US3263416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
By-pass air diversion to lift fans
Assignee: Rolls Royce PLC
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Filing: 1964-08-03
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Granted: 1966-08-02
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Expires: 1984-08-03
Abstract
No abstract record available.
Inventors
- 👤 Bill Arthur
- 👤 Powell Frederick Bowen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:56
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0016; B64C29/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A BY-PASS GAS TURBINE ENGINE COMPRISING: COMPRESSOR MEANS, COMBUSTION MEANS AND TURBINE MEANS ARRANGED IN FLOW SERIES; MEANS DRIVINGLY INTERCONNECTING SAID TURBINE MEANS WITH SAID COMPRESSOR MEANS; A JET PIPE FOR RECEIVING EXHAUST GASES FROM SAID TURBINE MEANS, SAID JET PIPE HAVING A DISCHARGE OUTLET; A BY-PASS DUCT HAVING AN INLET FOR RECEIVING A PORTION OF AIR COMPRESSED BY SAID COMPRESSOR MEANS AND AN OUTLET FOR DISCHARGING THE AIR AS PART OF THE PROPULSIVE JET; A BLEED DUCT COMMUNICATING WITH SAID BY-PASS DUCT INTERMEDIATE THE INLET AND OUTLET OF THE BY-PASS DUCT FOR SUPPLYING BY-PASS AIR TO AN ANCILLARY POINT OF USE; A FIRST VALVE MEANS FOR CONTROLLING COMMUNICATION BETWEEN SAID BY-PASS DUCT AND SAID BLEED DUCT; A SECOND VALVE MEANS FOR CONTROLLING DISCHARGE OF BY-PASS AIR FROM THE OUTLET OF SAID BY-PASS DUCT AND FOR VARYING AREA OF THE DISCHARGE OUTLET OF SAID JET PIPE; AND OPERATING MEANS OPERATIVELY INTERCONNECTING
Claim 2
Dependent Claim
151 words
A BY-PASS GAS TURBINE ENGINE COMPRISING: COMPRESSOR MEANS, COMBUSTION MEANS AND TURBINE MEANS ARRANGED IN FLOW SERIES; MEANS DRIVINGLY INTERCONNECTING SAID TURBINE MEANS WITH SAID COMPRESSOR MEANS; A JET PIPE FOR RECEIVING EXHAUST GASES FROM SAID TURBINE MEANS, SAID JET PIPE HAVING A DISCHARGE OUTLET; A BY-PASS DUCT HAVING AN INLET FOR RECEIVING A PORTION OF AIR COMPRESSED BY SAID COMPRESSOR MEANS AND AN OUTLET FOR DISCHARGING THE AIR AS PART OF THE PROPULSIVE JET; A BLEED DUCT COMMUNICATING WITH SAID BY-PASS DUCT INTERMEDIATE THE INLET AND OUTLET OF THE BY-PASS DUCT FOR SUPPLYING BY-PASS AIR TO AN ANCILLARY POINT OF USE; A FIRST VALVE MEANS FOR CONTROLLING COMMUNICATION BETWEEN SAID BY-PASS DUCT AND SAID BLEED DUCT; A SECOND VALVE MEANS FOR CONTROLLING DISCHARGE OF BY-PASS AIR FROM THE OUTLET OF SAID BY-PASS DUCT AND FOR VARYING AREA OF THE DISCHARGE OUTLET OF SAID JET PIPE; AND OPERATING MEANS OPERATIVELY INTERCONNECTING
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |