OVERTEMPERATURE SWITCH Russian patent published in 2001 - IPC

FIELD: overtemperature alarms, temperature sensors, thermal switches, thermal fire alarms. SUBSTANCE: overtemperature switch has shroud accommodating movable and fixed contacts as well as temperature sensing member made of foil material possessing shape memory effect in the form of chute. Movable contact has movable and fixed parts; movable part has two side mounts with bent ends and with spring-loaded running gear in-between; temperature sensing member is mounted under running gear on side mounts. EFFECT: facilitated manufacture, reduced time lag, improved economic efficiency due to saving high-cost materials with shape memory effect. 3 dwg