Patent ID: 6195013
Filing Date: 2001-02-27
Classification: G01F,H01H,Y10T

Abstract:
A float sensor comprising:a mounting bracket having a flange for mounting in sealing engagement to a wall of a liquid container, the mounting bracket having an electrical connector on a first side of the flange and a cylindrical sleeve on a side of the flange opposite the electrical connector;a float positioning tube having a first end forming a hermetic seal with the cylindrical sleeve on the mounting bracket and a second end extending away from the mounting bracketa reed switch housing forming a hermetic seal with the second end of the float positioning tube;a float stop formed on the reed switch housing;a reed switch contained within the reed switch housing and electrically connected to the electrical connector; anda float containing a magnet captured by a downwardly extending portion of the reed switch housing and constrained to move between a position below the stop to a position engaged with the stop, the total motion towards and away from the stop being between about 6 mm (0.25 inches) and about 25 mm (1.0 inches), the reed switch housing having resilient barbs which engage and retain the float.