Louvered air center with vortex generating extensions for...

Details Louvered air center with vortex generating extensions for... Louvered air center with vortex generating extensions for...

2011-03-29

2011-03-29

Duong, Tho V (Department: 3744)

Heat exchange

Radiator core type

Deformed sheet forms passages between side-by-side tube means

C165S109100, C165S179000

Reexamination Certificate

active

07913750

ABSTRACT:
A heat exchanger assembly includes an upper and lower manifold. A plurality of tubes have flat sides and extend between the upper and lower manifold. A plurality of fins extend back and forth between and along the flat sides of adjacent ones of the tubes forming a continuous serpentine path. Each of the fins include a plurality of legs that extend between the adjacent ones of the tubes. A plurality of end portions extend along the tube sides so that adjacent legs are connected by one of the end portions to define a tube space between said adjacent legs. Each of the tubes include a plurality of spaced protrusions extending outwardly from both of the flat sides of said tubes into the tube space between the legs. A plurality of spaced projections extend inwardly from said end portions of said fins between said legs for interrupting air flow.

REFERENCES:
patent: 4470452 (1984-09-01), Rhodes
patent: 5185925 (1993-02-01), Ryan et al.
patent: 5890288 (1999-04-01), Rhodes et al.
patent: 6510870 (2003-01-01), Valaszkai et al.
patent: 7011150 (2006-03-01), Komatsubara et al.
patent: 7182128 (2007-02-01), Yu et al.
patent: 2007/0012430 (2007-01-01), Duke et al.

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