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.

Date of Patent:
Jul. 30, 2019

Filed:

Mar. 10, 2017
Applicant:

Emerson Process Management Regulator Technologies, Inc., McKinney, TX (US);

Inventors:

Chun Lin, McKinney, TX (US);

Roy R. Pelfrey, Sherman, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/36 (2006.01); F16K 1/12 (2006.01); F16K 1/46 (2006.01); G05D 16/06 (2006.01);
U.S. Cl.
CPC ...
F16K 1/36 (2013.01); F16K 1/12 (2013.01); F16K 1/46 (2013.01); F16K 1/465 (2013.01); G05D 16/0638 (2013.01); Y10T 137/5283 (2015.04); Y10T 137/6082 (2015.04);
Abstract

A valve plug adapted for sealing engagement with a seat ring. The valve plug includes a cylindrical body with an annular flange having a groove. A pair of bores is disposed in the body, each bore having a first diameter, a first end, and a second end disposed within the body. Each bore is also adapted to receive a fastener to couple the valve plug to a mounting portion, and a recess is disposed at the second end of the bore, forming a stepped portion. The recess is adapted to receive at least one of a portion of a retainer or a portion of the fastener. A sealing disk is disposed within the groove of the annular flange and is one of a machined sealing disk or a molded sealing disk.


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