Cooling passages for a mid-turbine frame
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United States of America Patent
Stats
-
Jan 30, 2018
Issued Date -
N/A
app pub date -
Mar 11, 2015
filing date -
Mar 11, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A mid-turbine frame for a gas turbine engine includes an inner frame case. A bearing support member is located adjacent the inner frame case. At least one spoke is attached to the inner frame case. At least one spoke includes a cooling airflow passage that extends through the inner frame case and the bearing support member.
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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
- 0 Citation Count
- F02C Class
- 0 % 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 |
