Oil loss protection for a fan drive gear system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 30, 2018
Issued Date -
N/A
app pub date -
Mar 2, 2015
filing date -
Mar 17, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
A fan drive gear system includes at least one intermediate gear that includes an axial gear passage for receiving and conveying a fluid suitable for cooling and/or lubricating. At least a first axial end of the intermediate gear includes a first fluid storage trap for capturing fluid entering and/or exiting the gear passage and storing the fluid therein during powered operation of the fan drive gear system. The fluid is capable of being passively supplied to the intermediate gear passage during an interrupted power event.
First Claim
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International Classification(s)
- 2015 Application Filing Year
- F02C Class
- 1751 Applications Filed
- 1341 Patents Issued To-Date
- 76.59 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- F02C Class
- 22.35 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 30, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 30, 2029 |
