US PATENT SUBCLASS 73 / 238
.~.~.~ Nutating bell

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

861  DF  VOLUME OR RATE OF FLOW {23}
232  DF  .~ Expansible chamber {6}
234  DF  .~.~ Wet type (e.g., liquid seal) {4}
238.~.~.~ Nutating bell

DEFINITION

Classification: 73/238

(under subclass 234) Meters wherein a multi-chambered bell is so mounted in the sealing liquid that, when moved, its axis describes continuously the surface of a cone. The compartments of the bell form with the sealing liquid a plurality of expansible measuring chambers for the fluid to be metered.