US3269700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat shield for turbine strut
Assignee: RTX Corp
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Filing: 1964-12-07
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Granted: 1966-08-30
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Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Shainess Myron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:30
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/041; F01D5/00; F01D5/12; F01D5/14; F01D5/147; F01D5/18; F01D9/042; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A TURBINE STRUT HAVING AN OPERATIVE PORTION OF AIRFOIL CROSS SECTION AND END SHROUD ELEMENTS FOR THE SUPPORT OF THE VANE, AND A HEAT SHIELD SURROUNDING AT LEAST A PART OF THE OPERATIVE PORTION OF THE AIRFOIL IN SPACED RELATION THERETO, SAID SHIELD BEING AIRFOIL SHAPE IN CROSS SECTION AND HAVING MEANS AT LEADING AND TRAILING EDGES ENGAGING WITH THE VANE TO HOLD THE SHIELD IN SPACED RELATION TO THE VANE, SAID MEANS COMPRISING IN PART A GROOVED ELEMENT EXTENDING LENGTHWISE OF THE LEADING EDGE OF THE VANE AND A PROJECTING ELEMENT INTERNALLY OF THE SHIELD AND LENGTHWISE THEREOF AT THE LEADING EDGE TO ENGAGE THE GROOVED ELEMENT.
Claim 2
Dependent Claim
108 words
A TURBINE STRUT HAVING AN OPERATIVE PORTION OF AIRFOIL CROSS SECTION AND END SHROUD ELEMENTS FOR THE SUPPORT OF THE VANE, AND A HEAT SHIELD SURROUNDING AT LEAST A PART OF THE OPERATIVE PORTION OF THE AIRFOIL IN SPACED RELATION THERETO, SAID SHIELD BEING AIRFOIL SHAPE IN CROSS SECTION AND HAVING MEANS AT LEADING AND TRAILING EDGES ENGAGING WITH THE VANE TO HOLD THE SHIELD IN SPACED RELATION TO THE VANE, SAID MEANS COMPRISING IN PART A GROOVED ELEMENT EXTENDING LENGTHWISE OF THE LEADING EDGE OF THE VANE AND A PROJECTING ELEMENT INTERNALLY OF THE SHIELD AND LENGTHWISE THEREOF AT THE LEADING EDGE TO ENGAGE THE GROOVED ELEMENT.
References Cited (Backward Citations)
US2500745A
Cited
US2771622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |