Patent for Sale:Private Listing: Number 3772
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Class 415: Rotary Kinetic Fluid Motors Or Pumps
This is the class for apparatus, and corresponding methods of operating such apparatus, comprising a runner, and in which a working fluid is guided to, around, or from, the runner. A means for guiding or confining, the working fluid must be present. This class includes typically turbines, wind and water wheels, centrifugal pumps and blowers; and such casings, conduits, guide means and other elements peculiar to the subject matter of this class not otherwise classifiable.Subclass 220: Casing with axial flow runner
Class 416: Fluid Reaction Surfaces (I.E., Impellers)
This class provides the locus for all fluid impellers not elsewhere classifiable. The working fluid, which is acted on by or acts upon the impeller, may be a liquid or gas.Subclass 91: Both inlet and outlet to working fluid
Subclass 185: Circumferentially and radially continuous web or end plate
Subclass 188: Conical web