REFRIGERANT CONDENSER

WIPO Patent Application WO/2001/001051

A1

A refrigerant condenser which comprises a core (10) including a number of parellel tubes (11), and headers (20, 30) attached to both sides of the core (10). The refrigerant condenser further comprises a tank (50) attached to the header (20) to enhance condensation efficiency and supercooling efficiency. The core (10) has a second condenser (10a), a first condenser (10b), and a supercooler (10c) in the order from the top. A gas-phase refrigerant flowing into the intermediate chamber (25b) of the header (20) is passed through the first condenser (10b), during which it is cooled to migrate into a gas-liquid mix phase, and it is blown into the intermediate chamber (35b) of the header (30) to enter the gas-liquid separating chamber (54) of the tank (50) via a first communication passageway (58). The gas-phase refrigerant, separated in the separating chamber (54), passes through a second communication passageway (55) and then through the upper chamber (30a) of the header (30) and is condensed in the second condenser (10a) to migrate into a liquid phase. The liquid-phase refrigerant, separated in the gas-liquid separating chamber (54), passes through a third communication passageway (59) and then through the lower chamber (35c) of the header (30) and is supercooled in the supercooler (10c).

SAKURADA MUNEO (JP)
KATO SOICHI (JP)

PCT/JP2000/004024

January 04, 2001

June 20, 2000

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ZEXEL CORP (JP)
SAKURADA MUNEO (JP)
KATO SOICHI (JP)

F25B39/04; F25B40/02; F25B43/00; (IPC1-7): F25B39/04

US5755113A	1998-05-26
JPH0370951A	1991-03-26
EP0886113A2	1998-12-23
US5884503A	1999-03-23
JPH102637A	1998-01-06
US5546761A	1996-08-20
JPH10205920A	1998-08-04
JPH04174296A	1992-06-22

Watanabe, Noboru (Kudanminami 3-chome Chiyoda-ku, Tokyo, JP)

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