The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 30, 2010
Filed:
Apr. 21, 2008
Bahram Nikpour, Huddersfield, GB;
Bahram Nikpour, Huddersfield, GB;
Holset Engineering Company, Limited, Huddersfield, GB;
Abstract
A compressor comprises an impeller () provided with a plurality of radial blades (). The impeller () has an inducer diameter defined by the outer diameter of front edges () of the blades (), and an outer diameter defined by the outer diameter of the blade tips (). Each blade () is backswept relative to the direction of rotation of the impeller () with an angle of backsweep in the range 45° to 55°. The ratio of the impeller inducer diameter to the impeller outer diameter is in the range 0.59 to 0.63. The ratio of the compressor diffuser outlet diameter to the impeller outer diameter is between 1.4 and 1.55.