THERMAL INDICATOR Russian patent published in 1998 - IPC

FIELD: instruments. SUBSTANCE: device has housing which contains window and information element which has stationary member and rotation member which is mounted for alternating closing-opening of right and left halves of stationary member. Left and right halves of stationary member of information element have different information color which corresponds to information color of surface of rotation member of information element. Goal of invention is achieved by introduced two temperature-sensitive elements and two temperature-stable dielectric holders. Temperature-sensitive elements are arc-shaped. Their one end is rigidly mounted on back side of information element in corresponding holder. Free ends of information element in left and right sides of stationary member of information element have different information color and are shown on front side so that they separate stationary and rotation members. Clamped ends of temperature-sensitive elements are designed as electric heaters with independent control inputs and one shared input. EFFECT: increased functional capabilities. 2 dwg