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:
May. 31, 1994
Filed:
Feb. 03, 1993
Applicant:
Inventor:
Colin Osborne, Norwich, VT (US);
Assignee:
Dresser-Rand Company, Corning, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D / ; F04D / ;
U.S. Cl.
CPC ...
4152084 ; 4152083 ;
Abstract
A multi-row rib diffuser is provided which comprises a first row of low ribs with relatively small height extending into regions of very low flow angle and a row of high ribs located behind the leading edge of the first row of ribs. The high ribs extend further into the region of the low flow angle and accept the connected flow from the low ribs as well as additional low angle flow not corrected by the low ribs.