US PATENT SUBCLASS 137 / 119.07
.~.~.~.~.~ Flow sensing turbine

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

87.01  DF  SELF-PROPORTIONING OR CORRELATING SYSTEMS {8}
109  DF  .~ Self-controlled branched flow systems {4}
118.01  DF  .~.~ Plural outflows {5}
119.01  DF  .~.~.~ Alternately or successively substituted outflow {7}
119.06  DF  .~.~.~.~ Flow rate responsive {1}
119.07.~.~.~.~.~ Flow sensing turbine

DEFINITION

Classification: 137/119.07

Flow sensing turbine:

(under subclass 119.06) Subject matter wherein the sensor comprising a member pivoted for oscillation or rotation, and having blades, vanes or surfaces which are exposed to the flow and rotating or tending to rotate the member.