Heat exchange – With first fluid holder or collector open to second fluid
Patent
1998-09-25
2000-05-16
Leo, Leonard R
Heat exchange
With first fluid holder or collector open to second fluid
165174, F28B 106
Patent
active
060623039
ABSTRACT:
A multiflow type condenser for an automobile air conditioner comprising: a pair of header pipes disposed in parallel with each other and arranged to have an inlet and an outlet; a pluratlity of flat tubes each connected to said header pipes at opposite ends thereof, each of said flat tubes having a plurality of inside fluid paths, a hydraulic diameter of said inside fluid paths being in the range of about 1 to 1.7 mm; a plurality of corrugated fins each disposed between adjacent flat tubes; at least a pair of baffles disposed in said header pipes one by one; each of said baffles having a projection inserted into a slit provided with each header pipes and dividing each header pipes into a plurality of chambers; at least one by-pass passageway formed in the baffles to route a vapor-abundant phase of said refrigerant from an upper chamber to a lower chamber within the same header pipes by providing a communication path between the adjacent chambers; a ratio of a hydraulic diameter of said by-pass passageway over said hydraulic diameter of said inside fluid paths being in the range of about 0.28 to 2.25; and an area of a pass on the inlet side is about 30% to 65% of an overall area of all of said passes.
REFERENCES:
patent: 1991631 (1935-02-01), Sangster
patent: 4243094 (1981-01-01), Woodhull, Jr. et al.
patent: 4972683 (1990-11-01), Beatenbough
patent: 4998580 (1991-03-01), Guntly et al.
patent: 5236044 (1993-08-01), Nagasaka et al.
patent: 5372188 (1994-12-01), Dudley et al.
Ahn Yong Gwi
Kim Seung Hwan
Kim Yong Ho
Lee Sang Ok
Lee Sang Yul
Halla Climate Control Corp.
Leo Leonard R
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