Heat exchanger

Details Heat exchanger Heat exchanger

2007-07-03

2007-07-03

Walberg, Teresa J. (Department: 3744)

Heat exchange

Three non-communicating fluids

C165S133000

Reexamination Certificate

active

11116674

ABSTRACT:
End rings are coupled with upper and lower ends of a cylindrical body tube. A plurality of first heat exchanger tubes are fitted and held in holes provided in a pair of first tube plates. A plurality of second heat exchanger tubes are fitted and held in holes provided in a pair of second tube plates. The inside of each first heat exchanger tubes forms a first-fluid passage for carrying a reformed gas. The space defined between an outer wall of each first heat exchanger tube and an inner wall of the corresponding second heat exchanger tube forms a second-fluid passage for carrying a coolant. The space defined among an inner wall of the body tube and outer walls of the second heat exchanger tubes form a third-fluid passage for carrying compressed air.

REFERENCES:
patent: 1738914 (1929-12-01), Mott
patent: 2263363 (1941-11-01), Menshih
patent: 2332336 (1943-10-01), Norris
patent: 2475025 (1949-07-01), Huff
patent: 2658728 (1953-11-01), Evans
patent: 4090554 (1978-05-01), Dickinson
patent: 2003/0129108 (2003-07-01), Burch et al.
patent: 6-55070 (1994-07-01), None
patent: 07-004778 (1995-01-01), None
patent: 10-213382 (1998-08-01), None
patent: 10-227480 (1998-08-01), None
patent: 11-304389 (1999-11-01), None

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