US PATENT SUBCLASS 73 / 861.353
.~.~ Reaction turbine or vane

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

861  DF  VOLUME OR RATE OF FLOW {23}
861.351  DF  .~ Mass flow by imparting angular or transverse momentum to the fluid {3}
861.353.~.~ Reaction turbine or vane

DEFINITION

Classification: 73/861.353

Reaction turbine or vane:

(under subclass 861.351) Subject matter wherein the angular momentum of the fluid is absorbed by (a) a turbine restrained against free rotation (normally spring biased) or (b) a fixed member.