Axial flow blade wheel of a gas or steam driven turbine

Details Axial flow blade wheel of a gas or steam driven turbine Axial flow blade wheel of a gas or steam driven turbine

1986-12-23

1989-04-18

Casaregola, Louis J.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Irregular, flanged or channel forming blade surface

415DIG1, F01D 514

Patent

active

048222496

ABSTRACT:
An axial blade wheel of a gas or steam-driven turbine comprising blades having substantially laminar boundary layer flow up to a point of maximum velocity on the upper surface of the blade, the upper surface of the blade being provided in a region downstream of the point of maximum velocity where the fluid flow velocity decreases with a spoiler edge of saw tooth profile which extends substantially over the entire blade length.

REFERENCES:
patent: 1862827 (1932-06-01), Parsons et al.
patent: 3000401 (1961-09-01), Ringleb
patent: 3578264 (1971-05-01), Kuethe

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