Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure – Selectively adjustable impeller mount
Patent
1993-06-07
1995-05-02
Kwon, John T.
Fluid reaction surfaces (i.e., impellers)
Support mounting, carrier or fairing structure
Selectively adjustable impeller mount
248676, 403388, F01D 500
Patent
active
054113733
ABSTRACT:
A portable electrical fan including a housing defining inlet and outlet openings for transmitting air; a fan blade disposed in the housing; a motor supported by the housing and rotatably coupled to the fan blade; a base for placement on a support surface and having a coupling for detachable connection to the housing, the base defining a base receiving portion; an elongated standard having one end detachably secured to the coupling and an opposite end detachably secured to the housing, the standard defining a standard receiving portion; an electrical control connected to the motor; an enclosure retaining the electrical control and removably receivable by either the base receiving portion or the standard receiving portion; and a retainer for securing the enclosure to either the base receiving portion or the standard receiving portion. Conversion of the invention into either a floor or table fan is easily accomplished.
REFERENCES:
patent: 1173418 (1916-02-01), Ette
patent: 1782660 (1930-11-01), Meyer
patent: 2000386 (1935-05-01), Haynes
patent: 2164608 (1935-07-01), Cornelius
patent: 2172611 (1939-09-01), Gerhardt et al.
patent: 2364794 (1944-12-01), Koch
patent: 2542204 (1951-02-01), Moore
patent: 2578397 (1951-12-01), Brown
patent: 2646591 (1953-07-01), Knarzer
patent: 3464655 (1969-09-01), Schuman
patent: 5295811 (1994-03-01), Chiu
Chiu Bernard
Wang Jui-Shang
Duracraft Corporation
Jarcho Harold G.
Kwon John T.
Toupal John E.
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