Patent · US Active

Shaft seal assembly for a turbine engine

US10830078B2 · kind B2 · utility

1Cited by

51References

16Claims

0Family size

Assignee

RAYTHEON TECHNOLOGIES CORPORATION · US

Inventors

Brad Edward Fiore · Vernon, US
James B. Coffin · Windsor, US
Christopher M. Valva · Manchester, US

Key dates

Filing date	Sep 14, 2018
Grant date	Nov 10, 2020
Priority date	—
Expiry date	Mar 1, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H1/14
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An assembly is provided for a turbine engine. This turbine engine assembly includes a tower shaft rotatable about an axis, an engine component rotatable with the tower shaft about the axis, and a seal assembly. The engine component extends axially along the axis to an end surface. The seal assembly includes a carbon seal element, where the carbon seal element circumscribes the tower shaft and axially engages the end surface.

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