Propeller runner having swivelling blades for turbines

Details Propeller runner having swivelling blades for turbines Propeller runner having swivelling blades for turbines

1981-04-08

1983-12-27

Hornsby, Harvey C.

Fluid reaction surfaces (i.e., impellers)

Having positive means for impeller adjustment

Motor bodily rotatable with impeller hub or shaft

416168A, F03B 306

Patent

active

044228260

ABSTRACT:
A propeller runner having swivelling blades, each integral with a journal engaged in two bearings respectively in the outer portion and the inner portion of the runner, and equipped with lateral connecting rods for manipulation in rotation.
The inner central portion of the hub of the runner includes a spider 29 each arm of which consists of a radial journal 31 prolonged by a threaded portion 32. Each blade journal 23 is engaged over a spider journal 31 with a bearing 26 and is held by a nut 33 screwed onto the portion 32 with the interposition of a thrust bearing 30. The spider 29 for a four-bladed runner preferably consists of a core 39 through which passes a shaft 40.
The invention is applicable to propeller runners having swivelling blades for turbines.

REFERENCES:
patent: 2156102 (1935-07-01), Austin
patent: 2255920 (1941-09-01), Englesson
patent: 2283128 (1942-05-01), Ring

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