Air fan damping structure

Details Air fan damping structure Air fan damping structure

2009-03-12

2011-10-25

Dang, Trung Q (Department: 2892)

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

C415S213100, C415S214100

Reexamination Certificate

active

08043049

ABSTRACT:
An air fan damping structure is installed on an air fan which has a fan frame. The fan frame has an air inlet, an air outlet and a housing space between them to hold a fan blade assembly. The damping structure includes a first buffer and a holding member located on the fan frame. The first buffer is hollow and has a through hole, and a first anchor portion to form an anchor relationship with a second anchor portion formed on the fan frame. The holding member has an inserting portion to run through the through hole and a depressing portion connecting to the inserting portion to receive a force to allow the inserting portion to run through the through hole. The inserting portion and the through hole have respectively a first retaining portion and a second retaining portion to form a retaining relationship.

REFERENCES:
patent: 7168920 (2007-01-01), Liu
patent: 7488152 (2009-02-01), Liang
patent: 7537429 (2009-05-01), Xia et al.
patent: 2007/0242430 (2007-10-01), Liu et al.
patent: M242987 (2004-09-01), None

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