Heat exchanger

Heat exchange – Side-by-side tubular structures or tube sections – With manifold type header or header plate

Reexamination Certificate

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Details

C165S166000, C165S146000

Reexamination Certificate

active

07493942

ABSTRACT:
Apparatus and method for cooling heated fluids, such as exhaust gases, flowing through a heat exchanger comprising one or more exhaust plenums and one or more coolant plenums, and providing increased coolant velocity in that portion of the coolant plenums contacting the inlet portion of the exhaust plenums. Local increased coolant velocity is provided by any means, including decreasing the area-in-flow of the coolant plenums wherein increased velocity is desired, shaping or baffling either or both inlet or outlet coolant tanks in fluidic contact with coolant plenums wherein increased velocity is desired, or a combination thereof.

REFERENCES:
patent: 1510807 (1924-10-01), Soule
patent: 3525390 (1970-08-01), Rothman
patent: 4466482 (1984-08-01), Dorazio et al.
patent: 4593749 (1986-06-01), Schatz
patent: 4679623 (1987-07-01), Landry et al.
patent: 5107923 (1992-04-01), Sherman et al.
patent: 5465783 (1995-11-01), O'Connor
patent: 6997250 (2006-02-01), Dilley et al.
patent: 2001/0017201 (2001-08-01), Avequin et al.
patent: 2003/0111210 (2003-06-01), Tsujita et al.
patent: 2007/0114013 (2007-05-01), Augenstein et al.

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