Semi-modular rotor module
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United States of America Patent
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Jan 6, 2004
Grant Date -
N/A
app pub date -
Feb 27, 2003
filing date -
Feb 27, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A semi-modular rotor module for an air preheater having a circular rotor includes a lug assembly having a lug front, a lug back spaced radially outward from the lug front, and cold end and hot end lug members. The lug front and lug back each extend longitudinally from a first end to a second end, with the cold end lug member being mounted to the first ends of the lug front and the lug back and the hot end lug member being mounted to the second ends of the lug front and the lug back. A single main diaphragm extends radially from an inner end portion to an outer end portion, with the inner end portion being mounted to the lug front on a first side of the lug assembly. The outer end portion is mounted to a rotor shell which is spaced radially outward from the lug back. At least one intermediate diaphragm extends radially from an inner end portion, mounted to the lug back at a position intermediate the first and second sides of the lug assembly, to an outer end portion mounted to the rotor shell.
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