US PATENT SUBCLASS 60 / 397
.~.~ Vacuum generated by internal combustion engine intake manifold powers motor


Current as of: June, 1999
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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
396  DF  .~ Utilizing lubricant, starter motor, cooling fluid, or fluid used for combustion in an internal combustion engine {1}
397.~.~ Vacuum generated by internal combustion engine intake manifold powers motor


DEFINITION

Classification: 60/397

(under subclass 396) Apparatus in which air is withdrawn from the output motor by the suction of the intake manifold of the engine.

SEE OR SEARCH CLASS

91, Motors: Expansible Chamber Type, appropriate subclass, in which the motive fluid is moved through the motor by a nominal "internal combustion engine having an intake manifold." See (4) Note, B, (1) e of the class definition of Class 92.