Title:
METHOD AND APPARATUS FOR SUPPLYING HOT WATER BY CONTROLLING THE NUMBER OF PULSES APPLIED TO A HEATER
Document Type and Number:
WIPO Patent Application WO/2011/062363
Kind Code:
A2
Abstract:
The invention relates to an apparatus for supplying hot water, which controls the number of pulses to be applied to a heater, comprising: a first heater which has a first preset capacity, and which is arranged in a water inlet unit in order to heat the water fed into the water inlet unit; a second heater which has a second preset capacity larger than the first preset capacity, and which is arranged in a water outlet unit in order to heat the water fed out to the water outlet unit; and a control unit which calculates heater operating cycles for the first heater and the second heater using a zero-crossing control method according to the temperature of the water fed into the water inlet unit and the preset heating temperature of the water discharged from the water outlet unit, and controls the number of pulses to be applied to the first heater and to the second heater, respectively, in accordance with the calculated heater operating cycles, in order to operate the first heater and the second heater.
Inventors:
LEE YOUNG-HYUCK (KR)
KIM JONG-MIN (KR)
KANG TAE-KYUNG (KR)
KIM JONG-MIN (KR)
KANG TAE-KYUNG (KR)
Application Number:
PCT/KR2010/006692
Publication Date:
May 26, 2011
Filing Date:
September 30, 2010
Export Citation:
Assignee:
WOONGJIN COWAY CO LTD (KR)
LEE YOUNG-HYUCK (KR)
KIM JONG-MIN (KR)
KANG TAE-KYUNG (KR)
LEE YOUNG-HYUCK (KR)
KIM JONG-MIN (KR)
KANG TAE-KYUNG (KR)
International Classes:
F24H9/18; A47K11/08; F24H9/20
Foreign References:
| KR100684373B1 | 2007-02-20 | |||
| KR100666130B1 | 2007-01-09 | |||
| KR100631339B1 | 2006-09-27 | |||
| JP2004116206A | 2004-04-15 |
Other References:
None
See also references of EP 2503258A4
See also references of EP 2503258A4
Attorney, Agent or Firm:
C&S LOGOS PATENT AND LAW OFFICE (KR)
특허법인 씨엔에스·로고스 (KR)
특허법인 씨엔에스·로고스 (KR)
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