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. 24, 1994
Filed:
Dec. 18, 1992
Applicant:
Inventor:
James L Farmer, Tempe, AZ (US);
Assignee:
AlliedSignal Inc., Morris Township, Morris County, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
416-2 ; 416 61 ; 4162 / ;
Abstract
A turbine or compressor blade designed for deliberate, controlled failure in a gas turbine engine during testing of the engines, includes a lower-strength tubular insert in an axial through bore in the root portion of the blade, which insert fails at preselected conditions to induce blade failure.