US PATENT SUBCLASS 310 / 92
.~.~ Torque-transmitting clutches or brakes

Current as of: June, 1999
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310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

10  DF  DYNAMOELECTRIC {5}
40 R  DF  .~ Rotary {28}
92.~.~ Torque-transmitting clutches or brakes {6}
93  DF  .~.~.~> Brake type
94  DF  .~.~.~> Automatic control {1}
96  DF  .~.~.~> With other drive mechanism {4}
101  DF  .~.~.~> Plural units
102 R  DF  .~.~.~> Generator-motor type {1}
103  DF  .~.~.~> Magnetic field type {2}

DEFINITION

Classification: 310/92

(under subclass 40) Subject matter relating to torque transmitting clutches and brakes and the systems utilized with torque transmitting clutches.

(1) Note. The torque which is transmitted in the devices of this and indented subclasses is transmitted through the medium of an electromagnetic field. When the torque is transmitted by frictional contact, consult the classes referred to below under Search Class.

SEE OR SEARCH CLASS

73, Measuring and Testing,

862+, for torque type dynamometers, utilized in testing, some of which utilize electromagnetic clutches and brakes.

188, Brakes, for mechanical brakes. Note

158+, for electric operators for such brakes. 192, Clutches and Power-Stop Control, appropriate subclasses for mechanical clutches and for systems utilizing a mechanical clutch as part thereof.

318, Electricity: Motive Power Systems, appropriate subclass for electric motor systems having an electromagnetic clutch or brake as part thereof. Also consult the extensive search notes to the Class Definition of Class 318 (note particularly the References To Other Classes) for related art.

322, Electricity: Single Generator Systems,

12, for single generator system having an electromagnetic clutch for connecting and disconnecting the generator from the source of power, and subclass 40 for similar subject matter and which the electromagnetic clutch is utilized to control the speed of the generator.

361, Electricity: Electrical Systems and Devices,

207, for electrostatic relay circuits, such as those which utilize piezoelectric devices or the Winslow effect.

417, Pumps,

223+, for pumps having dynamoelectric clutches for connecting and disconnecting the pump from a source of mechanical power.

464, Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts, appropriate subclasses for a flexible coupling between a shaft and driven member.