[12] Patent
[11] Patent No.:GC0004590  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2016                32/2016  
Number of the Decision to Grant the Patent:2016/90373
Date of the Decision to Grant the Patent:29/Dec/2016

[21] Application No.:GCC/P/2009/14212

[22] Filing Date:31/8/2009

[30] Priority:

[33] State [32] Priority date [31] Priority No.

[72] Inventors:1- LIN, Chun،2- MILLER, Eric Alan،3- PELFREY, Roy Ronald،4- SUN, Yan Tao،5- JUN, Fan Jian

[73] Owner: Fisher Controls International LLC, 8100 West Florissant Avenue K-Annex St. Louis, 63136, Missouri, USA

[74] Agent: Suleiman I. Al-Ammar Law Office




F16K39/02, 1/38

[56] Cited Documents:

-US 5236014 A (BULS MEL V IN L [US] ET AL) 17 August 1993
-US 3631894 A (FRANTZ V IRG I L L) 4 January 1972
-US 3439711 A {SHERWOOD JOHN F ET AL) 22 April 1969
-US 1867195 A (TELLER MARTIN P)12 July 1932
Examiner: Eng. Fahad M. AlBaker

[57] 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.
No. of claims: 25     No. of figures: 11


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