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CN108571373A 具有用于排气再循环系统的可变冷却剂流动路径的冷却系统 失效 - 放弃专利权

具有用于排气再循环系统的可变冷却剂流动路径的冷却系统
摘要：
一种冷却系统选择性地冷却发动机和发动机的排气再循环(EGR)部件。冷却系统包括具有多个流动支路的管道系统，包括发动机支路、EGR支路和供给支路。发动机支路限定发动机流动通道，冷却剂流过该流动通道以冷却发动机。EGR支路限定EGR流动通道，冷却剂流过该流动通道以冷却EGR元件。供给支路限定供给流动通道。该冷却系统具有第一操作配置，其中EGR流动通道配置成接收来自发动机流动通道的冷却剂流。该冷却系统具有第二操作配置，其中EGR流动通道被配置成从供给流动通道而不是发动机流动通道接收冷却剂流。
摘要（英）：

A cooling system selectively cools an engine and an exhaust gas recirculation (EGR) component of the engine. The cooling system includes a plumbing system with a plurality of flow branches, includingan engine branch, an EGR branch, and a feed branch. The engine branch defines an engine flow passage through which the coolant flows to cool the engine. The EGR branch defines an EGR flow passage through which the coolant flows to cool the EGR component. The feed branch defines a feed flow passage. The cooling system has a first operating configuration in which the EGR flow passage is configured to receive coolant flow from the engine flow passage. The cooling system has a second operating configuration in which the EGR flow passage is configured to receive coolant flow from the feed flow passage instead of the engine flow passage.

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