US PATENT SUBCLASS 415 / 204
.~.~ Scroll-type casing

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}
203  DF  .~ Casing having tangential inlet or outlet (i.e., centrifugal type) {2}
204.~.~ Scroll-type casing {1}
205  DF  .~.~.~> Inlet scroll

DEFINITION

Classification: 415/204

(under subclass 203) Apparatus comprising a housing of spiral or volute form.

SEE OR SEARCH THIS CLASS, SUBCLASS:

212.1, for a scroll or helical type casing with a specific exit nozzle.