Engine exhaust heat recovering apparatus

Details Engine exhaust heat recovering apparatus Engine exhaust heat recovering apparatus

2005-07-05

2005-07-05

Ford, John K. (Department: 3753)

Heat exchange

Structural installation

Engine

C165S047000, C165S916000, C165S921000, C123S041330, C123S1960AB, C060S614000, C060S616000, C060S618000, C060S648000, C060S267000

Reexamination Certificate

active

06913068

ABSTRACT:
A circulating path12is provided for circulating a heat transfer medium across the cooling section6A and an exhaust heat exchanger9. The circulating path12is communicated to an output heat exchanger which is mounted on a hot water storage. The heat transfer medium is circulated by a pump10from the exhaust heat exchanger9to the oil heat exchanger5and the cooling section6A. The heat transfer medium to be introduced into the exhaust heat exchanger9is so controlled in the flow rate that a temperature of the water vapor in the exhaust gas is declined to a temperature lower than the dew point. The heat transfer medium when having received heat directly from the exhaust gas and heat generated by condensation of the exhaust heat is conveyed to the cooling section6A where its temperature soars up further.

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Derwent Acc No. 1997- 066807, DE 29513957, first Figure (Jan 9, 1997).

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