Patent ID: 7568835
Filing Date: 2009-08-04
Classification: G01D,G01K

Abstract:
1. Temperature sensor with a temperature-dependent actuating device comprising a capillary tube which is filled with a gaseous or liquid medium which—in case of temperature changes along a measuring distance formed by the capillary tube—effects a pressure or volume change and which comprises a path transmission element which is provided medium-tight at one end of the capillary tube and exerts a stroke movement depending on the pressure or volume in the capillary tube, and with a sensor which is designed as a Hall-effect probe and which detects, contact-free, the stroke movement of the path transmission element via a magnet arranged on the path transmission element or a section pointing toward the Hall-effect probe on the path transmission element of a magnetic material, characterized in that the path transmission element is fixed on the housing bottom, and that a printed circuit board taking up the Hall-effect probe is arranged physically separate from the path transmission element on a further housing section adjacent to or opposite the housing bottom of the housing.