METHOD AND DEVICE FOR MANUFACTURING VITREOUS SLAG
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United States of America Patent
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N/A
Issued Date -
Jun 20, 2013
app pub date -
May 25, 2011
filing date -
May 26, 2010
priority date (Note) -
Abandoned
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Abstract
A process for manufacturing a vitreous slag including
- rotating a cone about a vertical cone axis, the cone including an external shell having a lateral surface;cooling the lateral surface of the external shell;pouring molten slag onto the lateral surface of the cone to form a film of slag by gravity, which is solidified as it is entrained in rotation by the cone about the cone axis; anddetaching pieces of the film from the lateral surface and removing solidified slag in the form of the pieces after the film has been entrained through between 0.6 and 0.9 revolutions of the cone, the molten slag being poured onto the lateral surface in a pouring zone and spreads to form a film over substantially the entire length of the lateral surface, preferably over between 75% and 95% of the length of the lateral surface.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
PAUL WURTH S A | 1122 LUXEMBOURG |
International Classification(s)

- 2011 Application Filing Year
- C04B Class
- 911 Applications Filed
- 746 Patents Issued To-Date
- 81.89 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Duncan, Scott | Canonsburg, US | 64 | 638 |
# of filed Patents : 64 Total Citations : 638 | |||
Ebner, Bill | Canonsburg, US | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Frieden, Romain | McMurray, US | 11 | 30 |
# of filed Patents : 11 Total Citations : 30 | |||
Kappes, Horst | Trier, DE | 5 | 9 |
# of filed Patents : 5 Total Citations : 9 | |||
Paul, George | Washington, US | 9 | 2805 |
# of filed Patents : 9 Total Citations : 2805 | |||
Schorr, Tom | Allison Park, US | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 |
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- 1 Citation Count
- C04B Class
- 13.04 % this patent is cited more than
- 12 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 20, 2024 |
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 |
Full Text
US Patent Application No: 2017/0370,231
TURBINE AIRFOIL COOLING SYSTEM WITH INTEGRATED AIRFOIL AND PLATFORM COOLING SYSTEM
Abstract
A cooling system (10) for a turbine airfoil (12) of a turbine engine having one or more mid-chord cooling channels (16) that extend through both the airfoil (32) and a platform (18) of the airfoil (12) to provide adequate cooling the platform (18) while cooling the airfoil (32) is disclosed. The mid-chord cooling channel (16) may be formed from an airfoil portion (20) extending generally spanwise within the airfoil (32) and a platform portion (22) extending into a platform (18) of the airfoil (12) with a larger cross-sectional area than a cross-sectional area of the airfoil portion (20). The mid-chord cooling channel (16) may also extend into the platform (18) of the airfoil (12) a distance laterally outside of a silhouette (60) of the airfoil (32) defined by the leading edge (24), trailing edge (26), pressure side (28) and suction side (30) of the airfoil (32). Thus, the mid-chord cooling channel (16) extends laterally into the platform (18) to provide adequate cooling the platform (18).
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