US PATENT SUBCLASS 73 / 118.2
.~.~ Intake air flow

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

116  DF  MOTOR AND ENGINE TESTING {6}
118.1  DF  .~ Testing auxiliary unit {1}
118.2.~.~ Intake air flow

DEFINITION

Classification: 73/118.2

Intake air flow:

(under subclass 118.1) Subject matter wherein the auxiliary unit is the air intake passage of the engine and the measurement is the airflow rate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

861+, for the measurement of volume or rate of flow, per se.