Electric heating – Heating devices – With current connection and/or disconnection means
Patent
1984-05-14
1986-01-21
Paschall, M. H.
Electric heating
Heating devices
With current connection and/or disconnection means
219510, 219491, 219494, 337309, 337306, 337321, 200 83B, H05B 102
Patent
active
045659206
ABSTRACT:
This invention relates generally to thermal control apparatus wherein a change in temperature is transmitted from a sensing bulb through a capillary to a control device. More particularly this invention is related to a novel, fail-safe control device for use in conjunction with a temperature sensing bulb, capillary, and control device in an oven or other heating facility whereby a loss of pressure within the bulb, capillary, control device system will cause the heating device to be shut off and thus will prevent the oven or other heating facility from being overheated.
REFERENCES:
patent: 2889432 (1959-06-01), Miller
patent: 3465112 (1969-09-01), Reichert et al.
patent: 3784772 (1974-01-01), Nelson
patent: 3882439 (1975-05-01), Wolfe
Durst Paul T.
Theiss John J.
Paschall M. H.
Temp. Systems, Inc.
Weber Edward R.
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