Cooling fan

Details Cooling fan Cooling fan

2005-05-18

2009-10-13

Nguyen, Ninh H (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Cantilever blade

C416S24100B

Reexamination Certificate

active

07600980

ABSTRACT:
A cooling fan has a metal spacer, a boss made of Nylon integrally formed with the spacer by an insert molding and seven blades extending outward therefrom. A skew angle of about 30 degrees is provided at a connecting portion or a base end portion of the blade to the boss so as to be inclined backward in relation to a rotating direction of the cooling fan. To the contrary, a skew angle of about 8 degrees is provided at a portion extending from the connecting portion to the leading end of the blade so as to be inclined forward in relation to the rotating direction.

REFERENCES:
patent: 4046488 (1977-09-01), Wickham
patent: 4142844 (1979-03-01), Brattstrom
patent: 4569631 (1986-02-01), Gray, III
patent: 4596631 (1986-06-01), Prough et al.
patent: 4684324 (1987-08-01), Perosino
patent: 5393199 (1995-02-01), Alizadeh
patent: 3-89000 (1991-04-01), None

Affiliated with

Also associated with

Rating

Cooling fan does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cooling fan, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cooling fan will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4100729