US PATENT SUBCLASS 318 / 95
.~.~.~ Series-parallel connections

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

34  DF  PLURAL, DIVERSE OR DIVERSELY CONTROLLED ELECTRIC MOTORS {22}
90  DF  .~ Acceleration control {4}
94  DF  .~.~ Armature or primary circuit control {1}
95.~.~.~ Series-parallel connections {1}
96  DF  .~.~.~.~> With armature circuit impedance

DEFINITION

Classification: 318/95

(under subclass 94) Subject matter in which means are provided for connecting the armature or primary circuits of two or more electric motors in series circuit relationship with respect to each other at one time and in parallel circuit relationship with respect to each other at another time; or for connecting the armature or primary circuits of two or more electric motors in series circuit relationship with respect to one another and simultaneously connecting the armature or primary circuits of two or more motors in parallel circuit relationship with respect to one another.

(1) Note. One or more of the motors in the parallel connected group, referred to in the latter part of the above definition, may constitute one or more of the motors in the series connected group. For example, a single motor may be connected in series with a group of three motors which three motors are all connected in parallel relationship with respect to one another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93, for this subject matter where means are provided for series parallel connection of the motor armatures combined with motor field control.

111, and the subclasses listed under the Search Notes in the definition of that subclass, for plural motor systems having series parallel arrangements of the motors.

495, and the subclasses specified in the Notes to the definition of that subclass for miscellaneous motor systems having series parallel armature connecting means.