H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/192
H01H 35/24 (2006.01) H01H 35/34 (2006.01)
Patent
CA 1119646
Docket 9D-RG-12932-Durst TEMPERATURE RESPONSIVE CONTROL DEVICE WITH IMPROVED HYDRAULIC DIAPHRAGM ABSTRACT OF THE DISCLOSURE A temperature responsive control device is provided for controlling an electric oven. The device is comprised of a housing which contains an electrical switching means which is controlled by a temperature sensitive expansible member through a snap- acting spring mechanism. The expansible member consists of a hydraulic diaphragm, a fluid filled capillary tube and a temperature-sensing bulb. The hydraulic diaphragm is composed of two generally circularly shaped plates which are welded together at their edges. The top of the diaphragm contains a circular stud the top of which is conically shaped and is re- ceived into a conical bearing recessed into the shaft of a rotatable temperature setting means. One corner of the diaphragm is formed to fit into a notch in the interior of the housing. One end of the capillary tube is inserted directly into a small inwardly extending channel in the edge of the diaphragm and the other end contains the temperature-sensing bulb.
313328
Company General Electric
Eckersley Raymond A.
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