Stoves and furnaces – Dampers – Electric
Patent
1983-05-06
1984-11-27
Scott, Samuel
Stoves and furnaces
Dampers
Electric
126292, 126295, 126296, 251 58, 251358, 98101, 236 93R, 236101R, 110147, 110163, F23L 1300
Patent
active
044845626
ABSTRACT:
A flexible disk damper which is capable of providing tight seals for a large diameter opening over a wide range of temperatures. Disks are made sufficiently flexible to compensate for inherent warpage in the damper seat by using a steel with a higher yield strength. Additionally, a varying cross-sectional thickness of the flexible disk is provided to ensure that unit stress is not exceeded along any point of the radius of the flexible disk for the deformation required to provide a tight seal. A pneumatic cylinder is utilized to provide a constant pressure to the flexible disks. A damper seat is fabricated from a cut plate or flat bar which is formed in an annulus. A deflection cone is utilized to deflect flue gases. The flexible disk is coupled together by bolts which are disposed in holes sufficiently large to allow independent movement of the disks to maximize deflection.
REFERENCES:
patent: 123298 (1872-01-01), Shontz
patent: 274117 (1883-03-01), Getty et al.
patent: 367847 (1887-08-01), Ridgway
patent: 713055 (1902-11-01), Burton
patent: 1012266 (1911-12-01), Miller
patent: 1449876 (1923-03-01), Williams
patent: 2684647 (1954-07-01), Bither
patent: 3521659 (1970-06-01), Seger
patent: 3905577 (1975-09-01), Karpenko
Adolph Coors Company
Odar Helen Ann
Scott Samuel
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