US PATENT SUBCLASS 73 / 197
.~.~ Compound meter

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

861  DF  VOLUME OR RATE OF FLOW {23}
195  DF  .~ System {2}
197.~.~ Compound meter

DEFINITION

Classification: 73/197

(under subclass 195) Systems wherein at least two meters are provided, one sensitive meter for small flows and one meter of large capacity for large flows through the same duct or ducts. There is provided some means to divert the flow to the proper meter under various flow conditions.

SEE OR SEARCH CLASS

137, Fluid Handling,

512+, 608+ and 636+ for diverting valves, per se.