Refrigerant allocation between automotive HVAC and engine air/fuel cooling
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United States of America Patent
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Jun 5, 2018
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N/A
app pub date -
Nov 16, 2015
filing date -
Jun 24, 2011
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Abstract
An engine fuel and air cooling system for vehicles exchanges heat between a coolant and air conditioning system refrigerant. The system provides a cabin cooling only mode, a cabin and engine fuel and air cooling mode, and an engine fuel and air cooling only mode. A refrigerant distribution manifold distributes the refrigerant for each mode. The engine fuel and air cooling is provided to a supercharger intercooler to cool air provided to the engine, and to fuel rails to cool fuel provided to the engine. In one embodiment the fuel rails include an inner fuel path surrounded by a coolant path to cool the fuel provided to fuel injectors.
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