Title:
UNIVERSAL DEVICE FOR CHECKING THE WATER LEVEL IN STEAM BOILERS
Document Type and Number:
WIPO Patent Application WO2005024300
Kind Code:
A3
Abstract:
The present invention is about a universal device for checking the water level in steam boilers of household appliances, provided with a bulb thermostatic feeler (32) which allows to maintain almost constant the water level in the boiler (10) and thus the quantity and quality of produced steam, by intermittently activating for short intervals the cold water loading pump thanks to the intervention of an electric resistance (28) for preheating the water coming into the pump.
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Inventors:
SENNO ILARIA (IT)
Application Number:
PCT/EP2004/010023
Publication Date:
April 21, 2005
Filing Date:
September 08, 2004
Export Citation:
Assignee:
SENNO ILARIA (IT)
International Classes:
F22B1/28; F22B37/78; (IPC1-7): F22B37/78; F22B1/28
Foreign References:
| DE4304532A1 | 1994-08-18 | |||
| EP1221570A2 | 2002-07-10 | |||
| US5881207A | 1999-03-09 | |||
| DE19602424A1 | 1997-07-31 |
Other References:
PFISTER K ET AL: "ELEKTROTHERMISCHER NIVEAUWAECHTER", SIEMENS ZEITSCHRIFT, SIEMENS-ZEITSCHRIFT. ERLANGEN, DE, vol. 42, no. 9, September 1968 (1968-09-01), pages 746 - 748, XP002005917
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