Heat exchange – Radiator core type – Serially connected tube sections
Patent
1985-04-30
1986-10-07
Davis, Jr., Albert W.
Heat exchange
Radiator core type
Serially connected tube sections
165152, 165172, F28D 102, F28F 110
Patent
active
046153837
ABSTRACT:
A serpentine type heat exchanger for use in, for example, an evaporator or condenser in an automobile air conditioner comprises a flat tube provided with a plurality of refrigerant passages therein and bent to form a serpentine tortuous cross section. Corrugated fin units which are folded into wavy form are attached to adjacent parallel portions of the flat tube. The serpentine tortuous flat tube consists of a plurality of parallel portions spaced apart from each other in the longitudinal direction of the tube and a plurality of connecting portions each connecting with two of the adjacent parallel portions. Each connecting portion consists of a plurality of arc shaped segments and at least one central connecting segment. Therefore, the height of the heat exchanger is reduced without reducing the heat exchanging area.
REFERENCES:
patent: 1799626 (1931-04-01), Keith, Jr.
patent: 2322145 (1943-06-01), Kritzer
patent: 2792201 (1957-05-01), Whistler, Jr.
patent: 2886296 (1959-05-01), Wright
patent: 3042380 (1962-07-01), Karmazin
patent: 3196939 (1965-07-01), Erbe et al.
patent: 4386652 (1983-06-01), Dragojevic
Davis Jr. Albert W.
Sanden Corporation
Smith Randolph A.
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