[12] Patent
[11] Patent No.:GC0009427  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2018                56/2018  
Number of the Decision to Grant the Patent:2018/141990
Date of the Decision to Grant the Patent:20/Dec/2018

[21] Application No.:GC 2013-24376

[22] Filing Date:11/5/2013

[30] Priority:

[33] State [32] Priority date [31] Priority No.
US
14/5/2012
13/470.846

[72] Inventors:1- PARRIE, Timothy Randall،2- HUTCHENS, Wilbur Dean،3- CHERRY, Steven Douglas

[73] Owner: FISHER CONTROLS INTERNATIONAL LLC, 205 South Center St., Iowa 20158, Marshalltown, USA

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

  

 

  

[51]IPC:
Int. Cl.: F16K 1/226, 5/06 (2006.01)

[56] Cited Documents:

-US 4 898 363 A (BURTON PHILIP J [GB])6 February 1990
-US 3 905 577 A (KARPENKO ANATOLE N)16 September 1975
-JP 2005 127412 A (TOMOE TECH RES CO)19 May 2005
-US 5 950 367 A (STARKE WILFRIED [DE])14 September 1999
-US 6 244 567 Bl (ROBBINS NORM L [US])12 June 2001
-US 6 138 989 A (LYNCH C THOMAS [US])31 October 2000
-JP S57 184767 A (OSHIMA TAKAKAZU)13 November 1982
-JP 2008 014378 A (KUBOTA KK)24 January 2008
-DE 297 08 230 U1 (KEMPCHEN 8 CO GMBH [DE];ASP ARMATUREN SCHILLING PUSPAS [DE])7 August 1997
-US 2007/215834 A1 (HELFER WADE J [US] ETAL HELFER WADE JONATHON [US] ET AL)20 September 2007
 
Examiner: Eng. Fahad M. AlBaker

[54] SEAL RING ASSEMBLIES FOR USE WITH ROTARY VALVES
[57] Abstract: Seal ring assemblies for use with rotary valves and methods to manufacture the same are disclosed. A seal ring assembly is described that includes a ring-shaped seal to be fixed within the rotary valve, where the seal enables the sealing engagement of a control member with a flow control aperture. The seal is compressed between a first seal clamp and a second seal clamp by a compressive force maintained by a plurality of fasteners extending through the seal and fixed to the first and second seal clamps.
No. of claims: 23     No. of figures: 10


 

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