Damper assembly

Details Damper assembly Damper assembly

1980-09-24

1981-12-15

Nilson, Robert G.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

98110, F24F 1314

Patent

active

043054277

ABSTRACT:
A multiblade damper assembly having at least three pivotally mounted blades is provided with means to interlink these blades in which a bracket is secured to each of the blades with each bracket being formed with a pair of parallel extension arms which extend beyond an end of the blades, these arms having opposed openings for receiving a cylindrical pivot at their outer ends. A cylindrical pivot is rotatably mounted in these opposed openings, this cylindrical pivot having a threaded axial bore on at least one end thereof and a cross hole extending therethrough. At least one of the brackets has a second axially bored pivot with a cross hole extending therethrough rotatably secured to the pivot between the arms of said bracket and connecting rods interconnecting pairs of blades by having the opposite ends of each rod secured within the cross holes of said pivots, including both of said rotatably interconnected pivots.

REFERENCES:
patent: 2210869 (1940-08-01), Larson
patent: 3044387 (1962-07-01), Hinden
patent: 3267962 (1966-08-01), Josephson
patent: 3447443 (1969-06-01), Silvey
patent: 3783768 (1974-01-01), Caming
patent: 3793932 (1974-02-01), Tarnoff
patent: 3832940 (1974-09-01), Hess

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