带有减少的冷凝物形成的排气再循环

By measuring the temperature, pressure, and humidity of the exhaust-air mixture upstream of the compressor and using a venturi valve or controllable valve to reduce the pressure, the problem of condensation in the low-pressure exhaust recirculation system at high altitudes and low temperatures was solved, and the system was able to operate stably.

CN110566353BActive Publication Date: 2026-07-17FORD GLOBAL TECH LLC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FORD GLOBAL TECH LLC
Filing Date
2019-06-05
Publication Date
2026-07-17

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Abstract

本发明涉及带有减少的冷凝物形成的排气再循环。描述了一种用于操作具有包括涡轮机(12)和压缩机(13)的机械增压器(11)并且具有用于排气再循环的装置的燃烧式发动机(10)的方法，其中，在排气再循环期间，由燃烧式发动机排出的排气流过涡轮机(12)，与涡轮机(12)下游的空气混合并且被供应(41)到压缩机(13)。该方法包括以下步骤：‑排气‑空气混合物的温度、压力和湿度在压缩机上游被确定(42)，‑排气‑空气混合物的最大湿度根据压力针对确定的温度被建立(43)，并且‑如果排气‑空气混合物的确定的湿度高于建立的最大湿度(44)，则压缩机上游的排气‑空气混合物的压力降低(46)至确定的湿度高于最大湿度(45)的压力。
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