Global Patent Index - EP 0992743 A2

EP 0992743 A2 2000-04-12 - Gas boiler with means for accumulating and maintaining hot water for domestic use

Title (en)

Gas boiler with means for accumulating and maintaining hot water for domestic use

Title (de)

Gaskessel mit Mitteln für die Speicherung und Warmhaltung von Brauchwasser

Title (fr)

Chaudière à gaz avec moyens pour accumuler et maintenir chaude de l'eau sanitaire

Publication

EP 0992743 A2 (EN)

Application

EP 99107878 A

Priority

IT MI982179 A

Abstract (en)

A boiler for producing hot water for heating and for domestic use, of the type comprising a first hydraulic circuit (1) for heating the water destined for a heating system, said first circuit comprising means (2) for the forced circulation of the water through said first circuit, first means (3, 16) for generating heat and transferring it to the water, valve means (4) for conveying the heated water to a delivery pipe (7) or to second heat exchanger means (25) arranged to transfer at least part of the heat of the heated water to the water for domestic use circulating through a second hydraulic circuit (5), expansion means (17) for automatically adjusting the pressure of the water circulating through the primary circuit as its temperature varies, and means for accumulating and maintaining a predetermined quantity of heated water in the primary circuit within a predetermined temperature range, said accumulating and maintaining means being connected to the primary circuit in such a manner as to make available to the second heat exchanger means (25) said predetermined quantity of heated water at least during an initial stage in the heating of the water for domestic use circulating through the second circuit; wherein the expansion means (17) comprise means (20, 21, 23) for integrating into the expansion means said means for accumulating and maintaining the heated water. <IMAGE>

IPC 1-7 (main, further and additional classification)

F24H 1/50; F24D 3/10

IPC 8 full level (invention and additional information)

F24D 3/10 (2006.01); F24H 1/50 (2006.01)

CPC (invention and additional information)

F24D 3/1016 (2013.01); F24D 3/1008 (2013.01); F24D 3/1041 (2013.01); F24H 1/50 (2013.01)

Designated contracting state (EPC)

AT BE DE ES FR IT

EPO simple patent family

EP 0992743 A2 20000412; EP 0992743 A3 20020814; EP 0992743 B1 20041208; AT 284521 T 20041215; DE 69922463 D1 20050113; IT 1302641 B1 20000929; IT MI982179 A1 20000410; TR 9902491 A2 20000522; TR 9902491 A3 20000522

INPADOC legal status


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2005-11-30 [26N] NO OPPOSITION FILED

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