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. 17, 1988
Filed:
Jul. 13, 1987
Applicant:
Inventors:
Walter L Brassert, Belmont, MA (US);
Pat A Capone, Lynnfield, MA (US);
Anthony F Carter, Newton, MA (US);
Arnold M Heitmann, Woburn, MA (US);
Willem Jansen, Woburn, MA (US);
Robert M Sexton, Woburn, MA (US);
Salaiyur N Thirumalaisamy, Newton, MA (US);
Assignee:
Northern Research and Engineering Corp., Woburn, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L / ; F01D / ;
U.S. Cl.
CPC ...
415158 ; 7386214 ; 415 94 ;
Abstract
In the embodiment depicted, the dynamometer is of an absorption type, for fluid, having fluid entries on both axial ends thereof, and a rotor having blades disposed, in a radial exit flow path, in parallel with the rotor axis. Adjustable, annular, blade shrouds, controlled simultaneously, expose more or less of the blade lengths to the radial exit fluid flow path.