- Patent Title: Fan with labyrinth seal for prevention of water damage to a gearbox
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Application No.: US15704355Application Date: 2017-09-14
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Publication No.: US10995846B2Publication Date: 2021-05-04
- Inventor: Scott David Poster
- Applicant: Bell Helicopter Textron Inc.
- Applicant Address: US TX Forth Worth
- Assignee: Bell Helicopter Textron Inc.
- Current Assignee: Bell Helicopter Textron Inc.
- Current Assignee Address: US TX Forth Worth
- Agency: Chalker Flores, LLP
- Agent Edwin S. Flores; Daniel J. Chalker
- Main IPC: F16H57/029
- IPC: F16H57/029 ; F16H57/04 ; B64C27/14 ; B64C27/12 ; F16J15/447
Abstract:
The present invention includes a system, method and kit for preventing or reducing water penetration of a gearbox, the system including: a fan or impeller coupled to the gearbox; and a hub coupled to the fan and shaped to provide a labyrinth seal that prevents or reduces water penetration into the gearbox.
Public/Granted literature
- US20180087647A1 FAN WITH LABYRINTH SEAL FOR PREVENTION OF WATER DAMAGE TO A GEARBOX Public/Granted day:2018-03-29
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