Sliding seal
AssigneeUnited Technologies Corporation
InventorsTimothy M. Davis, Paul M. Lutjen
Life of this patent
Estimating the term…
Abstract
The present disclosure relates generally to a sliding seal between two components. The sliding seal includes a first seal section, a second seal section, and (in some embodiments) a third seal section. Two or three of the seal sections are uncoupled, which allows the uncoupled seal sections to move relative to one another during relative movement between the two components. One or more spring tabs extend from the second seal section and bias the first and third (or in some embodiments, the first and second) seal sections away from one another.
Claims18
A seal for sealing a seal cavity defined by first and second adjacent components disposed about an axial centerline, the seal comprising:
- a first seal section comprising a first split hoop;
- and
- a second seal section comprising a second split hoop and a spring element;
- a third seal section;
- wherein the spring element contacts the first seal section and is configured to axially load the first seal section against one of the first and second components;
- wherein the second split hoop contacts the third seal section and is configured to axially load the third seal section against another one of the first and second components;
- and wherein at least two of the first, second and third seal sections are configured to move relative to one another.
A seal for sealing a seal cavity defined by first and second adjacent components disposed about an axial centerline, the seal comprising:
- a first seal section comprising a first split hoop;
- and a second seal section comprising a scissors-type spring element comprising a plurality of first spring tabs and a plurality of second spring tabs;
- a third seal section;
- wherein the plurality of first spring tabs contact the first seal section and the plurality of second spring tabs contact the third seal section;
- wherein at least two of the first, second and third seal sections are configured to move relative to one another.
Dependencies are inferred from the claim text.