US3108767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
By-pass gas turbine engine with air bleed means
Assignee: Rolls Royce PLC
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Filing: 1961-03-09
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Granted: 1963-10-29
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Expires: 1981-03-09
Abstract
No abstract record available.
Inventors
- 👤 Eltis Ernest
- 👤 Collins Alec Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:36
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/08; F02K3/00; F02K3/02; F02K3/025
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
119 words
A BY-PASS GAS TURBINE ENGINE COMPRISING (A) A LOW-PRESSURE AIR COMPRESSOR, (B) A HIGH-PRESSURE AIR COMPRESSOR RECEIVING COMPRESSED AIR FROM THE LOW-PRESSURE COMPRESSOR, (C) COMBUSTION EQUIPMENT IN WHICH COMPRESSED AIR FROM THE HIGH PRESSURE COMPRESSOR IS HEATED, (D) A HIGH-PRESSURE TURBINE, (E) A LOW-PRESSURE TURBINE SAID COMPRESSORS, SAID COMBUSTION EQUIPMENT AND SAID TURBINES BEING CONNECTED IN FLOW SERIES ARRANGEMENT, SAID LOW PRESSURE TURBINE DRIVING THE LOW-PRESSURE COMPRESSOR AND SAID HIGHPRESSURE TURBINE DRIVING SAID HIGH-PRESSURE COMPRESSOR, (F) A BY-PASS AIR DUCT HAVING AN INLET THERETO CONNECTED TO SAID FLOW SERIES ARRANGEMENT BETWEEN SAID COMPRESSORS TO RECEIVE AIR COMPRESSED IN THE LOWPRESSURE COMPRESSOR, (G) AN EXHAUST NOZZLE ASSEMBLY, SAID LOW-PRESSURE TURBINE AND SAID BY-PASS DUCT DELIVERING TO SAID EXHAUST NOZZLE ASSEMBLY,
Claim 2
Dependent Claim
119 words
A BY-PASS GAS TURBINE ENGINE COMPRISING (A) A LOW-PRESSURE AIR COMPRESSOR, (B) A HIGH-PRESSURE AIR COMPRESSOR RECEIVING COMPRESSED AIR FROM THE LOW-PRESSURE COMPRESSOR, (C) COMBUSTION EQUIPMENT IN WHICH COMPRESSED AIR FROM THE HIGH PRESSURE COMPRESSOR IS HEATED, (D) A HIGH-PRESSURE TURBINE, (E) A LOW-PRESSURE TURBINE SAID COMPRESSORS, SAID COMBUSTION EQUIPMENT AND SAID TURBINES BEING CONNECTED IN FLOW SERIES ARRANGEMENT, SAID LOW PRESSURE TURBINE DRIVING THE LOW-PRESSURE COMPRESSOR AND SAID HIGHPRESSURE TURBINE DRIVING SAID HIGH-PRESSURE COMPRESSOR, (F) A BY-PASS AIR DUCT HAVING AN INLET THERETO CONNECTED TO SAID FLOW SERIES ARRANGEMENT BETWEEN SAID COMPRESSORS TO RECEIVE AIR COMPRESSED IN THE LOWPRESSURE COMPRESSOR, (G) AN EXHAUST NOZZLE ASSEMBLY, SAID LOW-PRESSURE TURBINE AND SAID BY-PASS DUCT DELIVERING TO SAID EXHAUST NOZZLE ASSEMBLY,
Claim 3
Dependent Claim
36 words
AN AIRCRAFT HAVING BLOWN FLAPS AND A POWER PLANT INCLUDING A BY-PASS ENGINE ACCORDING TO CLAIM 1, SAID BLOWN FLAPS BEING CONNECTED TO SAID BLEED DUCTING TO BE OPERATED BY AIR ABSTRACTED THROUGH SAID BLEED DUCTING.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |