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:
Nov. 08, 1994
Filed:
Nov. 01, 1993
Applicant:
Inventor:
Joost J Brasz, Fayetteville, NY (US);
Assignee:
Lamson Corporation, Syracuse, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
4151991 ; 415187 ; 415188 ; 4151992 ; 4152111 ;
Abstract
A multiple stage centrifugal compressor has baffle rings attached at the inlet to each of the impellers, between a shroud side curvature and a hub side curvature. The dimensions and spacings of the baffle rings are selected as a function of the shroud side radius of curvature R.sub.S and the hub side radius of curvature R.sub.H. For two baffle rings, the radii are