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US3284048A
Expired / Lapsed
US
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Variable area turbine nozzle
Assignee: RTX Corp
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Filing: 1964-04-28
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Granted: 1966-11-08
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Expires: 1984-04-28
Abstract
No abstract record available.
Inventors
- 👤 Julius W Tumavicus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:11
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A VARIABLE ARE NOZZLE RING INCLIDING, INNER AND OUTER SUPPORT RINGS, VANES EXTENDING BETWEEN SAID RINGS AND SUPPORTED THEREBY, EACH OF SAID VANES AT ONE END BEING HINGED INDIVIDUALLY ON THE ADJACENT SUPPORT RING FOR MOVEMENT ABOUT AN AXIS MAKING AN ACUTE ANGLE WITH THE RING AXIS, THE ANGLES FOR ALL OF THE VANES BEING SUBSTANTIALLY EQUAL AND MEANS FOR MOVING ONE OF SAID SUPPORT RINGS RELATIVE TO THE OTHER TO PRODUCE MOVEMENT OF SAID VANES ABOUT THE HINGE AXIS.
Claim 2
Dependent Claim
80 words
A VARIABLE ARE NOZZLE RING INCLIDING, INNER AND OUTER SUPPORT RINGS, VANES EXTENDING BETWEEN SAID RINGS AND SUPPORTED THEREBY, EACH OF SAID VANES AT ONE END BEING HINGED INDIVIDUALLY ON THE ADJACENT SUPPORT RING FOR MOVEMENT ABOUT AN AXIS MAKING AN ACUTE ANGLE WITH THE RING AXIS, THE ANGLES FOR ALL OF THE VANES BEING SUBSTANTIALLY EQUAL AND MEANS FOR MOVING ONE OF SAID SUPPORT RINGS RELATIVE TO THE OTHER TO PRODUCE MOVEMENT OF SAID VANES ABOUT THE HINGE AXIS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |