| 摘要 |
An exemplary port ( 180, 180 ') includes a first port opening ( 182, 182 ') positioned at a location downstream from a compressor wheel ( 140 ), a second port opening ( 184, 184 ') positioned at a location adjacent to a blade ( 144 ) of the compressor wheel ( 140 ), and a third port opening ( 186, 186 ') positioned at a location upstream from the compressor wheel ( 140 ) wherein the first port opening and the third port opening define a first flow path and wherein a second flow path extending from the second port opening meets the first flow path at a confluence ( 188, 188 '). The first flow path optionally includes a venturi section, for example, wherein the confluence coincides at least in part with the venturi section. Other exemplary ports, compressor shrouds, systems and methods are also disclosed.
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