US3078071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outer shroud for gas turbine engine
Assignee: Old Carco LLC
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Filing: 1960-09-28
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Granted: 1963-02-19
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Expires: 1980-09-28
Abstract
No abstract record available.
Inventors
- 👤 Henny Willi
- 👤 Giovanni F Savonuzzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:49
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
140 words
IN A GAS TURBINE ENGINE, A SUPPORTING FRAME, A ROTOR MOUNTED THEREON, GAS PASSAGE MEANS FOR CONDUCTING HOT MOTIVE GASES TO SAID ROTOR TO DRIVE THE SAME, AN ANNULAR SHROUD AROUND SAID ROTOR AND DEFINING AN OUTER WALL PORTION OF SAID PASSAGE MEANS, SUPPORTING MEANS IN SLIDING ENGAGEMENT WITH THE INTERIOR SURFACE OF SAID SHROUD, SAID SHROUD HAVING AN ANNULAR OUTER SUPORTING SURFACE AROUND THE AXIS OF SAID SHROUD AND COMPRISING A SPHERICAL ZONE HAVING A CENTER OF CURVATURE ON THE AXIS OF SAID SHROUD, THE RADIUS OF SAID SPHERICAL ZONE BEING GREATER THAN THE RADIUS OF SAID SHROUD AT THE REGION OF SAID ZONE, AND ANNULAR MEANS SUPPORTED BY SAID FRAME AND HAVING A SPHERICAL ZONE MATING WITH AND SLIDABLY ENGAGING THE FIRST NAMED SPHERICAL ZONE TO ENABLE LIMITED ANGULAR SHIFTING OF SAID SHROUD WITH RESPECT TO SAID ROTOR.
Claim 2
Dependent Claim
140 words
IN A GAS TURBINE ENGINE, A SUPPORTING FRAME, A ROTOR MOUNTED THEREON, GAS PASSAGE MEANS FOR CONDUCTING HOT MOTIVE GASES TO SAID ROTOR TO DRIVE THE SAME, AN ANNULAR SHROUD AROUND SAID ROTOR AND DEFINING AN OUTER WALL PORTION OF SAID PASSAGE MEANS, SUPPORTING MEANS IN SLIDING ENGAGEMENT WITH THE INTERIOR SURFACE OF SAID SHROUD, SAID SHROUD HAVING AN ANNULAR OUTER SUPORTING SURFACE AROUND THE AXIS OF SAID SHROUD AND COMPRISING A SPHERICAL ZONE HAVING A CENTER OF CURVATURE ON THE AXIS OF SAID SHROUD, THE RADIUS OF SAID SPHERICAL ZONE BEING GREATER THAN THE RADIUS OF SAID SHROUD AT THE REGION OF SAID ZONE, AND ANNULAR MEANS SUPPORTED BY SAID FRAME AND HAVING A SPHERICAL ZONE MATING WITH AND SLIDABLY ENGAGING THE FIRST NAMED SPHERICAL ZONE TO ENABLE LIMITED ANGULAR SHIFTING OF SAID SHROUD WITH RESPECT TO SAID ROTOR.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |