US3092205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet noise suppressor nozzle
Assignee: Rolls Royce PLC
•
Filing: 1958-08-22
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Granted: 1963-06-04
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Expires: 1978-08-22
Abstract
No abstract record available.
Inventors
- 👤 Brown David Morris
- 👤 Keen John Michael Storer
- 👤 Urmston Bertram Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:47
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/46; F02K1/48; F02K1/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A JET NOISE SUPPRESSOR NOZZLE HAVING A PLURALITY OF LONGITUDINALLY EXTENDING, SUBSTANTIALLY RADIAL, HOLLOW LOBES FOR THE FLOW THERETHROUGH OF HOT GASES FROM A JET PIPE, THE LOBES BEING ANGULARLY SPACED FROM EACH OTHER IN A CIRCULAR ARRANGEMENT, EACH LOBE INCREASING IN RADIAL EXTENT IN A DOWNSTREAM DIRECTION FROM A COMMUNICATING CENTRAL AREA AND HAVING SUBSTANTIALLY RADIALLY-EXTENDING WALLS WHICH ARE CORRUGATED AT LEAST IN PART, THE CORRUGATIONS EXTENDING SUBSTANTIALLY LONGITUDINALLY OF THE NOZZLE, AND A LOBULATED FRAME EACH OF WHOSE LOBULES EXTENDS INTO AND IS SECURED TO A LOBE OF THE NOZZLE, THE FRAME BEING DISPOSED ADJACENT THE CENTRE OF THE NOZZLE.
Claim 2
Dependent Claim
102 words
A JET NOISE SUPPRESSOR NOZZLE HAVING A PLURALITY OF LONGITUDINALLY EXTENDING, SUBSTANTIALLY RADIAL, HOLLOW LOBES FOR THE FLOW THERETHROUGH OF HOT GASES FROM A JET PIPE, THE LOBES BEING ANGULARLY SPACED FROM EACH OTHER IN A CIRCULAR ARRANGEMENT, EACH LOBE INCREASING IN RADIAL EXTENT IN A DOWNSTREAM DIRECTION FROM A COMMUNICATING CENTRAL AREA AND HAVING SUBSTANTIALLY RADIALLY-EXTENDING WALLS WHICH ARE CORRUGATED AT LEAST IN PART, THE CORRUGATIONS EXTENDING SUBSTANTIALLY LONGITUDINALLY OF THE NOZZLE, AND A LOBULATED FRAME EACH OF WHOSE LOBULES EXTENDS INTO AND IS SECURED TO A LOBE OF THE NOZZLE, THE FRAME BEING DISPOSED ADJACENT THE CENTRE OF THE NOZZLE.
References Cited (Backward Citations)
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Cited
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US2931169A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |