Turbine rotor blades with improved tip portion cooling holes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Oct 16, 2013
filing date -
Oct 16, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A turbine rotor blade is provided for a turbine section of an engine. The turbine rotor blade includes a platform and an airfoil extending from the platform into a mainstream gas path of the turbine section. The airfoil includes a first side wall; a second side wall joined to the first side wall at a leading edge and a trailing edge; a tip cap extending between the first side wall and the second side wall; a first parapet wall extending from the first side wall; and a first cooling hole through the tip cap and the first parapet wall configured to deliver cooling air. The first cooling hole has a closed channel section and an open channel section. The open channel section forms a slot.
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 | |
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HONEYWELL INTERNATIONAL INC | 115 TABOR RD MORRIS PLAINS NJ 07950 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Malak, Malak Fouad | Tempe, US | 21 | 281 |
# of filed Patents : 21 Total Citations : 281 | |||
Morris, Mark C | Phoenix, US | 100 | 2076 |
# of filed Patents : 100 Total Citations : 2076 | |||
Waldman, David | Chandler, US | 13 | 248 |
# of filed Patents : 13 Total Citations : 248 |
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Patent Citation Ranking
- 3 Citation Count
- F01D Class
- 31.14 % this patent is cited more than
- 7 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 30, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 30, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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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May 14, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Nov 14, 2017 | I | Issuance | |
Oct 25, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Sep 11, 2014 | P | Published | |
Mar 05, 2013 | F | Filing | |
Mar 05, 2013 | PD | Priority Date | |
Mar 04, 2013 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BYNUM, ANTHONY EUGENE;JOHNSON, BRADLEY THOMAS;REEL/FRAME:029922/0725 Owner name: RTC INDUSTRIES, INC., ILLINOIS Effective Date: Mar 04, 2013 |

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