US PATENT SUBCLASS 318 / 540
.~ Rotor element movable axially


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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

538  DF  MOTOR STRUCTURE ADJUSTMENT OR CONTROL {3}
540.~ Rotor element movable axially


DEFINITION

Classification: 318/540

(under subclass 538) Subject matter in which means are provided for relatively moving the rotor element axially (i.e., along the axis about which the motor revolves) with respect to the remainder of the motor structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

115, for motor systems having a motor having plural, diverse types of motion which commonly include axial movement. See (2) Note to the definition of subclass 538 for the distinction between the subclass and subclass 115.

SEE OR SEARCH CLASS

322, Electricity: Single Generator Systems,

51, for generator systems wherein the generator is controlled by moving or adjusting the rotor element axially.