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. 12, 2017
Filed:
Mar. 04, 2013
Applicant:
Illinois Tool Works Inc., Glenview, CA (US);
Inventors:
Assignee:
ILLINOIS TOOL WORKS INC., Glenview, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 7/00 (2006.01); G05D 7/06 (2006.01);
U.S. Cl.
CPC ...
G05D 7/0635 (2013.01);
Abstract
The disclosed embodiments include a method, apparatus, and computer program product for controlling the mass flow rate of a fluid. For example, the disclosed embodiments include a method and a mass flow controller configured to determine, using on valve hysteresis model, a valve drive necessary to generate a force to achieve a valve lift for moving an adjustable valve to a desired valve position based on a given flow setpoint for controlling the flow of a fluid.