Invention Grant
- Patent Title: Brush seal
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Application No.: US18165642Application Date: 2023-02-07
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Publication No.: US11965599B2Publication Date: 2024-04-23
- Inventor: Gervas Franceschini , Maciej T. Pietrzak
- Applicant: ROLLS-ROYCE plc
- Applicant Address: GB London
- Assignee: ROLLS-ROYCE plc
- Current Assignee: ROLLS-ROYCE plc
- Current Assignee Address: GB London
- Agency: Barnes & Thornburg LLP
- Priority: GB 03012 2022.03.04
- Main IPC: F16J15/3288
- IPC: F16J15/3288 ; F01D11/00

Abstract:
A brush seal includes an annular plate assembly defining a radially inner diameter having an inner central axis and a radially outer diameter having an outer central axis. The inner central axis and the outer central axis are spaced apart from each other by an offset, such that the radially inner diameter and the radially outer diameter are eccentric with respect to each other. The brush seal further includes a bristle pack. The bristle pack includes a plurality of bristles defining a bristle bore having a bristle bore central axis. The bristle bore central axis is aligned with the inner central axis and the bristle bore central axis is offset from the outer central axis. Moreover, the brush seal is disposed around a rotating component. The bristle bore central axis is aligned with a component axis of the rotating component and the bristle pack engages with the rotating component.
Public/Granted literature
- US20230287979A1 BRUSH SEAL Public/Granted day:2023-09-14
Information query
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