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Class Information
Number: 137/601.08
Name: Fluid handling > Systems > Dividing into parallel flow paths with recombining > With common operator > Rotary valve > Axes of rotation parallel
Description:










Sub-classes under this class:

Class Number Class Name Patents
137/601.09 Adjacent plate valves always parallel 59
137/601.11 Adjacent plate valves counter rotate 26


Patents under this class:

Patent Number Title Of Patent Date Issued
8015992 Z valve Sep. 13, 2011
6273136 Differential valve, specifically a cabin air discharge valve in an aircraft, and method for regulating cabin pressure Aug. 14, 2001
5454757 Interchangeable gears for damper assemblies Oct. 3, 1995
5411438 Heating, ventilating and air-conditioning systems May. 2, 1995
5345966 Powered damper having automatic static duct pressure relief Sep. 13, 1994
4570533 Fluid deflecting assembly Feb. 18, 1986
4412556 Device for shutting off large pipes Nov. 1, 1983
4192098 Air damper apparatus particularly for heating, ventilating and air conditioning systems Mar. 11, 1980
4164976 Damper assembly Aug. 21, 1979
4113230 Rotating blade fire damper Sep. 12, 1978
4098289 Changeover device for controlling the movement of dosing frames Jul. 4, 1978
4043258 Louver linkage seal Aug. 23, 1977











 
 
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