Turbo Machine

a technology of rotating wheels and rotating shafts, which is applied in the direction of liquid fuel engines, vessel construction, marine propulsion, etc., can solve the problems of high repair costs, increased wear, and certain tendency to oscillate, so as to improve aerodynamics and facilitate the removal of the shroud for maintenance or repair purposes
US20080298970A1Inactive Publication Date: 2008-12-04ALSTOM TECH LTD
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
ALSTOM TECH LTD
Publication Date
2008-12-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

A turbo machine (1, 101), in particular turbine or compressor, includes a rotor (2, 102) which has at least one moving blade row (4, 104) with a plurality of moving blades (5, 105), and a stator (3) which has at least one guide vane row (6, 106) with a plurality of guide vanes (7, 107), at least one moving blade row (4, 104) having a shroud (8, 108). The shroud (8, 108) is designed to be self-supporting in such a way that it can at least partially absorb the centrifugal forces arising during operation and discharge them in the circumferential direction.
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Description

[0001] This application is a Continuation of, and claims priority under 35 U.S.C. § 120 to, International application no. PCT / EP2006 / 065879, filed 31 Aug. 2006, and claims priority therethrough under 35 U.S.C. §§ 119, 365 to Swiss application nos. 01508 / 05, 01509 / 05, both filed 15 Sep. 2005, the entireties of which are incorporated by reference herein.BACKGROUND

[0002] 1. Field of Endeavor

[0003] The present invention relates to a turbo machine, in particular a turbine or a compressor, and, moreover, relates to a shroud or shroud ring for a turbo machine.

[0004] 2. Brief Description of the Related Art

[0005] Turbo machines, such as turbines, in particular gas turbines and steam turbines, and also compressors, include a rotor which is mounted rotatably in a fixed stator. Turbo machines of this type are also designated as rotating turbo machines. The rotor in this case regularly includes a plurality of moving blade rows which in each case include a plurality of moving blades. Correspondingly, ...

Claims

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