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:
Sep. 24, 2019
Filed:
Mar. 28, 2017
United Technologies Corporation, Farmington, CT (US);
Brian P. Cigal, Windsor, CT (US);
Christopher T. Anglin, Manchester, CT (US);
United Technologies Corporation, Farmington, CT (US);
Abstract
A sealing apparatus for rotational equipment includes an annular seal plate rotatable around an axis. The annular seal plate includes an annular seal land surface, an internal plenum, a plurality of inlet passages, a plurality of cooling passages and a plurality of outlet passages. The inlet passages are arranged about the axis. Each of the inlet passages extends into the annular seal plate to the internal plenum. The cooling passages are arranged about the axis. Each of the cooling passages extends into the annular seal plate from the annular seal land surface to the internal plenum. The outlet passages are arranged about the axis. Each of the outlet passages extends into the annular seal plate to the internal plenum. The outlet passages are arranged radially between the inlet passages and the cooling passages.