Patent US3286930A successfully refreshed from Google Patents.
US3286930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet pipe assembly
Assignee: Rolls Royce PLC
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Filing: 1964-07-10
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Granted: 1966-11-22
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Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 Petrie James Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:53
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A JET PIPE ASSEMBLY FOR A JET ENGINE, SAID ASSEMBLY COMPRISING AN ENGINE JET PIPE, A PLURALITY OF FORWARD PROPULSION NOZZLE MEMBERS MOUNTED ADJACENT THE DOWNSTREAM END OF THE JET PIPE, A PLURALITY OF BRANCH PIPES EACH OF WHICH IS ADAPTED TO COMMUNICATE WITH THE JET PIPE AND EACH OF WHICH IS PROVIDED WITH AN ADDITIONAL NOZZLE WHICH DIRECT THE JET GASES DOWNWARDLY, THE FORWARD PROPULSION NOZZLE MEMBER BEING MOVABLE BETWEEN A FIRST POSITION IN WHICH THEY BOTH COLLECTIVELY FORM A FORWARD PROPULSION NOZZLE THROUGH WHICH THE JET GASES ARE DISCHARGED REARWARDLY AND IN WHICH THEY ALSO SIMULTANEOUSLY CUT OFF THE SAID BRANCH PIPES FROM COMMUNICATION WITH THE JET PIPE, AND A SECOND POSITION IN WHICH THEY COLLECTIVELY BLANK OFF THE DOWNSTREAM END OF THE JET PIPE AND SIMULTANEOUSLY DEFLECT THE JET GASES FROM THE JET PIPE INTO THE BRANCH PIPES, AND MEANS FOR MOVING THE FORWARD PROPULSION NOZZLE MEMBERS INTO AND BETWEEN THE SAID FIRST AND SECOND POSITIONS.
Claim 2
Dependent Claim
159 words
A JET PIPE ASSEMBLY FOR A JET ENGINE, SAID ASSEMBLY COMPRISING AN ENGINE JET PIPE, A PLURALITY OF FORWARD PROPULSION NOZZLE MEMBERS MOUNTED ADJACENT THE DOWNSTREAM END OF THE JET PIPE, A PLURALITY OF BRANCH PIPES EACH OF WHICH IS ADAPTED TO COMMUNICATE WITH THE JET PIPE AND EACH OF WHICH IS PROVIDED WITH AN ADDITIONAL NOZZLE WHICH DIRECT THE JET GASES DOWNWARDLY, THE FORWARD PROPULSION NOZZLE MEMBER BEING MOVABLE BETWEEN A FIRST POSITION IN WHICH THEY BOTH COLLECTIVELY FORM A FORWARD PROPULSION NOZZLE THROUGH WHICH THE JET GASES ARE DISCHARGED REARWARDLY AND IN WHICH THEY ALSO SIMULTANEOUSLY CUT OFF THE SAID BRANCH PIPES FROM COMMUNICATION WITH THE JET PIPE, AND A SECOND POSITION IN WHICH THEY COLLECTIVELY BLANK OFF THE DOWNSTREAM END OF THE JET PIPE AND SIMULTANEOUSLY DEFLECT THE JET GASES FROM THE JET PIPE INTO THE BRANCH PIPES, AND MEANS FOR MOVING THE FORWARD PROPULSION NOZZLE MEMBERS INTO AND BETWEEN THE SAID FIRST AND SECOND POSITIONS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |