Patent US3092205A successfully refreshed from Google Patents.
US3092205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet noise suppressor nozzle
Assignee: Rolls Royce PLC
•
Filing: 1958-08-22
•
Granted: 1963-06-04
•
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 11:59
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)
US2029337A
Cited
GB428257A
Cited
US2396208A
Cited
US2484826A
Cited
US2648353A
Cited
FR1084419A
Cited
GB766985A
Cited
GB766986A
Cited
GB744196A
Cited
US2931169A
Cited
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 |