Tube spacer, method of manufacturing the same, and heat...

Details Tube spacer, method of manufacturing the same, and heat... Tube spacer, method of manufacturing the same, and heat...

2007-11-29

2011-10-04

Duong, Tho V (Department: 3744)

Heat exchange

Tubular structure

With discrete heat transfer means

C165S067000

Reexamination Certificate

active

08028747

ABSTRACT:
A tube spacer S formed by bending a wire, includes a plurality of projections20and a base-bending portion21. Each of the projections20is inserted between tubes, and has a pair of extending portions201extend in X direction and a front-bending portion202for connecting both front ends of the pair of extending portions201. The base-bending portion21connects both rear ends of the projections20so that the projections20are arranged at interval in Z direction. With this structure, manufacturing cost for the tube spacer S can be low, and the tubes can be stably supported.

REFERENCES:
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patent: 2620170 (1952-12-01), Brickman
patent: 4337827 (1982-07-01), Jabsen
patent: 4655282 (1987-04-01), Roffelsen
patent: 6192976 (2001-02-01), Yoshida et al.
patent: 7322403 (2008-01-01), Agee
patent: 55-014984 (1980-02-01), None
patent: 05340685 (1993-12-01), None
patent: 2540034 (1997-04-01), None
patent: 2001-174171 (2001-06-01), None
patent: WO-2005/108875 (2005-11-01), None

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