Invention Grant
- Patent Title: Bidirectional lift-off circumferential shaft seal segment and a shaft seal including a plurality of the segments
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Application No.: US14132571Application Date: 2013-12-18
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Publication No.: US09695940B2Publication Date: 2017-07-04
- Inventor: George Perry Haynes , Jared Daniel Manry
- Applicant: George Perry Haynes , Jared Daniel Manry
- Applicant Address: US MD Baltimore
- Assignee: KAYDON RING & SEAL, INC.
- Current Assignee: KAYDON RING & SEAL, INC.
- Current Assignee Address: US MD Baltimore
- Agency: SKF USA Inc. Patent Dept.
- Agent Mark Ussai
- Main IPC: F16J15/34
- IPC: F16J15/34 ; F16J15/00 ; F16J15/40 ; F16J15/44

Abstract:
A circumferential shaft seal segment includes a radial outer face, a radially inner face, a first axial face extending from the radial outer face to the radial inner face and a second axial face axially spaced from the first axial face and extending from the radially outer face to the radially inner face. The seal has a bleed slot in the radially inner face extending from the first axial face toward the second axial face, and there are first and second recesses in the radially inner face in communication with the bleed slot that extend from circumferentially opposite sides of the bleed slot.
Public/Granted literature
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