Air preheater sector plate drive
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 17, 2001
Grant Date -
N/A
app pub date -
Sep 20, 1999
filing date -
Sep 20, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Drive means are provided to move the sector plates of rotary regenerative air preheaters into sealing position with the radial seals on the rotor during rotor turndown. A pair of fluid drive cylinders are connected to a pair of drive chains which rotate a drive shaft. One of the pair of drive cylinders may operate in the extend mode while the other operates in the retract mode or both cylinders may operate in the same mode at the same time for increased force in one direction. Eccentric disk devices are attached to the drive shaft and to the sector plates for converting the rotary motion of the shaft to linear motion of the attachment to the sector plates. The eccentric disk devices may contain two eccentric disks so that the distance of travel can be adjusted.
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