Continuous-flow machine, turbine, or compressor

Details Continuous-flow machine, turbine, or compressor Continuous-flow machine, turbine, or compressor

2009-04-24

2011-11-15

Nhu, David (Department: 2895)

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

C415S173600, C060S039010, C060S772000

Reexamination Certificate

active

08057164

ABSTRACT:
A continuous-flow machine (1), in particular a turbine or a compressor, includes at least one stator blade section (2) which has a plurality of stator blades (3) which project into a gas path (10) of a working gas, and at least one adjacent section (6), which has a plurality of adjacent elements (7), which bound the working gas path (10) at the side. A gap (11), through which a cooling gas can be introduced into the working gas path (10), is formed between the stator blades (3) of the stator blade section (2) and the adjacent elements (7) of the adjacent section (6). In order to improve the efficiency of the continuous-flow machine (1), lateral seals (14) are formed in the gap (11) and prevent or at least impede pressure equalization and/or a gas flow in the gap (11) in the lateral direction (5).

REFERENCES:
patent: 5983623 (1999-11-01), Aoki et al.
patent: 6308511 (2001-10-01), Beeck et al.
patent: 7052233 (2006-05-01), Fried et al.
patent: 7128530 (2006-10-01), Anguisola McFeat et al.
patent: 0972910 (2000-01-01), None
patent: 2443117 (2008-04-01), None
Search Report for Swiss Patent App. No. 00738/08 (Oct. 13, 2008).

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