Noise reduction spoiler for a damper

Details Noise reduction spoiler for a damper Noise reduction spoiler for a damper

1986-10-31

1987-08-25

Makay, Albert J.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181277, 251305, F01N 116

Patent

active

046884726

ABSTRACT:
A spoiler is located on the damper blade of a damper assembly such that it serves to divert the flow from the hinge area to avoid air separation. Further, the spoiler does not define the most restricted portion of the flow path and thereby has a minimal effect on the flow resistance.

REFERENCES:
patent: 2095263 (1937-10-01), Moss
patent: 3238955 (1966-03-01), Lassiter
patent: 3442489 (1969-05-01), Cary et al.
patent: 4185657 (1980-01-01), McCabe

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