US3324660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet propulsion power plants
Assignee: Bristol Siddeley Engines Ltd
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Filing: 1964-12-09
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Granted: 1967-06-13
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Expires: 1984-12-09
Abstract
No abstract record available.
Inventors
- 👤 Lane Raymond John
- 👤 Hardy Philip Eric
- 👤 Sharp James Waller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:23
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/042; F02K; F02K1/00; F02K1/52; F02K7/00; F02K7/10; F02K7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A POWER PLANT FOR AIRCRAFT PROPULSION COMPRISING AT LEAST TWO JET PROPULSION ENGINES SUITABLE FOR OPERATION RESPECTIVELY AT PROGRESSIVELY HIGHER RANGES OF SUPERSONIC FLIGHT SPEEDS, AND INCLUDING A SEPARATE NOZZLE FOR THE EXHAUST OF EACH ENGINE, A TROUGH STRUCTURE INTO ONE END OF WHICH THE NOZZLE DISCHARGE, SAID THROUGH STRUCTURE HAVING A CLOSED BASE AND AN AT LEAST PARTIALLY OPEN SIDE OPPOSITE THE BASE, SAID END OF THE TROUGH BEING OTHERWISE CLOSED AND THE OTHER END OPEN, THE NOZZLE OF THE LOWEST FLIGHT SPEED ENGINE BEING ADJACENT TO THE BASE OF THE TROUGH AND THE OTHER NOZZLES BEING DISPLACED THEREFROM TOWARDS THE OPEN SIDE OF THE TROUGH IN THE ORDER OF THEIR INCREASING CORRESPONDING FLIGHT SPEEDS, AND MEANS FOR PREVENTING REVERSE FLOW THROUGH A LOWER SPEED ENGINE
Claim 2
Dependent Claim
127 words
A POWER PLANT FOR AIRCRAFT PROPULSION COMPRISING AT LEAST TWO JET PROPULSION ENGINES SUITABLE FOR OPERATION RESPECTIVELY AT PROGRESSIVELY HIGHER RANGES OF SUPERSONIC FLIGHT SPEEDS, AND INCLUDING A SEPARATE NOZZLE FOR THE EXHAUST OF EACH ENGINE, A TROUGH STRUCTURE INTO ONE END OF WHICH THE NOZZLE DISCHARGE, SAID THROUGH STRUCTURE HAVING A CLOSED BASE AND AN AT LEAST PARTIALLY OPEN SIDE OPPOSITE THE BASE, SAID END OF THE TROUGH BEING OTHERWISE CLOSED AND THE OTHER END OPEN, THE NOZZLE OF THE LOWEST FLIGHT SPEED ENGINE BEING ADJACENT TO THE BASE OF THE TROUGH AND THE OTHER NOZZLES BEING DISPLACED THEREFROM TOWARDS THE OPEN SIDE OF THE TROUGH IN THE ORDER OF THEIR INCREASING CORRESPONDING FLIGHT SPEEDS, AND MEANS FOR PREVENTING REVERSE FLOW THROUGH A LOWER SPEED ENGINE
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |