David J Jang

US Patent:

20130280028, Oct 24, 2013

Filed:

Apr 24, 2012

Appl. No.:

13/454304

Inventors:

Daniel Benjamin - Simsbury CT, US
Daniel Carminati - Berlin CT, US
David S. Jang - Sammamish WA, US

Assignee:

UNITED TECHNOLOGIES CORPORATION - Hartford CT

International Classification:

F02C 7/12

US Classification:

415 1, 415177, 415180, 4151691

Abstract:

A thermal management system for a gas turbine engine includes a high pressure compressor rotor having a plurality of disks and a shaft; at least one forward cavity formed between a rim of at least one of the disks and the shaft and at least one aft cavity formed between a rim of at least one other of the disks and the shaft; a first flow of cooling air in the at least one forward cavity; and a second flow of cooling air in the at least one aft cavity.

US Patent:

20120112415, May 10, 2012

Filed:

Nov 10, 2010

Appl. No.:

12/943400

Inventors:

Daniel Benjamin - Simsbury CT, US
David S. Jang - Sammamish WA, US

Assignee:

UNITED TECHNOLOGIES CORPORATION - Hartford CT

International Classification:

F16J 15/16
F16J 15/447

US Classification:

277303, 277500, 277300

Abstract:

A seal assembly includes a first component, a second component that defines an outer surface and is located radially inward from the first component, a groove defined in the second component and arranged to face the first component, and a seal ring positioned between the first and second components and extending at least partially into the groove. The seal ring defines an outer diameter surface and a first lateral surface adjoining the outer diameter surface. The seal ring is split to define a first free end and a second free end, and the first and second free ends are configured to overlap along a split surface that extends from the first lateral surface to the outer diameter surface.