Engine air inlet having a double-panel heated wall
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United States of America Patent
Stats
-
Nov 3, 2020
Grant Date -
Jan 18, 2018
app pub date -
Jul 15, 2016
filing date -
Jul 15, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An annular air inlet duct circumscribing an axis of rotation of a rotatable member of a machine comprising a forward end and an aft end is described. The air inlet duct includes an unheated wall and a heated wall adjacent to a heat source. The heated wall includes a plurality of axially-spaced wall panels forming a cavity between each of a pair of adjacent wall panels of the plurality of axially-spaced wall panels.
First Claim
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International Classification(s)
- 2016 Application Filing Year
- F04D Class
- 1883 Applications Filed
- 1368 Patents Issued To-Date
- 72.66 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F04D Class
- 0 % this patent is cited more than
- 5 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 | May 3, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 3, 2032 |
