HYDROFORMED DRIVESHAFT TUBE WITH SECONDARY SHAPE
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United States of America Patent
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Issued Date -
May 8, 2014
app pub date -
Nov 8, 2013
filing date -
Nov 8, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hydroformed driveshaft tube formed using a hydroforming process is provided. The hydroformed driveshaft tube comprises a first end portion, a second end portion, and a middle portion. The middle portion is at least partially defined by a circular arc shaped surface of revolution. At least a portion of the middle portion has a diameter greater than a diameter of the first end portion and the second end portion. The middle portion is formed between the first end portion and the second end portion. The middle portion affects a critical speed and a breathing mode frequency of the hydroformed driveshaft tube. The hydroformed driveshaft tube reduces a cost of a driveshaft assembly.
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