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Class Information
Number: 137/599.06
Name: Fluid handling > Systems > Dividing into parallel flow paths with recombining > Having digital flow controller > Having plural branches under common control for separate valve actuators
Description: Subject matter comprising two or more unique flow restriction passageways, a valve associated with each passageway, and a single control for selectively opening any one of the valves and maintaining each additional valve closed.










Sub-classes under this class:

Class Number Class Name Patents
137/599.07 Electromagnetic or electric control (e.g., digital control, bistable electro control, etc.) 52


Patents under this class:

Patent Number Title Of Patent Date Issued
8528314 Method and apparatus for combined cycle power plant startup Sep. 10, 2013
8403004 Variable flow rate controller Mar. 26, 2013
8215338 Method for controlling the progression of a fluid in a microfluidic component Jul. 10, 2012
8118061 Variable flow rate controller Feb. 21, 2012
7946310 System for controlling a plurality of turbomachine discharge valves May. 24, 2011
7661440 Device for selectively regulating the flow rate of a fluid Feb. 16, 2010
7455072 Device for selectively regulating the flow rate of a fluid Nov. 25, 2008
6997202 Gas storage and dispensing system for variable conductance dispensing of gas at constant flow rate Feb. 14, 2006
5875817 Digital gas metering system using tri-stable and bi-stable solenoids Mar. 2, 1999
5009251 Fluid flow control Apr. 23, 1991
4860535 Power plant for burning a fuel at high pressure and a gas turbine driven by the combustion gases Aug. 29, 1989
4132153 Metering control valve and fluid power system Jan. 2, 1979











 
 
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