US Patent 8672768 Air bearing shaft for ram air fan

Patent 8672768 was granted and assigned to Hamilton Sundstrand on March, 2014 by the United States Patent and Trademark Office.

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US Patent 12000405 Ventilation fan having a hybrid bearing system

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Patent abstract

An air bearing for a ram air fan includes a shaft having a first end portion that defines a cap end, a second end portion that defines a thrust shaft receiving end, and an intermediate portion extending between the first and second end portions. The cap end includes a cap pilot bore and the thrust shaft receiving end includes a thrust shaft pilot section. The thrust shaft pilot section has an outer diameter of between about 1.6032-inches (about 40.7212 mm) and about 1.6002-inches (about 40.6450 mm).

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Patent Inventor Names

Darryl A. Colson0

Robert Telakowski0

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