Heat exchange – Regenerator
Patent
1973-01-30
1977-01-04
Davis, Jr., Albert W.
Heat exchange
Regenerator
165 9, F28D 1700
Patent
active
040007740
ABSTRACT:
A regenerative air preheater with cylindrical regenerator chamber and sealing frames at its axial ends with adjustable automatic thermal compensating devices for uniformly maintaining a constant sealing gap by adjustable means under different heat distortions of the regenerator chamber. The sealing frames are movable on spring-loaded pins and the axial travel of said frames is automatically equalized to the axial distortions of the regenerative chamber by said automatic thermal compensating devices in such a way, that they may follow the axial distortion movement of the regenerator chamber in a constant distance of a predetermined sealing gap, which had been adjusted, said compensating devices are controlled by their temperature-responsiveness, preferably in accordance with the mean temperature difference across the mass. As shown, they are made up by partially compensating thermal expansive devices, tied to a lever linkage with adjustable means.
REFERENCES:
patent: 2852234 (1958-09-01), Mudersbach
patent: 3246687 (1966-04-01), Jensen et al.
patent: 3250316 (1966-05-01), Nyberg
patent: 3321010 (1967-05-01), Brandt et al.
Kraft Erich
Puritz Ernst
Apparatebau Rothemuhle Brandt & Kritzler
Davis Jr. Albert W.
Lackenbach Elliot A.
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