Heat exchange – Regenerator – Checker brick structure
Patent
1981-12-21
1983-08-23
Davis, Jr., Albert W.
Heat exchange
Regenerator
Checker brick structure
62271, 277 81R, 277 83, 277 92, F28D 1900
Patent
active
043998631
ABSTRACT:
This invention relates to a floating seal system for rotary devices to reduce gas leakage around the rotary device in a duct and across the face of the rotary device to an adjacent duct. The peripheral seal bodies are made of resilient material having a generally U-shaped cross section wherein one of the legs is secured to a support member and the other of the legs forms a contacting seal against the rotary device. The legs of the peripheral seal form an extended angle of intersection of about 10.degree. to about 30.degree. in the unloaded condition to provide even sealing forces around the periphery of the rotary device. The peripheral seal extends around the periphery of the support member except where intersected by radial seals which reduce gas leakage across the face of the rotary device and between adjacent duct portions. The radial seal assembly is fabricated from channel bars, the smaller channel bar being secured to the divider of the support member and a larger inverted rigid floating channel bar having its legs freely movable over the legs of the smaller channel bar forming therewith a tubular channel. A resilient flexible tube is positioned within the tubular channel for substantially its full length to reduce gas leakage across the tubular channel. A spacer extends beyond the face of the floating channel near each end of the floating channel a distance to provide desired clearance between the floating channel and the face of the rotary device.
REFERENCES:
patent: 3856077 (1974-12-01), Siegla
patent: 3907310 (1975-09-01), Du four
patent: 3931852 (1976-01-01), Rao
patent: 4024905 (1977-05-01), Guillot
patent: 4024906 (1977-05-01), Bramley
Davis Jr. Albert W.
Institute of Gas Technology
Speckman Thomas W.
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