US3212731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fan powered aircraft
Assignee: General Electric Co
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Filing: 1963-09-09
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Granted: 1965-10-19
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Expires: 1983-09-09
Abstract
No abstract record available.
Inventors
- 👤 Peter G Kappus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:51
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0008; B64C29/0016; B64C29/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
AN AIRCRAFT ADAPTED FOR VERTICAL TAKE-OFF COMPRISING, A FUSELAGE AND A WING EXTENDING THEREFROM, HORIZONTAL THRUST MEANS INCLUDING, A FIRST HORIZONTALLY ORIENTED TIP-TURBINE FAN INCLUDING A FAN HAVING TURBINE BUCKETS ON THE TIP THEREOF MOUNTED ON SAID AIRCRAFT, THE INLET OF SAID FIRST FAN BEING POSITIONED ADJACENT THE SURFACE OF SAID AIRCRAFT TO INGEST BOUNDARY LAYER AIR FORMED ON SAID AIRCRAFT DURING FLIGHT, A FIRST GAS GENERATOR MOUNTED ADJACENT SAID FIRST TIP-TURBINE FAN AND RADIALLY SPACED FROM THE AXIS OF SAID FIRST TIP-TURBINE FAN, SAID FIRST GAS GENERATOR HAVING AN AIR INLET SEPARATE FROM THE INLET OF SAID FIRST FAN AND NON-INTERFERING WITH THE AIR FLOW PATH INTO THE INLET OF SAID FIRST FAN, THE FIRST GAS GENERATOR INLET BEING FORWARDLY DIRECTED AND DISPLACED FROM SAID AIRCRAFT SURFACE BEYOND SAID BOUNDARY LAYER AIR TO INGEST FULL PRESSURE RAM AIR, AND FIRST MANIFOLD MEANS CONNECTING THE OUTLET OF SAID FIRST GAS GENERATOR TO THE TURBINE BUCKETS OF SAID FIRST FAN
Claim 2
Dependent Claim
159 words
AN AIRCRAFT ADAPTED FOR VERTICAL TAKE-OFF COMPRISING, A FUSELAGE AND A WING EXTENDING THEREFROM, HORIZONTAL THRUST MEANS INCLUDING, A FIRST HORIZONTALLY ORIENTED TIP-TURBINE FAN INCLUDING A FAN HAVING TURBINE BUCKETS ON THE TIP THEREOF MOUNTED ON SAID AIRCRAFT, THE INLET OF SAID FIRST FAN BEING POSITIONED ADJACENT THE SURFACE OF SAID AIRCRAFT TO INGEST BOUNDARY LAYER AIR FORMED ON SAID AIRCRAFT DURING FLIGHT, A FIRST GAS GENERATOR MOUNTED ADJACENT SAID FIRST TIP-TURBINE FAN AND RADIALLY SPACED FROM THE AXIS OF SAID FIRST TIP-TURBINE FAN, SAID FIRST GAS GENERATOR HAVING AN AIR INLET SEPARATE FROM THE INLET OF SAID FIRST FAN AND NON-INTERFERING WITH THE AIR FLOW PATH INTO THE INLET OF SAID FIRST FAN, THE FIRST GAS GENERATOR INLET BEING FORWARDLY DIRECTED AND DISPLACED FROM SAID AIRCRAFT SURFACE BEYOND SAID BOUNDARY LAYER AIR TO INGEST FULL PRESSURE RAM AIR, AND FIRST MANIFOLD MEANS CONNECTING THE OUTLET OF SAID FIRST GAS GENERATOR TO THE TURBINE BUCKETS OF SAID FIRST FAN
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |