System and method for removing rotor bow in a gas turbine engine using mechanical energy storage device
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United States of America Patent
Stats
-
Sep 1, 2020
Grant Date -
Jul 4, 2019
app pub date -
Jan 4, 2018
filing date -
Jan 4, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present disclosure is directed to a gas turbine engine structure and method for reducing or mitigating bowed rotor. The method includes coupling a rotor assembly to a mechanical energy storage device via a clutch mechanism when the rotor assembly is at or below a speed limit below an idle speed condition; storing mechanical energy at the mechanical energy storage device via rotation of the rotor assembly at or below the speed limit; releasing mechanical energy from the mechanical energy storage device to rotate the rotor assembly following shutdown of the gas turbine engine; and rotating the rotor assembly via the mechanical energy from the mechanical energy storage device.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2018 Application Filing Year
- F02N Class
- 280 Applications Filed
- 198 Patents Issued To-Date
- 70.72 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 8 Citation Count
- F02N Class
- 39.07 % this patent is cited more than
- 5 Age
Maintenance Fees
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|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 1, 2028 |
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