Eli H Benstein from 6820 Carrietowne Ln, Toledo, OH 43617, age 95, Phone: 4198437223

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Vortex Controlled Radial Diffuser For Centrifugal Compressor
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US Patent:

44313748, Feb 14, 1984
Filed:

Feb 23, 1981
Appl. No.:

6/236649
Inventors:

Eli H. Benstein - Toledo OH
Gerald D. Stringham - Sylvania OH
Michael R. Holbrook - Lambertville MI
Assignee:

Teledyne Industries, Inc. - Los Angeles CA
International Classification:

F04D 2944
US Classification:

415211
Abstract:

The present invention is an improvement in radial diffusers employed in a turbine engine having a centrifugal compressor. The walls of the diffuser define at least one flow passage through the diffuser having a first portion with a first cross-sectional area and a second portion having a larger, second cross-sectional area. The first wall section is spaced apart from the second wall section so as to define a bleed aperture therebetween. A vortex fence extends outwardly from the wall surface at the leading edge of the second wall portion. Preferably, the bleed aperture and the vortex fence are disposed on the suction surface of each vane in a vaned radial diffuser.

This is the Herbert and Valmae Freilich Foundation Annual Lecture in B...

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