US PATENT SUBCLASS 60 / 245
.~.~ Propellant supply used in one operation reduced before starting another

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}
244  DF  .~ Motive fluid from diverse generators alternatively ejected through outlet {1}
245.~.~ Propellant supply used in one operation reduced before starting another

DEFINITION

Classification: 60/245

(under subclass 244) Apparatus having means to initiate the production of motive fluid by one means after the propellant supply usable by a diverse motive fluid producing means has been reduced to a predetermined level.

SEE OR SEARCH THIS CLASS, SUBCLASS:

250, for a motor having a plurality of sequentially combustible fuels which does not change its principle of operation as one or the other fuel is burned.