Class 137/625.31 - Rotary

Subclass of Class 137 - Fluid handling
Definition: Devices in which the valve unit rotates.
No. of applications: 3
Last issue date: 08/20/2009

Application No.	Application Title	Issue Date
20090205728	Disc Arrangement for Drilling or Production Choke or Valve A flow adjusting apparatus having a pair of discs can be used for a drilling or production choke or valve. A stationary disc fixedly positions in a flow passage and defines at least one first bore permitting fluid flow. A rotatable disc positions in the flow passage bet...	08/20/2009
20080236193	Motor-operated selector valve and refrigeration cycle device for refrigerators A motor-operated selector valve relating to refrigerating technology is provided. There are disadvantages, such as complicated assembly structure, big noise, vulnerability to interferences etc., in prior art. In the present invention, a slider is controlled by a stepper...	10/02/2008
20080173364	COMBINED ANODE INLET, ANODE BLEED, AND ANODE FLOW SHIFT VALVE MECHANISM A valve mechanism is disclosed, the valve mechanism including a rotor and stator adapted for selectively providing a flow of hydrogen to and selectively bleeding the hydrogen from a plurality fuel cell stacks....	07/24/2008

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