.~ Including mechanical air compressor or air flow inducing means
(under subclass 200.1) Apparatus wherein the pressure of air is increased by mechanical means or by means of a pressurized fluid, said air being used as a propellant or as the motive fluid.
(1) Note. Included in this definition are reaction motors which include an impeller for moving a fluid and having an outlet for discharging said fluid having a sole disclosed function to produce a thrust.
SEE OR SEARCH THIS CLASS, SUBCLASS:
221+, for reaction motors having shrouded impellers wherein water is the medium moved.
268, for motors having counter rotating turbine rotors driving plural compressor elements.
SEE OR SEARCH CLASS
239, Fluid Sprinkling, Spraying, and Diffusing, 265.11, for a device having an impeller for moving a fluid and an outlet through which the fluid may be discharged wherein a function of the discharged fluid relates to spraying, sprinkling, etc.