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Improved regulation of air intake temperature and recirculated exhaust gas temperature, uses control of entry of exhaust gas and a controlled bypass to control heat exchange between exhaust gas, intermediate fluid and intake air
Improved regulation of air intake temperature and recirculated exhaust gas temperature, uses control of entry of exhaust gas and a controlled bypass to control heat exchange between exhaust gas, intermediate fluid and intake air
The regulation system has a principal device (30) exchanging heat between a fluid and intake air and between the fluid and the recirculated exhaust gas. A bypass (44) round the heat exchanger (30) carries a mixture of intake air and recirculated exhaust gas round the heat exchanger. Valves (50,52) control the proportion of exhaust entering the heat exchanger. A valve (54) controls bypass flow.
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