Patent US2767965A successfully refreshed from Google Patents.
US3245218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet propulsion engine with variable baffles and fuel supply
Assignee: Bristol Siddeley Engines Ltd
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Filing: 1963-05-20
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Granted: 1966-04-12
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Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Marchant Francis Charles Ivor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:14
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/002; F02K1/004; B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0041; B64C29/0066
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
142 words
AN AIRCRAFT JET PROPULSION POWER PLANT INCLUDING MEANS DEFINING AN ANNULAR PASSAGE, AN AXIAL FLOW AIR COMPRESSOR ARRANGED TO DELIVER AIR TO THE PASSAGE, A PLURALITY OF ELONGATED MEMBERS SPACED AROUND THE PASSAGE AND PROJECTING INTO IT TRANSVERSELY TO THE DIRECTION OF AIRFLOW TTHERETHROUGH, PAIRS OF PERFORATED BAFFLES EXTENDING DOWNSTREAM OF EACH MEMBER, MEANS MOUNTING EACH PAIR OF BAFFLES ON THE CORRESPONDING MEMBER FOR RELATIVE SWINGING MOVEMENT FROM AN OPEN V POSITION, WITH THE MEMBER CONSTITUTING THE APEX OF THE V, TO A CLOSED TOGETHER POSITION, MEANS FOR DISPERSING FUEL TO REACH THE V-SHAPED SPACE BETWEEN EACH PAIR OF BAFFLES WHEN OPEN FOR COMBUSTION IN THAT SPACE, AT LEAST ONE STUB DUCT EXTENDING OUTWARDS FROM THE AXIS OF THE COMPRESSOR TO AN OUTLET CARRYING A SWIVELLING NOZZLE, AND MEANS CONNECTING SAID PASSAGE, DOWNSTREAM OF SAID PAIRS OF BAFFLES, TO SAID STUB DUCT.
Claim 2
Dependent Claim
142 words
AN AIRCRAFT JET PROPULSION POWER PLANT INCLUDING MEANS DEFINING AN ANNULAR PASSAGE, AN AXIAL FLOW AIR COMPRESSOR ARRANGED TO DELIVER AIR TO THE PASSAGE, A PLURALITY OF ELONGATED MEMBERS SPACED AROUND THE PASSAGE AND PROJECTING INTO IT TRANSVERSELY TO THE DIRECTION OF AIRFLOW TTHERETHROUGH, PAIRS OF PERFORATED BAFFLES EXTENDING DOWNSTREAM OF EACH MEMBER, MEANS MOUNTING EACH PAIR OF BAFFLES ON THE CORRESPONDING MEMBER FOR RELATIVE SWINGING MOVEMENT FROM AN OPEN V POSITION, WITH THE MEMBER CONSTITUTING THE APEX OF THE V, TO A CLOSED TOGETHER POSITION, MEANS FOR DISPERSING FUEL TO REACH THE V-SHAPED SPACE BETWEEN EACH PAIR OF BAFFLES WHEN OPEN FOR COMBUSTION IN THAT SPACE, AT LEAST ONE STUB DUCT EXTENDING OUTWARDS FROM THE AXIS OF THE COMPRESSOR TO AN OUTLET CARRYING A SWIVELLING NOZZLE, AND MEANS CONNECTING SAID PASSAGE, DOWNSTREAM OF SAID PAIRS OF BAFFLES, TO SAID STUB DUCT.
Claim 3
Dependent Claim
70 words
A PLANT ACCORDING TO CLAIM 1 IN WHICH THE ANNULAR SECTION PASSAGE IS DIVIDED INTO INNER AND OUTER ANNULAR PARTS BY A PARTITION WALL EXTENDING DOWNSTREAM FROM A LEADING EDGE SPACED FROM THE COMPRESSOR, THE OUTER PART OF THE PASSAGE BEING CONNECTED TO SAID ONE STUB DUCT, AND THE MEMBERS CARRYING THE BAFFLES PROJECTING INTO THE OUTER PART OF THE PASSAGE ADJACENT TO THE LEADING EDGE OF THE PARTITION WALL.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |