US3206929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft jet propulsion nozzles
Assignee: Bristol Siddeley Engines Ltd
•
Filing: 1962-01-11
•
Granted: 1965-09-21
•
Expires: 1982-01-11
Abstract
No abstract record available.
Inventors
- 👤 Marchant Francis Charles Ivor
- 👤 Jaggard Robert William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:41
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0066; F; F02; F02K; F02K1/00; F02K1/002; F02K1/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A JET PROPULSION NOZZLE ASSEMBLY COMPRISING AN OUTLET DUCT MEMBER, AN ELBOW NOZZLE MEMBER COMMUNICATING WITH SAID OUTLET DUCT MEMBER AND DEFINING AN INNER PASSAGE FOR DISCHARGE OF A PROPULSION JET AND AN OUTER PASSAGE FOR FLOW OF COOLANT AT LEAST PARTIALLY SURROUNDING THE INNER PASSAGE, BEARING MEANS MOUNTING THE NOZZLE MEMBER ROTATABLY ON THE OUTLET DUCT MEMBER, SAID BEARING MEANS BEING MOUNTED WHOLY EXTERNALLY OF THE OUTER PASSAGE, MEANS FOR SUPPLYING COOLANT FLUID TO THE OUTER PASSAGE, AND MEANS RESPONSIVE TO THE FLOW OF FLUID IN THE OUTER PASSAGE TO VARY THE EFFECTIVE AREA OF THE INNER PASAGE BETWEEN A MAXIMUM VALUE AND A SMALLER VALUE, SAID AREA VARYING MEANS INCLUDING A CASCADE OF DEFLECTOR VANES EXTENDING ACROSS THE INNER PASSAGE, AND AT LEAST ONE CONTROL MEANS FOR CONTROLLING THE FLOW OF FLUID IN THE OUTER PASSAGE, SUCH CONTROL MEANS BEING MOUNTED UPON ONE ONLY OF SAID MEMBERS.
Claim 2
Dependent Claim
149 words
A JET PROPULSION NOZZLE ASSEMBLY COMPRISING AN OUTLET DUCT MEMBER, AN ELBOW NOZZLE MEMBER COMMUNICATING WITH SAID OUTLET DUCT MEMBER AND DEFINING AN INNER PASSAGE FOR DISCHARGE OF A PROPULSION JET AND AN OUTER PASSAGE FOR FLOW OF COOLANT AT LEAST PARTIALLY SURROUNDING THE INNER PASSAGE, BEARING MEANS MOUNTING THE NOZZLE MEMBER ROTATABLY ON THE OUTLET DUCT MEMBER, SAID BEARING MEANS BEING MOUNTED WHOLY EXTERNALLY OF THE OUTER PASSAGE, MEANS FOR SUPPLYING COOLANT FLUID TO THE OUTER PASSAGE, AND MEANS RESPONSIVE TO THE FLOW OF FLUID IN THE OUTER PASSAGE TO VARY THE EFFECTIVE AREA OF THE INNER PASAGE BETWEEN A MAXIMUM VALUE AND A SMALLER VALUE, SAID AREA VARYING MEANS INCLUDING A CASCADE OF DEFLECTOR VANES EXTENDING ACROSS THE INNER PASSAGE, AND AT LEAST ONE CONTROL MEANS FOR CONTROLLING THE FLOW OF FLUID IN THE OUTER PASSAGE, SUCH CONTROL MEANS BEING MOUNTED UPON ONE ONLY OF SAID MEMBERS.
References Cited (Backward Citations)
US2630673A
Cited
US2699647A
Cited
US3038305A
Cited
GB755019A
Cited
US2961198A
Cited
US2879014A
Cited
US3028121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |