US PATENT SUBCLASS 318 / 246
SERIES MOTORS

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

246SERIES MOTORS {4}
247  DF  .~> Convertible for nonseries motor operation
248  DF  .~> With plural, diverse or diversely connected or controlled sources of e.m.f.
249  DF  .~> Control by motor circuit impedance {1}
251  DF  .~> Field circuit control {1}

DEFINITION

Classification: 318/246

(under the class definition) Subject matter in which the motor is provided with means for causing it to operate only as a series motor for at least an appreciable portion of its operation as a motor.

(1) Note. See Series Motor, of the class definition for a definition of a series motor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

244, for AC series commutated motor systems.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure,

158, for universal (AC or DC) motors, and subclass 177 for DC motors.