US PATENT SUBCLASS 416 / 500
VIBRATION DAMPING FEATURES


Current as of: June, 1999
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416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

500VIBRATION DAMPING FEATURES


DEFINITION

Classification: 416/500

An impeller* or working member* which is so designed or includes means associated therewith for the purpose of reducing undesirable vibrational motion induced by the operation thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

194+, for means securing the working members to one another or to a hub or shaft for purposes of reducing vibration during normal operation.