Augmented vaneless diffuser containment
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United States of America Patent
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Jan 18, 2011
Grant Date -
Dec 11, 2008
app pub date -
Jun 5, 2007
filing date -
Jun 5, 2007
priority date (Note) -
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Abstract
A containment system comprises at least one passage obstructer extending from a housing inlet cover through a diffuser passage and into a housing back cover. The passage obstructer includes a fastener portion, such as a bolt, and an obstructing portion extending from and integral to a shaft of the fastener portion. The diameter of the obstructing portion is less than the diameter of the shaft, allowing the obstructing portion to bend upon impact with a burst impeller fragment.
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