US PATENT SUBCLASS 475 / 13
.~ Input and output exchange functions


Current as of: June, 1999
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475 /   HD   PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS

12  DF  REVERSAL OF DIRECTION OF POWER FLOW CHANGES POWER TRANSMISSION TO ALTERNATE PATH {1}
13.~ Input and output exchange functions


DEFINITION

Classification: 475/13

Input and output exchange functions:

(under subclass 12) Subject matter wherein in response to the interchange of roles between the input member* and output member* the path through which power is transmitted is changed.

(1) Note. To be placed herein the transmission must have a useful load at each of its input and output ends. Most of the patents herein disclose either motor-generators or motor-pumps used to start an engine which in turn drives the generator or pump.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

810.2, for the exchange of input and output roles using nonplanetary gearing.

290, Prime-Mover Dynamo Plants,

38, for gearing of this type combined with significant generator structure. [figure] [caption]one-way brake; motorpump unit; one-way clutch; pump-motor acts as input (underdrive) to start I.C. engine then I.C. engine drives motor-pump; I.C. engine; one-way clutch