Refrigeration – Refrigeration producer – Evaporator – e.g. – heat exchanger
Patent
1987-12-09
1989-04-18
Capossela, Ronald C.
Refrigeration
Refrigeration producer
Evaporator, e.g., heat exchanger
165166, F25B 3902
Patent
active
048215317
ABSTRACT:
A structural arrangement for an evaporator producing a uniform temperature gradient across its width. The structure is arranged so as to even out the flow of refrigerant within the evaporator. A first tank portion has a inlet and a second tank portion has a outlet. One end of each of plural tubes are connected thereto. A plurality of tubes allow refrigerant to flow from the first tank portion to the second. The tubes are arranged so as to provide equal flow distances for refrigerant across the evaporator, taking into account the directions of flow in the first and second tank portions. In a second embodiment, the inlet port and the outlet port are disposed at the first tank portion and the second tank portion respectively in such a manner that directions of the refrigerant flow within the first tank portion and the second tank portion are opposite to each other. In a third embodiment, one end of a first tube of the plurality is connected to the first tank portion closer to one end of the first tank portion, than where one end of a second tube is connected to the second tank portion closer to the other end of the second tank portion than the other end of the second tube. The inlet port is disposed close to one end of the first tank portion and the outlet port is disposed close to one end of the second tank portion.
REFERENCES:
patent: 3030782 (1982-04-01), Karmazin
patent: 4470455 (1984-09-01), Sacca
patent: 4487038 (1984-12-01), Iijima
patent: 4502297 (1985-03-01), Winterer
patent: 4586566 (1986-05-01), Kern et al.
patent: 4696342 (1987-09-01), Yamauchi et al.
Kasebe Osamu
Kuroyanagi Isao
Ogawa Shinji
Ohhara Toshio
Otsuka Haruhiko
Capossela Ronald C.
Nippondenso Co. Ltd.
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