Supercharger
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United States of America Patent
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Issued Date -
Apr 10, 2008
app pub date -
Sep 27, 2007
filing date -
Sep 28, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A supercharger includes a housing and a turbine shaft supported by the center hole within the housing through rolling bearings. A cooling water jacket within the housing is provided within the main body portion of the housing. The rolling bearings are supplied with lubricant by a tank portion formed within the housing for reserving the lubricant and a wick member provided between the tank portion and the center hole. The wick member 36 includes a core portion configured by a fiber portion and gaps. The lubricant is supplied by the capillary action of the gaps. The porosity of the gap is set to be 45.5% or more and less than 80%.
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