Nozzle damper assembly

Details Nozzle damper assembly Nozzle damper assembly

1992-01-24

1993-08-10

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

7386163, 137502, 251212, G05D 706

Patent

active

052340210

ABSTRACT:
A nozzle damper assembly (10) for installation in a duct (12) operative for measuring and controlling the flow of a gaseous medium through the duct (12). The subject nozzle damper assembly (10) includes enclosure means (24) cooperatively associated with the duct (12), shaft means (26) suitably supported from the sidewalls (32, 34, 36, 38) of the enclosure means (24), damper blade means (16,18) rotatable mounted on the shaft means (26) for movement within the enclosure means (24), damper blade operating means (28) operative for purposes of effecting the movement of the damper blade means (16,18) within the enclosure means (24), and flow measurement means (20,22) supported at a first location and at a second location relative to in lieu thereof the damper blade means (16,18) and operative to measure the flow of the gaseous medium through the nozzle damper assembly (10) such that control may be exercised over the flow of the gaseous medium through the duct (12) based on such measurements.

REFERENCES:
patent: 3724503 (1973-04-01), Cooke
patent: 4481828 (1984-11-01), Cheng
patent: 4796651 (1989-01-01), Ginn
patent: 4873873 (1989-10-01), Day

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