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A deswirler system for a centrifugal compressor of a gas turbine engine that improves overall engine performance as a result of exhibiting significantly reduced friction losses. The deswirler system generally entails an annular-shaped manifold having an inlet configured to receive radially-outward f

A deswirler system for a centrifugal compressor of a gas turbine engine that improves overall engine performance as a result of exhibiting significantly reduced friction losses. The deswirler system generally entails an annular-shaped manifold having an inlet configured to receive radially-outward flowing gas from a diffuser of the compressor, an outlet configured to discharge the gas in an axial downstream direction, and an arcuate passage therebetween. The deswirler system further includes a plurality of deswirler vanes directly within the arcuate passage and closely coupled to the diffuser.

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[ What is claimed is:] [1.]1. A deswirler system of a centrifugal compressor for a gas turbine engine, the deswirler system being between a diffuser and a combustor of the gas turbine engine, the deswirler system comprising:an annular-shaped manifold having an inlet configured to receive radially-ou

[ What is claimed is:] [1.]1. A deswirler system of a centrifugal compressor for a gas turbine engine, the deswirler system being between a diffuser and a combustor of the gas turbine engine, the deswirler system comprising:an annular-shaped manifold having an inlet configured to receive radially-outward flowing gas from the diffuser, an outlet configured to discharge the gas in an axial downstream direction into the combustor, and an arcuate passage therebetween; anda plurality of deswirler vanes within the arcuate passage, at least some of the deswirler vanes having a leading edge closely coupled to an outlet of the diffuser and a trailing edge closely coupled to an inlet to the combustor. [23.]23. A deswirler system of a centrifugal compressor for a gas turbine engine, the deswirler system comprising:an annular-shaped manifold having an inlet configured to receive radially-outward flowing gas from a diffuser that comprises a plurality of diffuser passages defined by a plurality of diffuser vanes, the manifold further having an outlet configured to discharge the gas in an axial downstream direction, and an arcuate passage therebetween; anda plurality of deswirler vanes within the arcuate passage, at least some of the deswirler vanes extending the entire length of the arcuate passage between the inlet and outlet of the manifold the at least some deswirler vanes being present within the arcuate passage as an integer multiple of the number of diffuser passages and being circumferentially offset from one of the diffuser vanes.