US PATENT SUBCLASS 60 / 236
.~.~.~ Plural spool motor-compressors

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

200.1  DF  REACTION MOTOR (E.G., MOTIVE FLUID GENERATOR AND REACTION NOZZLE, ETC.) {28}
233  DF  .~ Condition responsive thrust varying means {6}
235  DF  .~.~ Motive fluid outlet area and fuel flow control {4}
236.~.~.~ Plural spool motor-compressors

DEFINITION

Classification: 60/236

(under subclass 235) Apparatus having more than one unit each of which consists of a rotary compressor means for pressurizing the motive fluid, turbine means actuated by the motive fluid and shaft means by which the turbine means may drive the compressor means, wherein the shaft means for at least two of the units are concentrically arranged.