Apparatus for sealing rotary tubes
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United States of America Patent
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-
Dec 21, 1999
Grant Date -
N/A
app pub date -
Jun 12, 1997
filing date -
Jun 13, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for sealing a rotary tube drum of a furnace to another furnace component. Two concentric resilient metal ring segments are provided on a disk to comprise the sealing elements of the present invention. A plurality of springs arranged as a ring apply pressure to the disk and ring segments to ensure a consistent and self-adjusting seal between the joined components. Links located circumferentially about the disk limit lateral movement, yet allow axial movement, of the seal. It is thereby possible, according to the present invention, to provide a resilient seal between a rotary tube and another component of a furnace that yields a self-adjusting gas-impermeable seal between the mating components.
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