POWER REGULATOR Russian patent published in 1995 - IPC

FIELD: electric heating appliances. SUBSTANCE: power regulator has bimetal controller which is essentially L-shaped bimetal strip with indirect-heating resistive element, bimetal expansion device, high-speed switch, camshaft, shaft locking gear, pusher, movable and fixed control contacts. Pusher has longitudinal slot embracing camshaft and two cylindrical and diamond-shaped projections; cylindrical projection rests on V-shaped spring-loaded contact holder and diamond-shaped projection, on flat-shaped spring-loaded contact holder; both contact holders are fixed in overhanging position on either side of shaft and each has silver-containing control contact. EFFECT: improved design. 2 dwg