US PATENT SUBCLASS 73 / 861.22
.~.~.~ Vortex shedders

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

861  DF  VOLUME OR RATE OF FLOW {23}
861.18  DF  .~ By measuring vibrations or acoustic energy {5}
861.21  DF  .~.~ Caused by fluid interaction with obstacle {1}
861.22.~.~.~ Vortex shedders {2}
861.23  DF  .~.~.~.~> Acoustic
861.24  DF  .~.~.~.~> Movable sensor responsive to vortices

DEFINITION

Classification: 73/861.22

Vortex shedders:

(under subclass 861.18) Subject matter wherein an obstacle (e.g., bluff body) in the flow path generates Karman vortex streets.