Heat exchange – Radiator core type
Patent
1994-12-01
1997-07-15
Flanigan, Allen J.
Heat exchange
Radiator core type
165171, F28D 103
Patent
active
056474334
ABSTRACT:
The present invention is directed to a heat exchanger which includes an upper and a lower tank and a plurality of heat exchange units extending between the upper and lower tanks. Each heat exchanger unit includes a plurality of plane portions and a plurality of pipe portions, each having a longitudinal axis. The pipe portions are spaced from one another at about equal intervals and place the upper and lower tanks in fluid communication. Adjacent pipe portions are connected by the plane portions. The heat exchanger is provided with a plurality of louvers formed in the plane portions along the longitudinal axis of the heat exchange unit. Each louver is formed by twisting a plane belt region which is defined between adjacent slits formed in the plane portions. A plane of each of the louvers is oriented to be substantially parallel to a plane which is perpendicular to the longitudinal axes of pipe portions. The heat exchange units are aligned, so that the plane portions are perpendicular to the flow direction of air which passes through the heat exchanger when the heat exchanger is installed.
REFERENCES:
patent: 2926003 (1960-02-01), Pulsifer
patent: 2999308 (1961-09-01), Pauls
patent: 3286328 (1966-11-01), Anderson
patent: 3368261 (1968-02-01), Pauls
patent: 5067562 (1991-11-01), Ishii
patent: 5099576 (1992-03-01), Shinmura
patent: 5119552 (1992-06-01), Sutou et al.
patent: 5411079 (1995-05-01), Sasaki et al.
Flanigan Allen J.
Sanden Corporation
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