Bladeless turbine impeller

FIG. 1 is a perspective view of a first embodiment of a bladeless turbine impeller showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front-side elevational view, the rear-side elevational view, the right-side elevational view and the left-side elevational view being identical;

FIG. 5 is a cross-sectional view taken along line 5 - 5 of FIG. 2 ;

FIG. 6 is a perspective view of a second embodiment of a bladeless turbine impeller showing our new design;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front-side elevational view, the rear-side elevational view, the right-side elevational view and the left-side elevational view being identical; and,

FIG. 10 is a cross-sectional view taken along line 10 - 10 of FIG. 7 .

The broken lines represent the designation lines for the cross-sectional views and form no part of the claimed design.