US PATENT SUBCLASS 60 / 408
.~.~ Convertible motor-pump device selectively charges and is driven by gas from storage vessel

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

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
407  DF  .~ Pneumatic motor with gas supply or removal device {3}
408.~.~ Convertible motor-pump device selectively charges and is driven by gas from storage vessel

DEFINITION

Classification: 60/408

(under subclass 407) Apparatus having a storage vessel serving as the gas supply or removal device and a unit usable

as either a motor or as a pump, the unit at one time serving to charge the vessel and, at another time being driven as a motor by gas from the charged storage vessel.