Electric heating – Heating devices – Combined with diverse-type art device
Patent
1980-03-17
1983-01-18
Bartis, A.
Electric heating
Heating devices
Combined with diverse-type art device
62276, 219341, 219365, 219530, 219540, F25D 2108, H05B 302
Patent
active
043693504
ABSTRACT:
A refrigeration evaporator includes a serpentine refrigerant tube having a plurality of finned straight portions connected by unfinned U-shaped connecting portions to form a stacked assembly of side-by-side finned tube arrays. The fins are rectangular and are provided with a J-shaped cut-out at each corner. The J-shaped cut-outs at confronting corners of the fins of each immediately adjacent pair of finned tube arrays define a U-shaped heater receiving space extending the length of the arrays and which clampingly receives an elongated straight portion of a serpentine electric defroster heater in good heat conductive contact with each fin of the immediately adjacent pair of finned tube arrays. Each fin of the stacked assembly has at least two corners in engagement with the heater. The stacked assembly is disposed transversely in a duct having an air inlet and air outlet. The fins nearest the inlet are spaced at a larger interval than those nearest the air outlet to preclude air flow restriction due to greater frost formation on the fins immediately adjacent the inlet.
REFERENCES:
patent: 2492397 (1949-12-01), Peterson
patent: 2529215 (1950-11-01), Hicke
patent: 3099914 (1963-08-01), De Witt et al.
patent: 3786227 (1974-01-01), Seipp et al.
patent: 4152900 (1979-05-01), Chopra et al.
Hosoda Taisei
Innami Tamio
Kobayashi Nobuyuki
Uzuhashi Hideo
Uzuhasi Humito
Bartis A.
Hitachi , Ltd.
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