Rotatable vent

Details Rotatable vent Rotatable vent

2006-04-11

2006-04-11

Joyce, Harold (Department: 3749)

Ventilation

Chimney or stack

Chimneytop or stacktop structure

C454S018000

Reexamination Certificate

active

07025670

ABSTRACT:
A wind powered rotatable vent includes an annular rotatable louvered panel axially rotatable about a shaft and an impeller disposed in spaced underlying relationship with respect to the rotatable louvered panel and rotatably secured to the shaft. A fixed collar underlies at least a portion of the rotatable louvered panel and a brace which is rotatably secured to the shaft has first arms secured to an upper portion of the rotatable louvered panel and second arms secured to a lower portion thereof. The collar and rotatable louvered panel define a passageway for flow of air therethrough. The rotatable louvered panel is structured to rotate responsive to wind impinging thereon and responsive to air flowing upwardly through the impeller in the passageway.

REFERENCES:
patent: 535276 (1895-03-01), Doerge
patent: 2013244 (1935-09-01), La Vergne
patent: 3066596 (1962-12-01), Gray et al.
patent: 4641571 (1987-02-01), Anderson et al.
patent: 5779539 (1998-07-01), Kolt
patent: 6352473 (2002-03-01), Clark
patent: 6582291 (2003-06-01), Clark
patent: 6189 (1905-01-01), None
patent: 236001 (1925-07-01), None

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3533512