Cooling arrangement

Details Cooling arrangement Cooling arrangement

2006-11-07

2006-11-07

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

With diversely oriented inlet or additional inlet for...

C415S136000, C415S173100

Reexamination Certificate

active

07131814

ABSTRACT:
A cooling arrangement (17) for supplying a first cavity (9) with a cooling gas, in particular in a gas turbine of a power plant, includes a cooling-gas passage (19) which is formed in a first component (6) and connects the first cavity (9) to a second cavity (10). A second component (16) bears against a bearing side (15) remote from the second cavity (10) and separates the first cavity (9) from a third cavity (12). The second component (16) is displaceable within a range of displacement. To improve the cooling effect, an orifice region (20) of the cooling-gas passage (19) is dimensioned and/or positioned in such a way that its orifice cross section (21) projects from the range of displacement to such an extent that it is open at least with a predetermined minimum cross section in any position of the second component (16).

REFERENCES:
patent: 3300178 (1967-01-01), Rizk et al.
patent: 4199151 (1980-04-01), Bartos
patent: 4565492 (1986-01-01), Bart et al.
patent: 5165847 (1992-11-01), Proctor et al.
patent: 6126390 (2000-10-01), Bock
patent: 6340285 (2002-01-01), Gonyou et al.
patent: 6491093 (2002-12-01), Kreis et al.

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