Swinging type of electric fan

Details Swinging type of electric fan Swinging type of electric fan

1992-11-23

1994-05-10

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Continuous rotor oscillation

416110, 416116, F04D 2936

Patent

active

053103130

ABSTRACT:
A swiveling electric fan comprising a truncated sphere-shaped housing which encloses a vane member, and a base having a concave spheric top surface with the same diameter as that of the housing, the housing being connected with the base in a swiveling manner, an upper end of the supporting disk being secured to the housing while a lower end thereof extending into the base to connect with and abut against a rotary guiding disk of a swiveling mechanism in a swiveling manner, so that when the guiding disk rotates, a sleeve section of the supporting disk is rotated in a circular hole of the top surface of the base, the circular hole being larger than the sleeve section in diameter, whereby the vane member is made to swivel through an elliptical trace.

REFERENCES:
patent: 1994914 (1935-03-01), Jordan
patent: 4186313 (1980-01-01), Wurtz
patent: 4703152 (1987-10-01), Shih-Chin
patent: 5013224 (1991-05-01), Liao

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