PASSAGE CHANNEL FOR A TURBOMACHINE AND TURBOMACHINE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Dec 12, 2013
app pub date -
May 29, 2013
filing date -
Jun 1, 2012
priority date (Note) -
Published
status (Latency Note)
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Importance

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Abstract
A transition duct for a turbomachine, in particular an aircraft engine, for forming a flow channel between an upstream flow cross section and a downstream flow cross section, including supporting ribs which extend between a radially inner duct wall and a radially outer duct wall and each of which has a profile for deflecting a flow from an inlet area to an outlet area of the transition duct, the supporting ribs each having a profile variation in the area of their trailing edge and/or at least one blow-out opening for blowing out a fluid; also disclosed is a turbomachine having a transition duct of this type.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
MTU AERO ENGINES GMBH | 80995 MÜNCHEN |
International Classification(s)

- 2013 Application Filing Year
- F04D Class
- 1063 Applications Filed
- 941 Patents Issued To-Date
- 88.53 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Engel, Karl | Dachau, DE | 8 | 79 |
# of filed Patents : 8 Total Citations : 79 | |||
Guendogdu, Yavuz | Muenchen, DE | 6 | 49 |
# of filed Patents : 6 Total Citations : 49 |
Cited Art Landscape
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Patent Citation Ranking
- 14 Citation Count
- F04D Class
- 78.15 % this patent is cited more than
- 12 Age
Forward Cite Landscape
- No Forward Cites to Display

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 12, 2025 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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