US PATENT SUBCLASS 415 / 55.5
.~.~ Having plural, rigidly related blade sets

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

52.1  DF  WITH MEANS FOR RE-ENTRY OF WORKING FLUID TO BLADE SET (E.G., RE-ENTRY TYPE DEVICE, PASSAGE, ETC.) {11}
55.1  DF  .~ Turbine regenerative pump {2}
55.5.~.~ Having plural, rigidly related blade sets {2}
55.6  DF  .~.~.~> Acting serially but nonalternating (e.g., multistage, etc.)
55.7  DF  .~.~.~> In separate regenerative passages

DEFINITION

Classification: 415/55.5

Having plural, rigidly related blade sets:

(under subclass 55.1) Device further comprising a second runner* blade* row which is fixedly or unitarily associated with the first blade row.

SEE OR SEARCH THIS CLASS, SUBCLASS:

198.1+, for a nonreentry device having plural, rigidly related blade sets and see the search notes therewith.