US PATENT SUBCLASS 318 / 465
.~.~ In excess of a predetermined valve

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

445  DF  AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) {20}
461  DF  .~ Speed or rate-of-movement {3}
465.~.~ In excess of a predetermined valve

DEFINITION

Classification: 318/465

(under subclass 461) Subject matter in which means are provided for controlling an electric motor in response to speeds of motors or of other bodies when the speed is in excess or above a predetermined value.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462, for this subject matter where the speed sensing means is a centrifugal device.

463, for this subject matter where the speed sensing means is a tachometer device.