Turbine vane hollow inner rail
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 16, 2018
Issued Date -
N/A
app pub date -
Mar 30, 2011
filing date -
Apr 29, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A guide vane device for a turbine has an inner platform with a through hole forming a fluid channel for a cooling fluid, wherein the inner platform extends in a circumferential direction around a shaft of the turbine. The guide vane device further includes a hollow aerofoil with a cooling opening for exchanging the cooling fluid passing the through hole into or from the hollow aerofoil, wherein the hollow aerofoil is fixed to a first surface of the inner platform, and a rail with a recess with a cooling fluid passage forming a passage for the cooling fluid to the through hole, wherein the rail is fixed to a second surface of the inner platform and the rail extends along the second surface in the circumferential direction around the shaft. The cooling fluid passage has in the circumferential direction at least the dimension of the through hole.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2011 Application Filing Year
- B23P Class
- 3713 Applications Filed
- 656 Patents Issued To-Date
- 17.67 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- B23P Class
- 41.48 % 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 16, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 16, 2029 |
