HEADER PIPE FOR HEAT EXCHANGER

Title:

HEADER PIPE FOR HEAT EXCHANGER

Document Type and Number:

WIPO Patent Application WO/2000/026600

Kind Code:

A1

Abstract:

A header pipe for a heat exchanger in which ends of a plurality of stacked tubes (2) are inserted into tube insertion holes (5) of a pair of header pipes (4), with fins (3) interposed between the tubes (2). The header pipe (4) is made by rolling a plate into a cylinder and is formed with a plurality of tube insertion holes (5) in which to insert tubes and with a coolant inlet/outlet port (14, 15) through which a heat exchange medium flows in or out. The coolant inlet/outlet port constitutes a heat exchanger header pipe formed at a location between the tube insertion holes (5, 5). With this arrangement, the positions of the holes such as tube insertion holes or coolant inlet/outlet port are changed, thereby preventing deformations of these holes, improving assembly performance and solderability.

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Inventors:

KATO SOICHI (JP)

Application Number:

PCT/JP1998/004974

Publication Date:

May 11, 2000

Filing Date:

November 04, 1998

Export Citation:

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Assignee:

ZEXEL CORP (JP)
KATO SOICHI (JP)

International Classes:

F28F9/02; F28F9/04; (IPC1-7): F28F9/02

Foreign References:

JPH05149692A	1993-06-15
JPH04288492A	1992-10-13
JPH1089883A	1998-04-10

Attorney, Agent or Firm:

Mori, Masazumi (Honcho 2-chome Nakano-ku Tokyo, JP)

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