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Patent Searching and Data


Title:
HOT-WATER SUPPLY AND HEATING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/046978
Kind Code:
A1
Abstract:
Provided is a hot-water supply and heating system configured so that a single water pump is used in common for both heat storing operation and heating operation, wherein the temperature of hot water flowing into a hot-water storage tank can be increased during heat storing operation. A hot-water supply and heating system is provided with: a heat storing water passage by which a first water outlet 25 of a hot-water storage tank 2, a water pump 11, a water heater 100, and a first water inlet 26 of the hot-water storage tank 2 are connected in this order; a heating water passage by which a second water inlet 28 into which water returned from an external heating device enters, the water pump 11, the water heater 100, and a second water outlet 27 out of which water supplied to the heating device flows are connected in this order; and a switching valve 6 for switching between the heat storing water passage and the heating water passage. The heat storing water passage and the heating water passage have portions overlapping each other, and pressure loss in the heat storing water passage is higher than that in the heating water passage.

Inventors:
NAITO SHUHEI (JP)
MATSUMURA YASUNARI (JP)
IIDA KYOHEI (JP)
SAKUMA TOSHIYUKI (JP)
Application Number:
PCT/JP2014/075703
Publication Date:
March 31, 2016
Filing Date:
September 26, 2014
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24H1/18; F24D3/18; F24H1/00
Foreign References:
JP2006010187A2006-01-12
JPH11153329A1999-06-08
Other References:
See also references of EP 3199884A4
Attorney, Agent or Firm:
TAKADA, Mamoru et al. (JP)
Takada 守 (JP)
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