US3212733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cruise fan coupling system
Assignee: General Electric Co
•
Filing: 1964-07-30
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Granted: 1965-10-19
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Expires: 1984-07-30
Abstract
No abstract record available.
Inventors
- 👤 John T Kutney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:28
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/04; F04D25/045; B; B64; B64C; B64C11/00; B64C11/001; B64C29/00; B64C29/0008; B64C29/0016; B64C29/0033; F02; F02K; F02K5/00; F02K5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN AN AIRCRAFT OF THE TYPE HAVING CRUISE FANS IN NACELLES AND ROTATABLE WITH RESPECT TO THE AIRCRAFT FOR VERTICAL TAKE OFF AND CRUISE, A COUPLING SYSTEM CONNECTING SAID FANS TO THE AIRCRAFT COMPRISING, AN AIRFOIL SHAPED PYLON FIXED TO THE AIRCRAFT, A PLURALITY OF EXHAUST GAS DUCTS DISPOSED SIDE-BY-SIDE AND EXTENDING SUBSTANTIALLY LENGTHWISE IN THE PYLON, A FIXED SURFACE AT ONE END OF THE PYLON AND CONTAINING THE ENDS OF SAID DUCTS, A WALL SURFACE WITHIN THE FAN NACELLE AND SPACED FROM SAID FIXED SURFACE, WALL MEANS ENCLOSING THE SPACE BETWEEN SAID SURFACES TO FORM A PLENUM CHAMBER WITH SAID SURFACES, A PLURALITY OF FAN DUCTS IN ONE OF SAID WALLS, SAID DUCTS TERMINATING IN THE PLENUM CHAMBER AND FEEDING THE FAN, AND MEANS TO ROTATE AT LEAST SAID WALL WITH THE DUCTS THEREIN ABOUT A LONGITUDINAL AXIS IN SAID PYLON TO CHANGE THE POSITION OF SAID FAN RELATIVE TO SAID AIRCRAFT.
Claim 2
Dependent Claim
153 words
IN AN AIRCRAFT OF THE TYPE HAVING CRUISE FANS IN NACELLES AND ROTATABLE WITH RESPECT TO THE AIRCRAFT FOR VERTICAL TAKE OFF AND CRUISE, A COUPLING SYSTEM CONNECTING SAID FANS TO THE AIRCRAFT COMPRISING, AN AIRFOIL SHAPED PYLON FIXED TO THE AIRCRAFT, A PLURALITY OF EXHAUST GAS DUCTS DISPOSED SIDE-BY-SIDE AND EXTENDING SUBSTANTIALLY LENGTHWISE IN THE PYLON, A FIXED SURFACE AT ONE END OF THE PYLON AND CONTAINING THE ENDS OF SAID DUCTS, A WALL SURFACE WITHIN THE FAN NACELLE AND SPACED FROM SAID FIXED SURFACE, WALL MEANS ENCLOSING THE SPACE BETWEEN SAID SURFACES TO FORM A PLENUM CHAMBER WITH SAID SURFACES, A PLURALITY OF FAN DUCTS IN ONE OF SAID WALLS, SAID DUCTS TERMINATING IN THE PLENUM CHAMBER AND FEEDING THE FAN, AND MEANS TO ROTATE AT LEAST SAID WALL WITH THE DUCTS THEREIN ABOUT A LONGITUDINAL AXIS IN SAID PYLON TO CHANGE THE POSITION OF SAID FAN RELATIVE TO SAID AIRCRAFT.
References Cited (Backward Citations)
US3033492A
Cited
US3038683A
Cited
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 |