US PATENT SUBCLASS 415 / 913
INLET AND OUTLET WITH CONCENTRIC PORTIONS

Current as of: June, 1999
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415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

913INLET AND OUTLET WITH CONCENTRIC PORTIONS

DEFINITION

Classification: 415/913

INLET AND OUTLET WITH CONCENTRIC PORTIONS:

Rotary pump* or motor* device comprising working fluid* entrance and exit passages which (a) extend along a common axis and (b) are positioned one within another.