Heat exchanger with pipe coils and helical spreader ribs

Details Heat exchanger with pipe coils and helical spreader ribs Heat exchanger with pipe coils and helical spreader ribs

2007-08-28

2007-08-28

Walberg, Teresa J. (Department: 3744)

Heat exchange

Casing or tank enclosed conduit assembly

Conduit coiled within casing

C165S159000

Reexamination Certificate

active

11186285

ABSTRACT:
Addressed is a heat exchanger including a housing having an internal wall defining at least one internal chamber incorporating at least one core having a wall defining in the chamber, with the internal wall of the housing across from it, at least one exchange cavity including at least one tubular hollow coil having ends passing through the housing to make it possible for it to be supplied with a primary fluid, at least one inlet and at least one outlet that are axially opposite for circulation of a secondary liquid in the exchange cavity in contact with each coil and at least one tangential spreader rib, extending in projection with respect to a wall across from the coil and not parallel to the axial circulation direction, but adapted in order not to inhibit the circulation of the secondary liquid. The thermal exchanger includes at least one tangential helical rib and at least one coil having different winding directions.

REFERENCES:
patent: 1776135 (1930-09-01), Smith
patent: 1893484 (1933-01-01), Belt
patent: 3700030 (1972-10-01), Bosquain et al.
patent: 4013402 (1977-03-01), Klein et al.
patent: 5379832 (1995-01-01), Dempsey
patent: 6027241 (2000-02-01), King
patent: 2 096 804 (1972-03-01), None
patent: 2 686 408 (1993-07-01), None
patent: WO 00/79200 (2000-12-01), None

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