US PATENT SUBCLASS 415 / 56.6
.~.~ Walled pumping chamber positioned within liquid separation chamber

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}
56.1  DF  .~ Pump priming means {5}
56.6.~.~ Walled pumping chamber positioned within liquid separation chamber

DEFINITION

Classification: 415/56.6

Walled pumping chamber within liquid separation chamber:

(under subclass 56.1) Device wherein the means comprises one area in which the pump* runner* is located and a second area radially outward of and radially enclosing the one area. The two areas are set apart by one or more casing* partitions or

walls. The second area comprises means to remove or separate gas from the liquid working fluid* discharged from the runner and means to return the discharged liquid working fluid to the blade* or blade row.