Refrigeration – Refrigeration producer – Evaporator – e.g. – heat exchanger
Reexamination Certificate
2008-05-06
2008-05-06
Jules, Frantz (Department: 3744)
Refrigeration
Refrigeration producer
Evaporator, e.g., heat exchanger
Reexamination Certificate
active
11100155
ABSTRACT:
A refrigerant evaporator includes a tank constituted by a tank portion and a header plate. The tank portion includes refrigerant collecting portions for guiding the refrigerant passed through a first path to the ends of the tank in the right-and-left direction and refrigerant distributing portions for guiding the refrigerant to the tubes forming a second pass. The header plate has refrigerant collecting/distributing space for the tubes. Side tanks are arranged to cover open portions at the ends of the tank in the right-and-left direction, and to spatially connect the flow passages. Separators are provided at portions where the flow passages are to be spatially blocked to constitute a front-and-rear right-and-left cross path. An increased sectional area of flow passages is obtained at the refrigerant flow corner portions relying upon a simple constitution, to decrease the pressure loss on the refrigerant side in the tank and to enhance performance.
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Hasegawa Etsuo
Katoh Yoshiki
Kawakubo Masaaki
Corrigan Joseph
Denso Corporation
Harness Dickey & Pierce PLC
Jules Frantz
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