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Patent Searching and Data

Document Type and Number:
Japanese Patent JPH03501103
Kind Code:
PCT No. PCT/AU88/00159 Sec. 371 Date Jan. 2, 1990 Sec. 102(e) Date Jan. 2, 1990 PCT Filed May 25, 1988 PCT Pub. No. WO88/09261 PCT Pub. Date Dec. 1, 1988.This invention relates to an improved method of manufacturing a heat exchanger element. In a second aspect the invention concerns a heat exchanger element itself. In the third aspect the invention concerns a reservoir suitable for housing the heat exchanger element to form a heat exchanger. The element is manufactured by extruding polyethylene tubes and winding them into spiral coils. Each coil is located along the length of a rigid horizontal spacer bar in order to maintain even spacing of the coil. The element comprises a stack of coils which are not restrained against vertical movement. The element also comprises a cylindrical void through the center.

Merry full, albert edward
Application Number:
Publication Date:
March 14, 1991
Filing Date:
May 25, 1988
Export Citation:
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Dunham Bush International (Cayman) Limited
International Classes:
F28F9/00; B29C53/08; B29C53/12; B29C53/32; B29C69/00; B29D99/00; F28D7/02; F28D7/04; F28D20/02; F28F9/013; F28F21/06; B29C48/00; B29C48/09; B29C48/13; B29K23/00; B29L31/18; (IPC1-7): B29C53/32; B29C69/00; B29D31/00; B29K23/00; B29L31/18; F28F9/00
Attorney, Agent or Firm:
Sota Asahina (2 outside)