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. 17, 2015
Filed:
Oct. 24, 2011
Darryl A. Colson, West Suffield, CT (US);
Brent J. Merritt, Southwick, MA (US);
Danielle Mansfield-marcoux, Enfield, CT (US);
Darryl A. Colson, West Suffield, CT (US);
Brent J. Merritt, Southwick, MA (US);
Danielle Mansfield-Marcoux, Enfield, CT (US);
Hamilton Sundstrand Corporation, Windsor Locks, CT (US);
Abstract
A disc for a fan rotor (with a pilot to connect to a rotating shaft, a hub and a plurality of blades) includes a flat circular portion connecting to the pilot at an inner edge and to the hub at an outer edge; a plurality of first circular cooling holes of a first diameter located around the inner edge of the disc; and a plurality of second circular cooling holes of a second diameter located around the outer edge of the disc, wherein the second diameter is larger than the first diameter.