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Class Information
Number: 137/812
Name: Fluid handling > Flow affected by fluid contact, energy field or coanda effect (e.g., pure fluid device or system) > Means to cause rotational flow of fluid (e.g., vortex generator) > By tangential input to axial output (e.g., vortex amplifier)
Description: Device wherein the flow of fluid into the device is along a straight line that is substantially perpendicular to a radius line from said axis, and the flow of fluid out of the device is along said axis.










Sub-classes under this class:

Class Number Class Name Patents
137/813 With means to vary input or output of device 61


Patents under this class:
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Patent Number Title Of Patent Date Issued
8678035 Selectively variable flow restrictor for use in a subterranean well Mar. 25, 2014
8555924 Vortex flow control device Oct. 15, 2013
8534323 Control valves and methods of flowing a material through a control valve Sep. 17, 2013
8517106 Vortex controlled variable flow resistance device and related tools and methods Aug. 27, 2013
8517105 Vortex controlled variable flow resistance device and related tools and methods Aug. 27, 2013
8517107 Vortex controlled variable flow resistance device and related tools and methods Aug. 27, 2013
8517108 Vortex controlled variable flow resistance device and related tools and methods Aug. 27, 2013
8511714 Connector assemblies for flow restricting apparatuses Aug. 20, 2013
8453745 Vortex controlled variable flow resistance device and related tools and methods Jun. 4, 2013
8439117 Vortex controlled variable flow resistance device and related tools and methods May. 14, 2013
8408243 Valve device Apr. 2, 2013
8381817 Vortex controlled variable flow resistance device and related tools and methods Feb. 26, 2013
8376047 Variable flow restrictor for use in a subterranean well Feb. 19, 2013
8356668 Variable flow restrictor for use in a subterranean well Jan. 22, 2013
8276669 Variable flow resistance system with circulation inducing structure therein to variably resist flow in a subterranean well Oct. 2, 2012
8261839 Variable flow resistance system for use in a subterranean well Sep. 11, 2012
8017090 Apparatus and method for rapid and continuous generation of phosphine gas Sep. 13, 2011
7775456 Fluidic device yielding three-dimensional spray patterns Aug. 17, 2010
7771667 Polymerization quench method and system Aug. 10, 2010
7712317 Flow control systems May. 11, 2010
7650909 Flow development chamber Jan. 26, 2010
7597115 Method and arrangement at a loading column Oct. 6, 2009
7556785 Apparatus and method for rapid and continuous generation of phosphine gas Jul. 7, 2009
7478767 Apparatus for regulating fluid flow through a spray nozzle Jan. 20, 2009
7370669 Electromagnetic valve May. 13, 2008
7174917 Inlet piece for a liquid-injected compressor element Feb. 13, 2007
7082955 Axial input flow development chamber Aug. 1, 2006
7066207 Flow development chamber Jun. 27, 2006
7011101 Valve system Mar. 14, 2006
6817375 Torsion generator Nov. 16, 2004
6659118 Flow development chamber Dec. 9, 2003
6536468 Whirlpool reduction cap Mar. 25, 2003
6406216 Storm sewer overflow control device Jun. 18, 2002
6402820 Fluidic level control systems Jun. 11, 2002
6374858 Vortex valves Apr. 23, 2002
6164332 In-line magnetic water manufacturing apparatus Dec. 26, 2000
6082925 Storm sewer overflow control device Jul. 4, 2000
6017376 Air extract system for a containment Jan. 25, 2000
5971023 Junction for shear sensitive biological fluid paths Oct. 26, 1999
5871304 Precast prerotation basin system Feb. 16, 1999
5687766 Apparatus for forming a vortex Nov. 18, 1997
5673724 Faucet Oct. 7, 1997
5573029 Method and device for a pipe flow under pressure which is to be diverted or branched Nov. 12, 1996
5455804 Vortex chamber mud pulser Oct. 3, 1995
5337789 Vortex valves Aug. 16, 1994
5247547 Improvements in gloveboxes and like containments Sep. 21, 1993
5197517 Valve devices Mar. 30, 1993
4830053 Fluidic devices May. 16, 1989
4827961 High velocity fluid swivel joint coupling May. 9, 1989
4686824 Gaseous secondary injection thrust vector control device Aug. 18, 1987

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