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:
Jul. 25, 1989
Filed:
Feb. 08, 1988
Applicant:
Inventor:
Phiroze Bandukwalla, Olean, NY (US);
Assignee:
Dresser-Rand Company, Corning, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
415148 ; 4152084 ;
Abstract
An improved diffuser is provided for centrifugal compressors and the like. In the improved diffuser, ribbed vanes are aligned with the log spiral core flow within the diffuser and are located radially inwardly of full vanes on a fixed or variable width diffuser.