Cooling channel formed in a wall

Details Cooling channel formed in a wall Cooling channel formed in a wall

2009-01-21

2011-12-06

Lee, Cheung (Department: 2812)

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

C416S09700R

Reexamination Certificate

active

08070440

ABSTRACT:
A wall element having at least one cooling channel formed therein, the wall element presenting an inside surface and an outside surface, the channel comprising a hole and a diffusion portion, the hole opening out at one end in the inside surface, and at the other end in a diffusion portion where it forms an orifice, the diffusion portion flaring around said orifice and being defined by a bottom wall and a side margin. Said bottom wall presents a first plane portion into which the hole opens out, and a second plane portion situated in front of the first plane portion, said first and second plane portions being inclined in the thickness of the wall. The oriented angle of inclination of said first plane portion is less than the positive oriented angle of inclination of said second plane portion.

REFERENCES:
patent: 2007/0025852 (2007-02-01), Camhi et al.
patent: 1 228 832 (2002-08-01), None
patent: 2 889 089 (2007-02-01), None

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