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US 2023/0323950 A1Published application
Piston Seal Ring
AssigneeRaytheon Technologies Corporation
InventorsLiam P. Sullivan, Nicholas J. Lawliss, Xuejun Liu, John P. Virtue, JR., Kalpendu J. Parekh
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Abstract
A split ring seal has: a first circumferential end and a second circumferential end; an inner diameter surface and an outer diameter surface; a first axial end face and a second axial end face. A circumferentially distributed first plurality of open channels are along the first axial end face. A circumferentially distributed second plurality of open channels are along the second axial end face.
Claims20
A split ring seal comprising:
- a first circumferential end and a second circumferential end;
- an inner diameter surface and an outer diameter surface;
- a first axial end face and a second axial end face;
- a circumferentially distributed first plurality of open channels along the first axial end face;
- and
- a circumferentially distributed second plurality of open channels along the second axial end face.
3 more elements
An apparatus comprising:
- an inner member;
- an outer member encircling the inner member;
- a split ring seal accommodated in a groove in one of the inner member and the outer member and contacting a surface of the other of the inner member and the outer member;
- and
- circumferentially distributed venting means for bypassing the seal.
2 more elements
Dependencies are inferred from the claim text.