THERMOSTATIC SWITCH Russian patent published in 1995 - IPC

FIELD: electrical engineering. SUBSTANCE: thermostatic switch has enclosed-space casing that carries fixed contacts, connecting member soldered with heat-sensitive substance to fixed contacts, flat spring whose pressure is imparted to connecting member from top; spring is attached to one of fixed contacts and tends to displace connecting member to definite position. In case of inadmissible heating of electrical appliance or device protected by thermostatic switch, heat-sensitive substance melts. Connecting strip abruptly turns by spring action to idle position and sinks in space thereby breaking off other fixed contact. Electric circuit incorporating thermostatic switch opens. EFFECT: simplified design and reduced size of thermostatic switch. 2 cl, 11 dwg