Blower

Details Blower Blower

1991-03-18

1993-11-30

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Continuous rotor oscillation

415 531, 415 533, 4151212, 415127, 55467, 55487, 96 55, F04D 2510

Patent

active

052660044

ABSTRACT:
A blower having a base, a main body which has an air inlet opening and an air blowing opening and which is rotatably mounted on a base, a fan disposed in the main body to make air entering the main body through the air inlet opening flow out of the main body through the air blowing opening, a motor for rotating the fan, an automatic rotation mechanism for rotating the main body through 360.degree. or more relative to the base, and an automatic oscillation mechanism for changing over the normal-direction and reverse-direction rotations of the main body on the base in a predetermined angular range.

REFERENCES:
patent: 930622 (1909-08-01), Shedd
patent: 1704575 (1929-03-01), Noguchi
patent: 2233588 (1941-03-01), Crook
patent: 2829525 (1958-04-01), Oba
patent: 3147639 (1964-09-01), Braskamp
patent: 3258195 (1966-06-01), Laing
patent: 3422263 (1969-01-01), Asahina
patent: 4597781 (1986-07-01), Spector
patent: 4703152 (1987-10-01), Shin-Chin
patent: 4775294 (1988-10-01), LaPorte
patent: 4790862 (1988-12-01), Naruo et al.
patent: 4923367 (1990-05-01), Zimmer

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