US PATENT SUBCLASS 180 / 69.6
.~ Vehicle has plural power plants


Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

54.1  DF  POWER {19}
69.6.~ Vehicle has plural power plants


DEFINITION

Classification: 180/69.6

Vehicle has plural power plants:

(under subclass 54.1) Power plant apparatus wherein the vehicle has two or more separate power plants mounted on a single body or body frame.

(1) Note. The power plants may be used individually or simultaneously and the operation of one may control the operation of the other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

14.2, for vehicle trains with more than one power plant.

SEE OR SEARCH CLASS

475, Planetary Gear Transmission Systems or Components,

1+, for plural motors driving a planetary gear transmission lacking significant vehicle structure. 477, Interrelated Power Delivery Controls, Including Engine Control,

2+, for plural motors with interrelated control between a transmission clutch, or brake, and lacking significant vehicle structure.