Heat exchange – Radiator core type – Deformed sheet forms passages between side-by-side tube means
Patent
1986-03-24
1988-02-09
Davis, Jr., Albert W.
Heat exchange
Radiator core type
Deformed sheet forms passages between side-by-side tube means
165166, 165176, F28D 102
Patent
active
047236019
ABSTRACT:
A multi-layer type heat exchanger is formed by a row of parallel flat tubes each having tank portions spaced widthwise of the flat tube and disposed adjacent to one end thereof. Each tube defines therein a passage for a heat transfer fluid extending from one tank portion towards the other end of the tube and is then turned to the other tank portion. The flat tubes are stacked such that the tank portions are connected together in fluid-flow communication with each other. The portions of each adjacent pair of tubes excepting the tank portions are spaced apart to accommodate a corrugated fin. Each tube is formed by two press-worked core plates soldered together to form the passage in the tube. Two adjacent core plates of each adjacent pair of tubes have bent end portions extending to and engaged with each other or integrally connected together to support the other ends of the adjacent tubes in spaced relationship to accommodate the fin therebetween.
REFERENCES:
patent: 3258832 (1966-07-01), Gerstung
patent: 3262496 (1966-07-01), Bawabe
patent: 4217953 (1980-08-01), Sonoda et al.
patent: 4327802 (1982-05-01), Beldam
patent: 4423772 (1984-01-01), Dahlgren
patent: 4487038 (1984-12-01), Iijima
patent: 4605060 (1986-08-01), Andersson et al.
Kittaka Kiyoshi
Miyata Yoshio
Ohara Toshio
Sudo Yasuhiro
Tsuchiya Kiyomitsu
Cole Richard R.
Davis Jr. Albert W.
Nippondenso Co. Ltd.
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