US PATENT SUBCLASS 416 / 178
PERIMETRIC BLADING EXTENDING AXIALLY BETWEEN ANNULAR MEMBERS (E.G., SQUIRREL CAGE TYPE, ETC.)


Current as of: June, 1999
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416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

178PERIMETRIC BLADING EXTENDING AXIALLY BETWEEN ANNULAR MEMBERS (E.G., SQUIRREL CAGE TYPE, ETC.)


DEFINITION

Classification: 416/178

(under the class definition) Apparatus wherein the impeller* comprises a plurality of blades supported solely at their axial ends by transverse annuli or rings.