Device for electrically measuring a liquid level
Patent 4564881 Issued on January 14, 1986. Estimated Expiration Date: 
October 10, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 10, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesDevice for electric monitoring of the level of a liquid in a container Patent #: 4361037 InventorsAssigneeApplicationNo. 06/659472 filed on 10/10/1984US Classes:361/284, Liquid level73/295, Thermal type73/304CCapacitativeExaminersPrimary: Hix, L. T.Assistant: Lee, Douglas S. Attorney, Agent or FirmInternational ClassesG01F 23/26 (20060101)G01F 23/22 (20060101) G01F 23/24 (20060101) Foreign Application Priority Data1983-10-29 DEAbstractA device for electrically measuring the level of a liquid in a container has a protective tube (1) in which a conductive foil (5) is arranged untwisted. The protective tube (1) is made of two tube sections (2, 3) which are connected to each other by a joint (4). The joint (4) has a well-defined direction of bend as a result of reinforcing ribs (14, 15). This direction is such that the protective tube (1) can be bent only transverse to the plane of the conductive foil (5). The joint (4) is furthermore so developed that the tube sections (2, 3) are urged into a position in which they are aligned with respect to each other. In this way the device can be installed in a container in such a manner that the lower tube section (3), while forming an obtuse angle with the upper tube section (2), has its bottom end resting against a container bottom (16). | |
