Patent · US Active

Sealing interface for a case of a gas turbine engine

US11008890B2 · kind B2 · utility

0Cited by

5References

10Claims

0Family size

Assignee

RAYTHEON TECHNOLOGIES CORPORATION · US

Inventors

Jonathan Lemoine · Vernon, US
Steven J. Bauer · Richland Center, US
Judith F. Brooks · Palo Alto, US

Key dates

Filing date	Nov 23, 2015
Grant date	May 18, 2021
Priority date	—
Expiry date	Nov 7, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2240/58
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A case assembly for a gas turbine engine, includes a case with a case boss, said case boss including a peripheral wall that defines a first inner diameter in a first condition to receive a piston seal, and a second inner diameter in a second condition, the second condition including enlargement of the first inner diameter to form a second inner diameter and a bushing mounted within the second inner diameter, an inner diameter of the bushing defines a bushing inner diameter about equivalent to the first inner diameter to receive the piston seal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.