| 摘要 |
A valve for use in an EGR system for an internal combustion engine has a housing having an exhaust inlet, an EGR outlet, an exhaust outlet and a bleed air inlet. A butterfly plate is pivotally connected to the housing. The butterfly plate has at least a first position and a second position, wherein the first position defines a first fluid path between the exhaust inlet and the EGR outlet and defines a second fluid path between the bleed air inlet and the exhaust outlet, and wherein the second position defines a third fluid path between the exhaust inlet and the exhaust outlet and defines a fourth fluid path between the bleed air inlet and the EGR outlet.
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