Importance

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Abstract

An in-flow air injection housing configured to create suction for pulling a combustion gas through an EGR system. The housing includes an orifice that is configured to receive an inner ring. The inner ring includes an outer groove and a plurality of air jets. The housing further includes a supplemental gas inlet, a supply inlet, and a supply outlet. The supply inlet is configured to receive a supplemental gas that flows through the supplemental gas inlet. The supply outlet is positioned to deliver the supplemental gas received by the supply inlet to the outer groove. The supplemental gas may flow from the outer grove through annular air jets positioned along a side of the inner ring. The flow of supplemental gas through the air jets and into combustion gas(es) may provide momentum and/or friction that draws additional combustion gas through the housing.

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First Claim