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:
Jun. 18, 2019
Filed:
Sep. 28, 2016
Dezurik, Inc., Sartell, MN (US);
Douglas J. Tanner, Sartell, MN (US);
Forrest Halvorson, Becker, MN (US);
David G. Hildebrandt, St. Cloud, MN (US);
Donald L. Bartell, Jr., Beaver Falls, PA (US);
Dennis Jay Smith, Jr., Pittsburgh, PA (US);
Timothy M. O'Shea, Palatine, IL (US);
DeZURIK, Inc., Sartell, MN (US);
Abstract
Embodiments include a check valve that comprises a valve body defining an inlet port and an outlet port; a disc disposed within the valve body, wherein the disc is coupled to a pivot shaft and the pivot shaft is coupled to the valve body; a lever arm coupled to the disc, wherein when the disc rotates the lever arm rotates; an actuator shaft couple to a motor, and a first interference element coupled to the actuator shaft, wherein the lever arm contacts the first interference element when the disc is in a maximum open position; wherein when the motor rotates the actuator shaft moves longitudinally along its axis to move the first interference element thereby changing the maximum open position. Other embodiments are also included herein.