Multi-fan assembly

Details Multi-fan assembly Multi-fan assembly

2006-07-18

2006-07-18

Verdier, Christopher (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Sustained ancillary movement of rotary working member

Intermounted rotary members

C416S005000, C416S110000, C416S123000, C416S130000, C417S423500

Reexamination Certificate

active

07077629

ABSTRACT:
A multi-fan assembly whose revolution speed can be controlled by a member fan designed with a reverse rotating structure, which includes a housing in which is provided a rotatable member; a positive-rotation member fan is equipped with a positive-rotation motor, the positive-rotation motor serves to rotate blade holders and fan blades mounted on the blade holders, the positive-rotation member fan is fixed to the rotatable member via a holding arm; a reverse-rotation member fan is equipped with a reverse-rotation motor, the reverse-rotation motor serves to rotate blade holders and fan blades mounted on the blade holders, the reverse-rotation motor's rotating direction is opposite to that of the positive-rotation motor, the reverse-rotation member fan is fixed to the rotatable member via a holding arm.

REFERENCES:
patent: 1270832 (1918-07-01), Jennings
patent: 1295618 (1919-02-01), Shaw
patent: 6364638 (2002-04-01), Liu
patent: 6722859 (2004-04-01), Chen
patent: 6832902 (2004-12-01), Gajewski et al.
patent: 6913443 (2005-07-01), Chen
patent: 2003/0082062 (2003-05-01), Chen
patent: 2003/0210982 (2003-11-01), Chen

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