EP 0567199 A1 19931027 - Tap water boiler.
Title (en)
Tap water boiler.
Title (de)
Brauchwasserkessel.
Title (fr)
Accumulateur d'eau chaude sanitaire.
Publication
Application
Priority
NL 9200745 A 19920423
Abstract (en)
A tap water boiler (1) comprising a closed water tank (2) having a first connection (8) for supplying cold water, a second connection (9) for tapping hot water, as well as a closed tubing (3) placed in the water tank, through which tubing (3), in operation, hot water provided by a suitable hot water source circulates, wherein the tubing comprises a freely mounted double wound coil having an outer helically bent tube (32) and an inner helically bent tube (33), which double wound coil extends over a relatively small height compared to the height of the water tank. <IMAGE>
IPC 1-7
IPC 8 full level
F24D 3/08 (2006.01)
CPC (source: EP)
F24D 3/082 (2013.01)
Citation (search report)
- [XD] EP 0320678 A2 19890621 - VIESSMANN HANS
- [A] DE 1779233 A1 19711104 - JUNKERS & CO
Designated contracting state (EPC)
DE GB NL
DOCDB simple family (publication)
EP 0567199 A1 19931027; EP 0567199 B1 19970312; DE 69308624 D1 19970417; DE 69308624 T2 19971002; NL 9200745 A 19931116
DOCDB simple family (application)
EP 93201180 A 19930422; DE 69308624 T 19930422; NL 9200745 A 19920423