2002-01-09 |
Attorney, Agent or Firm:
ONO, Yukio et al. (South Forest Bldg. 1-4-19, Minamimori-machi, Kita-k, Osaka-shi Osaka, JP)
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