Electrode boilers with cylinder full sensor control
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United States of America Patent
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-
Nov 8, 1994
Grant Date -
N/A
app pub date -
Jan 29, 1993
filing date -
Jan 29, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrode boiler comprising a container for containing water and electrodes within the container which serve to pass electrical current through such water and which are generally upright when the boiler is in use. Fill and drain valves are connected to the container to enable water to be fed to and drained from the container. An outlet of the container enables steam generated inside the container to pass out therefrom when the boiler is in use. A water level contact member is arranged to cause a signal to occur when the water in the container reaches a predetermined level. The boiler is provided with a store to store the value of an allowed time for water to boil away from the said predetermined level until the water is no longer in contact with the contact member. A timer is connected to time the actual time it takes for such boiling away to occur, and comparator is connected to the store and the timer to effect a comparison between the allowed time and the said actual time.
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