Global Patent Index - EP 2020575 A1

EP 2020575 A1 2009-02-04 - HOT WATER SUPPLY DEVICE

Title (en)

HOT WATER SUPPLY DEVICE

Title (de)

VORRICHTUNG ZUR WARMWASSERVERSORGUNG

Title (fr)

DISPOSITIF D'ALIMENTATION EN EAU CHAUDE

Publication

EP 2020575 A1 (EN)

Application

EP 07742742 A

Priority

  • JP 2007059307 W
  • JP 2006142620 A

Abstract (en)

An object of the invention is, for example, to provide a hot water supply device capable of using the heat energy remained in the warm water used for the predetermined application such as the remaining hot water of a bath tub for heating the water by a simple structure. The hot water supply device of the present invention allows the heat energy of the remaining hot water in the bath tub to be recovered by the water flowing out from the lower part of the hot water storage tank heated by a gas cooler. Hence, it is unnecessary to recover the heat energy of the remaining hot water in the bath tub by a refrigerant circulating in a refrigerant circuit of a heat pump unit, and by a simple structure of only piping for water circulation, the heat energy of the remaining hot water of the bath tub is used in heating the water.

IPC 8 full level (invention and additional information)

F24H 1/00 (2006.01); F24D 17/00 (2006.01)

CPC (invention and additional information)

F24D 17/02 (2013.01); F24D 2200/20 (2013.01)

Citation (search report)

See references of WO 2007135843A1

Designated contracting state (EPC)

DE FR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family

EP 2020575 A1 20090204; JP 2007315620 A 20071206; WO 2007135843 A1 20071129