US3262658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus for aircraft
Assignee: Honeywell Inc
•
Filing: 1964-02-06
•
Granted: 1966-07-26
•
Expires: 1984-02-06
Abstract
No abstract record available.
Inventors
- 👤 Richard J Reilly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:06
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/006; B; B64; B64C; B64C23/00; B64C23/005; Y; Y02; Y02T; Y02T50/00; Y02T50/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN AN AIRCRAFT, OF THE CLASS DESCRIBED COMPRISING, AN AIRFOIL HAVING A SURFACE, THE SURFACE HAVING A BOUNDARY LAYER ASSOCIATED WITH A NEGATIVE PRESSURE GRADIENT AREA AND A NORMAL VELOCITY SEPARATION POINT; AND A SOURCE OF FLUID; MEANS RESPONSIVE TO A FLIGHT CONDITION OF SAID AIRCRAFT AND CONNECTED BOTH TO SAID SOURCE OF FLUID AND TO SAID AIRFOIL SO AS TO CAUSE FLUID FLOW THROUGH PORTS DIRECTED UPSTREAM TO SAID SURFACE INTO THE BOUNDARY LAYER TOWARD THE FRONT OF THE AIRFOIL IN THE NEGATIVE PRESSURE GRADIENT AREA TO INDUCE TURBULENCE TO MOVE THE VELOCITY SEPARATION POINT FORWARD AND TO ALTER THE PRESURE ON THE SURFACE GENERALLY PERPENDICULAR TO THE AREA.
Claim 2
Dependent Claim
110 words
IN AN AIRCRAFT, OF THE CLASS DESCRIBED COMPRISING, AN AIRFOIL HAVING A SURFACE, THE SURFACE HAVING A BOUNDARY LAYER ASSOCIATED WITH A NEGATIVE PRESSURE GRADIENT AREA AND A NORMAL VELOCITY SEPARATION POINT; AND A SOURCE OF FLUID; MEANS RESPONSIVE TO A FLIGHT CONDITION OF SAID AIRCRAFT AND CONNECTED BOTH TO SAID SOURCE OF FLUID AND TO SAID AIRFOIL SO AS TO CAUSE FLUID FLOW THROUGH PORTS DIRECTED UPSTREAM TO SAID SURFACE INTO THE BOUNDARY LAYER TOWARD THE FRONT OF THE AIRFOIL IN THE NEGATIVE PRESSURE GRADIENT AREA TO INDUCE TURBULENCE TO MOVE THE VELOCITY SEPARATION POINT FORWARD AND TO ALTER THE PRESURE ON THE SURFACE GENERALLY PERPENDICULAR TO THE AREA.
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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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |