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:
May. 22, 2012
Filed:
Jan. 06, 2010
Applicant:
Charles R. Allen, Houston, TX (US);
Inventor:
Charles R. Allen, Houston, TX (US);
Assignee:
Daniel Measurement and Control, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/20 (2006.01); G01F 1/66 (2006.01); H01L 41/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A transducer assembly for an ultrasonic flow meter comprises a piezoelectric capsule. In an embodiment, the piezoelectric capsule includes a housing having a central axis, a first end, a second end opposite the first end, and a first inner chamber extending axially from the first end. In addition, the piezoelectric capsule includes a piezoelectric element disposed in the first inner chamber. Further, the piezoelectric element includes a plurality of spacers disposed in the first inner chamber between the piezoelectric element and the housing.