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:
Feb. 13, 1990
Filed:
Mar. 08, 1989
Applicant:
Inventors:
James B Wulf, Williamsville, NY (US);
Timothy D Craig, Buffalo, NY (US);
Alfred P Evans, Orchard Park, NY (US);
Ross H Sentz, Williamsville, NY (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
4152245 ; 415207 ; 4152121 ;
Abstract
A centrifugal compressor having a two section diffuser which has a tapered section having a constant diffusing area along its radial length, and a straight section having an increasing diffusing area along its radial length, and a diffusing volute having a throat area significantly larger than conventional designs.