Supersonic compressor

Roberts, II, William Byron; Lawlor, Shawn P.; Breidenthal, Robert E.

Title: Supersonic compressor

Patent · Tue Apr 12 00:00:00 EDT 2016

OSTI ID:1246895

Roberts, II, William Byron; Lawlor, Shawn P.; Breidenthal, Robert E.

A supersonic compressor including a rotor to deliver a gas at supersonic conditions to a diffuser. The diffuser includes a plurality of aerodynamic ducts that have converging and diverging portions, for deceleration of gas to subsonic conditions and then for expansion of subsonic gas, to change kinetic energy of the gas to static pressure. The aerodynamic ducts include vortex generating structures for controlling boundary layer, and structures for changing the effective contraction ratio to enable starting even when the aerodynamic ducts are designed for high pressure ratios, and structures for boundary layer control. In an embodiment, aerodynamic ducts are provided having an aspect ratio of in excess of two to one, when viewed in cross-section orthogonal to flow direction at an entrance to the aerodynamic duct.

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Research Organization:: Dresser-Rand Company, Olean, NY (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FE0000493

Assignee:: Dresser-Rand Company (Olean, NY)

Patent Number(s):: 9,309,893

Application Number:: 13/542,678

OSTI ID:: 1246895

Resource Relation:: Patent File Date: 2012 Jul 06

Country of Publication:: United States

Language:: English

References (17)

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Method and apparatus for power generation using rotating ramjet which compresses inlet air and expands exhaust gas against stationary peripheral wall Lawlor, Shawn P. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5709076 US Patent Document 5,709,076	patent	January 1998
Radial split diffuser Romani, Giuseppe; Stastny, Jan; Rukin, Grigory https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6280139 US Patent Document 6,280,139	patent	August 2001
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Supersonic gas compressor Lawlor, Shawn P.; Novaresi, Mark; Cornelius, Charles C. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7293955 US Patent Document 7,293,955	patent	November 2007
Supersonic compressor Lawlor, Shawn P.; Novaresi, Mark; Cornelius, Charles C. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7334990 US Patent Document 7,334,990	patent	February 2008
Rotary ramjet engine Brouillette, Martin; Plante, Jean-Sebastien https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7337606 US Patent Document 7,337,606	patent	March 2008
Gas turbine power plant with supersonic shock compression ramps Lawlor, Shawn P.; Novaresi, Mark; Cornelius, Charles C. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7434400 US Patent Document 7,434,400	patent	October 2008
Bleed off valve system Cadieux, Michel https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7594403 US Patent Document 7,594,403	patent	September 2009
Rotary ramjet turbo-generator Dahm, Werner J. A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7685824 US Patent Document 7,685,824	patent	March 2010
Adjustable guide device Battig, Josef https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8021106 US Patent Document 8,021,106	patent	September 2011
Method and apparatus for starting supersonic compressors Lawlor, Shawn P. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8152439 US Patent Document 8,152,439	patent	April 2012
Diffusor Kuhnel, Janpeter; Feld, Heinz-J{dot over (u.)}rgen; Lindblom, Christine https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8162604 US Patent Document 8,162,604	patent	April 2012
Collapsible supersonic inlet centerbody Fink, Lawrence E. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8371324 US Patent Document 8,371,324	patent	February 2013
Method and apparatus for starting supersonic compressors Lawlor, Shawn P. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8500391 US Patent Document 8,500,391	patent	August 2013
Supersonic compressor rotor and method of compressing a fluid Hofer, Douglas Carl; Gottapu, Dhananjayarao https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8770929 US Patent Document 8,770,929	patent	July 2014

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