Compressor housing, compressor including the compressor housing, and turbocharger including the compressor
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United States of America Patent
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-
Dec 20, 2022
Grant Date -
Aug 12, 2021
app pub date -
Jan 15, 2021
filing date -
Feb 6, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A compressor housing includes: an intake flow path-forming section configured to form an intake flow path; a shroud portion including a shroud surface curved in a protruding manner to face blades of an impeller; and a scroll flow path-forming section configured to form a scroll flow path through which gas is guided outside the compressor housing. A groove portion extending in a circumferential direction is defined in the shroud surface and, in a cross-sectional view taken along an axis of the impeller, the groove portion includes a downstream side wall surface, wherein a distance from the axis of the impeller to the downstream side wall surface increases toward an upstream side from a downstream side end portion of the groove portion, and an upstream side curved surface that is recessed between an upstream end of the downstream side wall surface and an upstream side end portion of the groove portion.
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