The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 11, 2014
Filed:
Jan. 16, 2008
Terrence J. Knowles, Barrington, IL (US);
Brian J. Truesdale, Waukonda, IL (US);
Kenneth A. Albrecht, Zion, IL (US);
Slawomir P. Kielian, Des Plaines, IL (US);
Terrence J. Knowles, Barrington, IL (US);
Brian J. Truesdale, Waukonda, IL (US);
Kenneth A. Albrecht, Zion, IL (US);
Slawomir P. Kielian, Des Plaines, IL (US);
Illinois Tool Works Inc., Glenview, IL (US);
Abstract
A level sensor for determining the presence or absence of a liquid in contact with the sensor includes an elongate probe, a transducer operably connected to the probe and configured to produce compressional waves in the probe, and circuitry for detecting acoustic energy emitted into the liquid when liquid is in contact with the probe. A mount for the releasably holding the sensor includes a base have a receiving region formed in part by a plurality of flexible securing fingers. The fingers have locking projections extending therefrom. A contact is mounted to the base and extends into the receiving region. A cartridge supports the level sensor and is received in the receiving region. The cartridge includes a circumferential recess for receiving the securing fingers. When the level sensor is positioned in the cartridge and the cartridge is inserted into the base, the level sensor is operably connected to the contact and the cartridge is resiliently secured in the base.