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. 04, 2020
Filed:
Oct. 20, 2011
Terence J. Knowles, Glenview, IL (US);
Brian J. Truesdale, Glenview, IL (US);
Kenneth A. Albrecht, Glenview, IL (US);
Charles F. Bremigan, Iii, Glenview, IL (US);
Terence J. Knowles, Glenview, IL (US);
Brian J. Truesdale, Glenview, IL (US);
Kenneth A. Albrecht, Glenview, IL (US);
Charles F. Bremigan, III, Glenview, IL (US);
Illinois Tool Works Inc., Glenview, IL (US);
Abstract
An ultrasonic sensor for detecting the presence or absence of an aerated fluid includes a probe having a first solid portion and a second hollow portion. The probe has a closed end at the hollow portion. The solid portion and the hollow portion define an interface therebetween. A transducer element is mounted to the probe at about the solid portion. The transducer element is configured to transmit an ultrasonic signal through the solid portion into the hollow portion and to receive reflections of the ultrasonic signal to determine the presence or absence of a fluid and/or an aerated fluid.