Exhaust gas heat exchanger

Details Exhaust gas heat exchanger Exhaust gas heat exchanger

2005-10-18

2005-10-18

Flanigan, Allen J. (Department: 3753)

Heat exchange

With adjustor for heat, or exchange material, flow

Branched flow

C165S158000

Reexamination Certificate

active

06955213

ABSTRACT:
An exhaust gas heat exchanger comprising an external shell (20) extending between two tube plates (30, 31) and defining a coolant chamber; internal tubes (38) forming exhaust gas passages which extend between the tube plates (30, 31); an exhaust gas manifold divided by a baffle plate (29) into first and second chambers (26, 28) with an exhaust gas inlet (25) and outlet (27) respectively. The baffle plate (29) is provided with a valve (51) which can be operated between an open position, which exhaust gas flows along the cooling tubes (38), and a closed position, in which exhaust gas is diverted directly from the first chamber (26) to the second chamber (28).

REFERENCES:
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patent: 9621 (1914-01-01), None
patent: 351138 (1931-06-01), None
patent: 2184825 (1987-07-01), None
patent: 52147359 (1977-12-01), None
patent: 06003089 (1994-01-01), None

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