| 摘要 |
An air cleaner is provided for use with an engine turbocharger having a housing with an inlet and compressor means contained within the housing. The air cleaner is operatively positioned between the air inlet and the compressor means of the turbocharger and comprises an annulus contained within and spaced from the turbocharger housing so that the annulus defines a semitoroidal fluid passageway between the air inlet and the compressor means of the turbocharger. An annular opening is formed around the outer periphery of the toroidal fluid passageway adjacent its outlet and the annular opening is fluidly coupled with an exhaust system. As an air and solid particle mixture from the air inlet of the turbocharger flows through the semitoroidal fluid passageway, the solid particles migrate to the outer periphery of the passageway due to centrifugal force and, thus, flow through the annular opening and to the exhaust system so that only filtered air is supplied to the turbocharger compressor means.
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