US PATENT SUBCLASS 417 / 325
.~ Reversely rotated for starting


Current as of: June, 1999
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417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
325.~ Reversely rotated for starting


DEFINITION

Classification: 417/325

(under subclass 321) Apparatus in which the motor is of the type which unidirectionally rotates to cause the pump to operate and upon starting the motor operates for a limited time in a direction of rotation opposite to the normal pump driving direction of rotation (usually to unload the pump) and having means which then reverses the direction of rotation so as to operate the pump in the normal manner.