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. 18, 1999
Filed:
Jan. 13, 1997
Applicant:
Inventors:
Jack L Kerrebrock, Lincoln, MA (US);
Alan H Epstein, Lexington, MA (US);
Assignee:
Massachusetts Institute of Technology, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
415115 ; 415914 ;
Abstract
Improved performance of counter-rotating turbo machines and compressors. An increase in the thermodynamic efficiency of the compression process is obtained by removing the boundary layer in locations where separation is likely to occur.