G - Physics – 05 – D
Patent
G - Physics
05
D
341/12
G05D 22/02 (2006.01) F22B 1/30 (2006.01) F22D 1/30 (2006.01) F24F 6/02 (2006.01)
Patent
CA 1287145
TO WHOM IT MAY CONCERN - BE IT KNOWN THAT I, RAYMOND HERBERT EATON-WILLIAMS, of "Heathers", Farnaby Drive, Sevenoaks, Kent TN13 2LQ, England, have invented certain new and useful HUMIDIFIER CONTROL MEANS of which the following is a specification - ABSTRACT OF THE DISCLOSURE A humidifier boiler has a plurality of electrodes supplied with electric current through power control means which include at least one solid state switch or relay such as inverse parallel thyristors or triacs arranged to switch at zero voltage so that, when the humidifier is called upon to vary the quantity of water vapour output from the boiler through an outlet pipe in response to a control signal from a humidity controller, the control signal causes the duration of the "on" and/or "off" periods of the, or each, solid state switch or relay to be varied in order to vary the power to the electrodes.
536641
Eaton-Williams Raymond H.
Eaton-Williams Group Limited
Fetherstonhaugh & Co.
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