US PATENT SUBCLASS 415 / 212.1
.~ Scroll or helical type casing with specific exit nozzle

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

182.1  DF  WORKING FLUID PASSAGE OR DISTRIBUTING MEANS ASSOCIATED WITH RUNNER (E.G., CASING, ETC.) {24}
212.1.~ Scroll or helical type casing with specific exit nozzle

DEFINITION

Classification: 415/212.1

Scroll or helical type casing with specific exit nozzle:

(under subclass 182.1) Device comprising a casing* of spiral or volute form and a discharge opening therefrom, wherein particular significance is attributed to the discharge opening.

SEE OR SEARCH THIS CLASS, SUBCLASS:

204+, for a device having a scroll type casing and a tangential inlet or outlet.

208.1+, for a device having a vane* or deflector downstream of a runner*.