US3363416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engines
Assignee: Bristol Siddeley Engines Ltd
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Filing: 1966-09-21
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Granted: 1968-01-16
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Expires: 1986-09-21
Abstract
No abstract record available.
Inventors
- 👤 Heybyrne Ernest William
- 👤 Powell Walter James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:05
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/042; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A GAS TURBINE ENGINE INCLUDING A COMBUSTION CHAMBER; A RING OF AXIAL FLOW TURBINE INLET VANES, THE RING CONSISTING OF SEGMENTS, EACH OF WHICH INCLUDES AT LEAST ONE VANE EXTENDING FROM AN OUTER SHROUD, A SUPPORT STRUCTURE HAVING AN ABUTMENT SURFACE FACING UPSTREAM; THE COMBUSTION CHAMBER BEING IN ENGAGEMENT WITH THE ABUTMENT SURFACE, AND EACH OTHER SHROUD HAVING A FACE WHICH IS IN ENGAGEMENT WITH THE COMBUSTION CHAMBER AND DURING OPERATION OF THE ENGINE SERVES TO TRANSMIT A FORCE IN THE DOWNSTREAM DIRECTION FROM THAT SHROUD TO THE COMBUSTION CHAMBER.
Claim 2
Dependent Claim
90 words
A GAS TURBINE ENGINE INCLUDING A COMBUSTION CHAMBER; A RING OF AXIAL FLOW TURBINE INLET VANES, THE RING CONSISTING OF SEGMENTS, EACH OF WHICH INCLUDES AT LEAST ONE VANE EXTENDING FROM AN OUTER SHROUD, A SUPPORT STRUCTURE HAVING AN ABUTMENT SURFACE FACING UPSTREAM; THE COMBUSTION CHAMBER BEING IN ENGAGEMENT WITH THE ABUTMENT SURFACE, AND EACH OTHER SHROUD HAVING A FACE WHICH IS IN ENGAGEMENT WITH THE COMBUSTION CHAMBER AND DURING OPERATION OF THE ENGINE SERVES TO TRANSMIT A FORCE IN THE DOWNSTREAM DIRECTION FROM THAT SHROUD TO THE COMBUSTION CHAMBER.
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |