US3091382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engines
Assignee: Rolls Royce PLC
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Filing: 1961-09-15
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Granted: 1963-05-28
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Expires: 1981-09-15
Abstract
No abstract record available.
Inventors
- 👤 Shelley Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:44
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A GAS TURBINE ENGINE: COMPRESSOR MEANS AND TURBINE MEANS ARRANGED IN SERIES AND HAVING A COMMON AXIS OF ROTATION; SHAFT MEANS DRIVINGLY CONNECTING SAID COMPRESSOR MEANS TO SAID TURBINE MEANS; A MULTI-STAGE AXIAL-FLOW FAN ARRANGED IN SERIES WITH SAID COMPRESSOR MEANS AND SAID TURBINE MEANS, SAID MULTI-STAGE AXIAL-FLOW FAN HAVING AN AXIS OF ROTATION DISPLACED LATERALLY FROM AND PARALLEL TO THE COMMON AXIS OF ROTATION OF SAID COMPRESSOR MEANS AND SAID TURBINE MEANS; AND MEANS DRIVINGLY CONNECTING SAID MULTI-STAGE AXIAL-FLOW FAN TO SAID SHAFT MEANS, SAID LAST-MENTIONED MEANS INCLUDING REDUCTION GEARING HAVING A FIRST PART FOR DRIVING AT LEAST ONE STAGE OF SAID MULTI-STAGE AXIAL-FLOW FAN AND A SECOND PART FOR DRIVING AT LEAST ANOTHER STAGE OF SAID MULTISTAGE AXIAL-FLOW FAN.
Claim 2
Dependent Claim
122 words
IN A GAS TURBINE ENGINE: COMPRESSOR MEANS AND TURBINE MEANS ARRANGED IN SERIES AND HAVING A COMMON AXIS OF ROTATION; SHAFT MEANS DRIVINGLY CONNECTING SAID COMPRESSOR MEANS TO SAID TURBINE MEANS; A MULTI-STAGE AXIAL-FLOW FAN ARRANGED IN SERIES WITH SAID COMPRESSOR MEANS AND SAID TURBINE MEANS, SAID MULTI-STAGE AXIAL-FLOW FAN HAVING AN AXIS OF ROTATION DISPLACED LATERALLY FROM AND PARALLEL TO THE COMMON AXIS OF ROTATION OF SAID COMPRESSOR MEANS AND SAID TURBINE MEANS; AND MEANS DRIVINGLY CONNECTING SAID MULTI-STAGE AXIAL-FLOW FAN TO SAID SHAFT MEANS, SAID LAST-MENTIONED MEANS INCLUDING REDUCTION GEARING HAVING A FIRST PART FOR DRIVING AT LEAST ONE STAGE OF SAID MULTI-STAGE AXIAL-FLOW FAN AND A SECOND PART FOR DRIVING AT LEAST ANOTHER STAGE OF SAID MULTISTAGE AXIAL-FLOW FAN.
References Cited (Backward Citations)
CA613424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |