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. 08, 2022
Filed:
Jun. 13, 2019
Applicant:
Fisher Controls International Llc, Marshalltown, IA (US);
Inventor:
Timothy Arthur McMahon, Marshalltown, IA (US);
Assignee:
Fisher Controls International LLC, Marshalltown, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 47/08 (2006.01); F16K 1/06 (2006.01); F16K 27/00 (2006.01);
U.S. Cl.
CPC ...
F16K 47/08 (2013.01); F16K 1/06 (2013.01); F16K 27/003 (2013.01);
Abstract
Methods, apparatus, and systems for valve trim apparatus for use with control valves are disclosed. An example apparatus includes a valve body including a fluid flow path between an inlet and an outlet. The example apparatus also includes valve trim positioned in the fluid flow path, the valve trim including first passageways that extend from the inlet to a first expansion cavity and second passageways that extend from the first expansion cavity to the outlet.