Automatic temperature and humidity regulation – With timing element – Timer other than clock
Patent
1998-09-01
1999-11-23
Tanner, Harry B.
Automatic temperature and humidity regulation
With timing element
Timer other than clock
236 20R, F24H 920
Patent
active
059885165
ABSTRACT:
A heating and cooling system, particularly for water, provides advantages in safety, reliability and efficiency of temperature regulation systems for liquids. A temperature regulation unit is controlled by a controlling device. A sensing unit is relied upon to detect a particular liquid temperature and a safety unit enables the temperature regulation unit to be disabled. A reset device connectable to a power source via a transforming unit is adapted to lower the voltage level of the power source to a level safe for use by a user. The reset device is operable to reset the safety unit, thus enabling a controller unit to again operate the temperate regulation unit. In a preferred embodiment, the controller unit operates the temperature regulation unit through the safety unit, such that when the safety unit is activated, power cannot be transferred to the temperature regulation unit.
REFERENCES:
patent: 3979059 (1976-09-01), Davis et al.
patent: 4256258 (1981-03-01), Sekiya
patent: 4508261 (1985-04-01), Blank
patent: 4522333 (1985-06-01), Blau, Jr. et al.
patent: 4529121 (1985-07-01), Furth
Sola-Kleen Pty. Ltd.
Tanner Harry B.
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