Fan

Details Fan Fan

2005-11-01

2010-11-09

Verdier, Christopher (Department: 3745)

Rotary kinetic fluid motors or pumps

Plural runners supported for relative motion or on separate...

With means for selective runner operation or drive shaft...

C415S062000, C415S068000, C415S199100, C415S199200, C415S199600, C416S175000, C416S20100A

Reexamination Certificate

active

07828510

ABSTRACT:
This is related to a fan including a casing, a first impeller structure, a second impeller structure, and at least one driving device. The casing has an outlet and an air-containing portion having an entrance and an exit provided inside the casing. The first impeller structure and the second impeller structure are installed inside the casing, and include a first blade set and a second blade set, respectively. The first blade set is located corresponding to the entrance of the air-containing portion. The second blade set is located corresponding to the exit of the air-containing portion. The driving device drives the first and second impeller structures.

REFERENCES:
patent: 965025 (1910-07-01), Serrell
patent: 982393 (1911-01-01), Spencer
patent: 2121073 (1938-06-01), De Bothezat
patent: 2604501 (1952-07-01), Wightman
patent: 2782982 (1957-02-01), Merz
patent: 3083893 (1963-04-01), Dean
patent: 3153383 (1964-10-01), Pilarczyk
patent: 3250458 (1966-05-01), Caldwell
patent: 5839205 (1998-11-01), Hung
patent: 6612817 (2003-09-01), Lin et al.
patent: 6904960 (2005-06-01), Su et al.
patent: 7134839 (2006-11-01), Horng et al.

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