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. 14, 2013
Filed:
Mar. 01, 2007
Edward F. Pietraszkiewicz, Southington, CT (US);
John C. Calderbank, Glastonbury, CT (US);
Joseph A. Peto, Newmarket, NH (US);
Lisa P. O'neill, Manchester, CT (US);
Michael J. Bruskotter, Cape Neddick, ME (US);
Edward F. Pietraszkiewicz, Southington, CT (US);
John C. Calderbank, Glastonbury, CT (US);
Joseph A. Peto, Newmarket, NH (US);
Lisa P. O'Neill, Manchester, CT (US);
Michael J. Bruskotter, Cape Neddick, ME (US);
United Technologies Corporation, Hartford, CT (US);
Abstract
A turbine engine blade outer air seal segment has a body having a base portion. The base portion has a transversely concave ID face, a forward end, an aft end, and first and second circumferential edges. The body has at least one mounting hook. At least one cover plate is secured to the body to define at least one cavity. The cover plate has a plurality of feed holes. A plurality of outlet holes extend through the base portion to the ID face. At least one of the base portion and cover plate comprises a protruding portion protruding into the cavity to form a partial restriction separating forward and aft cavity portions.