Governed propeller type wind motor arrangement

Details Governed propeller type wind motor arrangement Governed propeller type wind motor arrangement

1979-03-14

1981-03-24

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With control means responsive to non-cyclic condition...

Impeller rotation speed responsive

416 89, F03D 704

Patent

active

042577365

ABSTRACT:
A propeller type wind motor arrangement having a blade mounting hub, a plurality of air foil blades, and blade receiving means for mounting the blades to the hub for pivotal movement about a longitudinal axis of the blades is provided with a governor for retaining the blades at a first high torque, relatively low tip speed ratio forming angle during motor start-up and at rotational speeds below a minimum normal operational speed, and for abruptly shifting said blades to a second high efficiency, relatively high tip speed ratio forming angle when said operational value is reached.

REFERENCES:
patent: 188743 (1877-03-01), Lochhead
patent: 259476 (1882-06-01), Bryan
patent: 650032 (1900-05-01), Benson
patent: 1482690 (1924-02-01), Lanzius
patent: 1555349 (1925-09-01), Ballow
patent: 1855220 (1932-04-01), Buchser
patent: 2126202 (1938-08-01), McColly
patent: 2688285 (1954-09-01), Stockett et al.
patent: 3469633 (1969-09-01), Arondoglio

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