Exhaust bypass flow control for exhaust heat recovery
Patent
·
OSTI ID:1221376
An exhaust system for an engine comprises an exhaust heat recovery apparatus configured to receive exhaust gas from the engine and comprises a first flow passage in fluid communication with the exhaust gas and a second flow passage in fluid communication with the exhaust gas. A heat exchanger/energy recovery unit is disposed in the second flow passage and has a working fluid circulating therethrough for exchange of heat from the exhaust gas to the working fluid. A control valve is disposed downstream of the first and the second flow passages in a low temperature region of the exhaust heat recovery apparatus to direct exhaust gas through the first flow passage or the second flow passage.
- Research Organization:
- GM Global Technology Operations LLC, Detroit, MI (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC26-04NT42278
- Assignee:
- GM Global Technology Operations LLC (Detroit, MI)
- Patent Number(s):
- 9,140,168
- Application Number:
- 12/752,648
- OSTI ID:
- 1221376
- Country of Publication:
- United States
- Language:
- English
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