- Patent Title: High temperature shaft seal for bleed valve with roller bearings
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Application No.: US15433228Application Date: 2017-02-15
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Publication No.: US09958071B1Publication Date: 2018-05-01
- Inventor: Josh Kamp , Donald E. Army
- Applicant: Hamilton Sundstrand Corporation
- Applicant Address: US CT Windsor Locks
- Assignee: Hamilton Sundstrand Corporation
- Current Assignee: Hamilton Sundstrand Corporation
- Current Assignee Address: US CT Windsor Locks
- Agency: Kinney & Lange, P.A.
- Main IPC: F16K1/226
- IPC: F16K1/226 ; F16K41/02
Abstract:
A seal assembly for a creating a seal between a shaft and a valve housing of a bleed valve that impedes contaminants from reaching bearings includes first and second seal pieces. The first seal piece circumferentially surrounds the shaft and is disposed between the shaft and the valve housing. The second seal piece is in contact with and is disposed axially adjacent to the first seal piece relative to the shaft. The second seal piece is biased against the first seal piece.
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