Heater and control system

Details Heater and control system Heater and control system

1974-12-23

1976-09-21

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

174 52PE, 219505, 219528, 219530, 219217, H05B 102

Patent

active

039820980

ABSTRACT:
A heater for water beds, and a heater control system for the heater, with the control system located in the same structure envelope that houses the heater elements. The control system has temperature sensing elements packaged together with power supply circuitry and utilizes heat sinks to thermally isolate the temperature sensing elements. The control system includes circuitry to prevent the heater from overheating under any conditions, and the heater itself is a flexible pad-like structure that produces uniform heating over its surface. This integrated system heats the water in a water bed to a preselected temperature and keeps it at the selected temperature. Electrostatic shielding of circuitry components is capacitative to avoid capacitive coupling problems inherent in having electrical circuitry adjacent to a large body of water.

REFERENCES:
patent: 3041441 (1962-06-01), Elbert et al.
patent: 3098950 (1963-07-01), Geshner
patent: 3173419 (1965-03-01), Dubilier et al.
patent: 3178560 (1965-04-01), Mapp et al.
patent: 3616533 (1971-11-01), Heap et al.
patent: 3657517 (1972-04-01), Hoyt
patent: 3699394 (1972-10-01), Schuler
patent: 3780262 (1973-12-01), Rudd
patent: 3790753 (1974-02-01), Miller
patent: 3803386 (1974-04-01), Rodrigues
patent: 3819905 (1974-06-01), Trostler

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