| 摘要 |
An apparatus for recycling exhaust gas for reducing noxious portions in the exhaust gases of an internal combustion engine, wherein the flow of exhaust gas between an exhaust gas tapping point on the exhaust manifold and a tapping point on the intake manifold is controlled by an EGR-valve subjected to a controlled suction pressure at the intake manifold through the intermediary of a pressure converter, such that the amount of exhaust gas recycled at low engine loads is proportionately reduced in relation to engine mixture rate to provide a lower ratio of recycled gas to mixture rate at low loads as compared to the ratio at high loads.
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