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:
Sep. 03, 2019
Filed:
Jun. 07, 2016
Illinois Tool Works Inc., Glenview, IL (US);
Scott E. Shirey, Telford, PA (US);
Andrew C. Dymek, Ivyland, PA (US);
Sean C. Dunn, Drescher, PA (US);
Joseph C. Dille, Telford, PA (US);
ILLINOIS TOOL WORKS INC., Glenview, IL (US);
Abstract
The disclosed embodiments include a valve assembly () that includes a piezo stack (); a piezo actuator () encompassing the piezo stack, the piezo actuator having flexural elements () that provide a stroke multiplier that amplifies movement of the piezo stack; a valve block () having an inlet flow path () and an outlet flow path (); a diaphragm () seated atop the valve block, wherein an outer part of the diaphragm is rigid and an inner part of the diaphragm is moveable in a vertical axis; and a bi-lateral flexure (), wherein a bottom part of the piezo actuator is mechanically attached to the diaphragm via the bi-lateral flexure.