Lubrication of fan blade bearings

Details Lubrication of fan blade bearings Lubrication of fan blade bearings

1975-08-06

1977-09-06

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Having positive means for impeller adjustment

Motor bodily rotatable with impeller hub or shaft

416146A, 416174, F04D 2936

Patent

active

040464865

ABSTRACT:
A method and apparatus for lubricating the bearings associated with rotor mounted variable pitch type blades in axial flow fans.

REFERENCES:
patent: 1510436 (1924-09-01), Englesson
patent: 2028448 (1936-01-01), Harza
patent: 2283128 (1942-05-01), Ring
patent: 2987123 (1961-06-01), Liaaen
patent: 3245497 (1966-04-01), Yokoi
patent: 3301330 (1967-01-01), Covert
patent: 3325088 (1967-06-01), Keen et al.
patent: 3339639 (1967-09-01), Elmes et al.
patent: 3395763 (1968-08-01), Avena et al.
patent: 3603698 (1971-09-01), Jensen

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