EP 1567812 A1 20050831 - ELECTRIC AND SOLAR WATER-HEATER SUPPLY AND RELIEF SYSTEM
Title (en)
ELECTRIC AND SOLAR WATER-HEATER SUPPLY AND RELIEF SYSTEM
Title (de)
ZUFÜHRUNGS- UND DRUCKENTSPANNUNGSANLAGE FÜR ELEKTRISCHEN- UND SOLARBEHEIZTEN WASSERERHITZER
Title (fr)
SYSTEME D'ALIMENTATION ET DE SURETE D'UN CHAUFFE-EAU ELECTRIQUE ET SOLAIRE
Publication
Application
Priority
- GR 0300047 W 20031015
- GR 2002100457 A 20021024
Abstract (en)
[origin: WO2004038305A1] Relief system of water-heater and hydraulic system, whereby the cold water inflow pipe (11) is placed above the water flow level of the water-heater (14) at which spot a multiple-relief valve (17) is fitted which introduces atmospheric air in case of a pressure drop in the network below atmospheric pressure, thus maintain water fullness in the water-heater, while at the same time allowing the relief of overpressure in the water-heater when it exceeds certain limits. Then, the water supply is directed towards the bottom of the water-heater through the single-pipe connection. The multiple-relief valve is fitted at a spot on the water inflow network, located above the upper water level (14) in the water-heater. The membrane valve (29) opens when the pressure exceeds the pressure safety levels and relieves the system. The air inflow valve (37) opens when there is a drop in the network pressure, thus preventing water-heater depletion. The benefits of this invention regards the 100% protection offered against overpressure in the water-heater, due to the communicating vessels effect and the prevention of the water-heater depletion, that may have uncontrollable and disastrous consequences. Also there is no valve or spring neither in the inlet nor the outlet of water, thus excluding all possibility of salt-formation and obstruction of its operation.
IPC 1-7
IPC 8 full level
F24H 9/12 (2006.01)
CPC (source: EP)
F24H 9/136 (2022.01)
Citation (search report)
See references of WO 2004038305A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004038305 A1 20040506; AT E500475 T1 20110315; AU 2003269287 A1 20040513; DE 60336260 D1 20110414; EP 1567812 A1 20050831; EP 1567812 B1 20110302; GR 1004388 B 20031118
DOCDB simple family (application)
GR 0300047 W 20031015; AT 03751066 T 20031015; AU 2003269287 A 20031015; DE 60336260 T 20031015; EP 03751066 A 20031015; GR 2002100457 A 20021024