Patent US3186168A successfully refreshed from Google Patents.
US3186168A
Expired / Lapsed
US
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Means for supporting the downstream end of a combustion chamber in a gas turbine engine
Assignee: ZF International UK Ltd
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Filing: 1963-09-09
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Granted: 1965-06-01
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Expires: 1983-09-09
Abstract
No abstract record available.
Inventors
- 👤 Ormerod Alan
- 👤 Arthur S Kay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:30
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
MEANS FOR SUPPORTING THE DOWNSTREAM END OF A COMBUSTION CHAMBER IN A GAS TURBINE ENGINE, COMPRISING A SUPPORT RING OF U-SHAPED CROSS-SECTION HAVING AN INNER LIMB SECUREDS TO THE COMBUSTION CHAMBER AND AN OUTER LIMB SLIDABLE IN A GROOVE IN THE TURBINE CASING, SAID INNER LIMB OF THE SUPPORT RING BEING FORMED WITH LONGITUDINALLY EXTENDING CORRUGATIONS.
Claim 2
Dependent Claim
56 words
MEANS FOR SUPPORTING THE DOWNSTREAM END OF A COMBUSTION CHAMBER IN A GAS TURBINE ENGINE, COMPRISING A SUPPORT RING OF U-SHAPED CROSS-SECTION HAVING AN INNER LIMB SECUREDS TO THE COMBUSTION CHAMBER AND AN OUTER LIMB SLIDABLE IN A GROOVE IN THE TURBINE CASING, SAID INNER LIMB OF THE SUPPORT RING BEING FORMED WITH LONGITUDINALLY EXTENDING CORRUGATIONS.
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |