| 主权项 |
1. A brush seal for use between a rotating component and a stationary component in a turbomachine, the brush seal comprising:
a set of flexible bristles having a fixed end and a free end, a conical retaining plate, a circumferential groove in the rotating component, the circumferential groove having a downstream side and an upstream side, and a side plate attached to the upstream side of the circumferential groove, wherein the fixed end of the set of flexible bristles is attached to the upstream side of the circumferential groove by the side plate and the conical retaining plate is attached to both the downstream and upstream side of the circumferential groove, the conical retaining plate being attached to the upstream side of the circumferential groove by the side plate in the rotating component, wherein the free end of the set of flexible bristles seals against a radially inward surface of the stationary component, wherein the conical retaining plate extends radially outward from the rotating component at least partially along a length of the set of flexible bristles, such that the conical retaining plate is configured to at least partially support the set of flexible bristles on a radially inner surface of the conical retaining plate from centrifugal loading in an operative state of the turbomachine, and wherein the set of flexible bristles are angled axially at an axial angle of approximately 15 degrees to approximately 70 degrees with respect to the rotating component, and the set of flexible bristles are angled circumferentially at an angle that is less than the axial angle. |
