Using rotating member with particular electrical output or circuit:
(under subclass 861) Subject matter wherein the fluid to be measured causes an element placed in the fluid path to be rotated and provides an electrical signal which is a measure of rotation of the element and including specific details of either the sensing means or the electrical circuit to process the output of the sensing means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
152.34, for a flowmeter for determining a characteristic of a borehole, a well casing, or a drill rigging by measuring a rotation rate of an element about a rotation axis.
861.02, wherein the electrical output is combined with the output from another transducer to effect temperature compensation or mass flow rate.
