A THERMOPLASTIC HEAT EXCHANGER AND METHOD OF MAKING THE SAME

WIPO Patent Application WO2003029744

A3

A heat exchanger comprising hollow thermoplastic tubes, which are fusion bonded with a thermoplastic resin to form unified terminal end blocks (32, 34), is disclosed. The hollow tubes may be shaped by plaiting or braiding the tubes into cords (70, 72) and then thermally annealing the cords (70, 72) to set the crests and bends of the plait or braid. The cords (70, 72) provide improved flow distribution of fluid about the hollow tubes in the heat exchanger. The heat exchanger is chemically inert and is useful for cross-flow filtration, as well as for heat- and mass-transfer applications in harsh chemical environments.

JP2542289	[Title of Invention] Fluid Separator
JP2003326138	END SEALING METHOD OF POROUS CERAMIC HOLLOW-FIBER MEMBRANE
JP3473300	AROMATIC POLYIMIDE GAS SEPARATION FILM

DOH CHA P (US)
CHENG KWOK-SHUN (US)
BRIGGS ALICIA (US)

PCT/US2002/030493

October 09, 2003

September 26, 2002

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MYKROLIS CORP (US)
DOH CHA P (US)
CHENG KWOK-SHUN (US)
BRIGGS ALICIA (US)

B01D53/22; B01D61/02; B01D61/14; B01D63/00; B01D63/02; B01D63/06; B01D69/08; B01D71/26; B01D71/32; B01D71/36; B01D71/52; C02F1/44; F28D7/02; F28D7/08; F28D7/10; F28D7/16; F28D9/02; F28F1/10; F28F9/18; F28F21/06; (IPC1-7): F28D7/02

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See also references of EP 1432955A4

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