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. 04, 2012
Filed:
Sep. 02, 2008
Chun Lin, McKinney, TX (US);
Eric Alan Miller, McKinney, TX (US);
Roy Ronald Pelfrey, Sherman, TX (US);
Yan Tao Sun, Zhejiang, CN;
Fan Jian Jun, Shanghai, CN;
Chun Lin, McKinney, TX (US);
Eric Alan Miller, McKinney, TX (US);
Roy Ronald Pelfrey, Sherman, TX (US);
Yan Tao Sun, Zhejiang, CN;
Fan Jian Jun, Shanghai, CN;
Emerson Process Management Regulator Technologies, Inc., McKinney, TX (US);
Abstract
Fluid flow control members for use with valves are described herein. An example fluid flow control member for use with a valve includes a body having a first seating surface to control a flow of fluid through the valve. The body defines a second seating surface opposite the first seating surface to control a flow of fluid through the valve. Additionally, the body defines an aperture to receive a stem of the valve, and a bore surrounded by the first seating surface to receive at least one of a seal or a sliding member each of which have a first surface to be engaged by a second surface of a spring seat coupled to the stem to control a fluid flow through the valve.