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Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses
(AREA)
Abstract
Automatic water heating device, equipped with electrical resistances located inside an enclosure that constitutes a water tank, the supply of these resistances being controlled automatically by the fact that water is circulating or not in said reservoir, said device being characterized in that the said reservoir is divided into two parts by an elastic and impermeable membrane, to which a stem is associated, which slides out of the reservoir in a sealed and sliding manner, the protruding part of the stem being surrounded. By a compression spring that rests, at one end, on the outer face of the tank and at the other end, on the face facing a piece of insulating material that also serves as support for two movable contacts, mounted on it elastically by means of compression springs, said movable contacts located opposite to other fixed ones intended to feed the resistance or internal resistance of the tank, existing in the area of action of these pairs, of contacts a rotating piece of insulating material, controlled by an associated lever that exits to the outside of the device, in such a way that, in one position, said insulating part can remain on both fixed contacts, preventing the electrical contact of the mobiles with them. (Machine-translation by Google Translate, not legally binding)
ES1973196342U1973-10-161973-10-16
WATER HEATING DEVICE.
ExpiredES196342Y
(en)
Device for the automatic feeding of water to boilers, especially suitable for boiler of coffee machines (Machine-translation by Google Translate, not legally binding)