Noise reduction system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 27, 2016
Grant Date -
Sep 27, 2012
app pub date -
Oct 26, 2010
filing date -
Oct 28, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A noise reduction system includes: a microjet ring (16) provided at an exhaust side peripheral edge of a main nozzle of a jet engine, and has a plurality of injection pipes (26) formed in a circumferential direction thereof at regular intervals; and a supply path configured to take part of compressed air in from a flow path in an upstream side of a combustor in the jet engine, and to guide the part of compressed air to the plurality of injection pipes (26), wherein the plurality of injection pipes (26) is configured to inject the part of compressed air to a jet flow.
First Claim
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International Classification(s)
- 2010 Application Filing Year
- F02K Class
- 185 Applications Filed
- 139 Patents Issued To-Date
- 75.14 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- F02K Class
- 13.76 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 27, 2028 |
