US3094868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air data computer system
Assignee: Individual
•
Filing: 1960-09-27
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Granted: 1963-06-25
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Expires: 1980-09-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Niels Yde Andersen
- 👤 Hiramie T Mcadams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:11
CPC Classifications
B; B64; B64D; B64D43/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN AN AIRBORNE TRANSONIC FLIGHT LINE COMPUTER SYSTEM APPARATUS FOR DETERMINING THE FREE STREAM VALUE OF STATIC PRESSURE OF AN AIRCRAFT SAID APPARATUS COMPRISING A HEMISPHERICALLY-ENDED PRESSURE PROBE MOUNTED IN ALIGNMENT WITH THE REFERENCE CENTER LINE OF THE AIRCRAFT, SAID PROBE BEING CONSTRUCTED SO AS TO DETECT THE LOCAL VALUE OF STATIC PRESSURE; A TRANSDUCER WHICH CONVERTS THE LOCALLY DETECTED VALUE OF STATIC PRESSURE INTO A PROPORTIONATE ELECTRICAL VOLTAGE; AND A COMPENSATOR WHICH INCLUDES A THREE DIMENSIONAL CAM WHICH APPLIES AN EXPERIMENTALLY DETERMINED COMPENSATING CORRECTION TO THE LOCALLY SENSED VALUE OF STATIC PRESSURE TO OBTAIN THE FREE STREAM VALUE OF STATIC PRESSURE, THE CIRCUMFERENTIAL CONTOUR OF THE CAM BEING PROPORTIONAL TO THE MACH NUMBER OF THE AIRCRAFT, AND THE CONTOUR OF THE CAM ALONG ITS LONGITUDINAL PERIPHERY BEING PROPORTIONAL TO THE ANGLE BETWEEN THE REFERENCE CENTER LINE OF THE AIRCRAFT AND THE FREE STREAM VELOCITY VECTOR.
Claim 2
Dependent Claim
146 words
IN AN AIRBORNE TRANSONIC FLIGHT LINE COMPUTER SYSTEM APPARATUS FOR DETERMINING THE FREE STREAM VALUE OF STATIC PRESSURE OF AN AIRCRAFT SAID APPARATUS COMPRISING A HEMISPHERICALLY-ENDED PRESSURE PROBE MOUNTED IN ALIGNMENT WITH THE REFERENCE CENTER LINE OF THE AIRCRAFT, SAID PROBE BEING CONSTRUCTED SO AS TO DETECT THE LOCAL VALUE OF STATIC PRESSURE; A TRANSDUCER WHICH CONVERTS THE LOCALLY DETECTED VALUE OF STATIC PRESSURE INTO A PROPORTIONATE ELECTRICAL VOLTAGE; AND A COMPENSATOR WHICH INCLUDES A THREE DIMENSIONAL CAM WHICH APPLIES AN EXPERIMENTALLY DETERMINED COMPENSATING CORRECTION TO THE LOCALLY SENSED VALUE OF STATIC PRESSURE TO OBTAIN THE FREE STREAM VALUE OF STATIC PRESSURE, THE CIRCUMFERENTIAL CONTOUR OF THE CAM BEING PROPORTIONAL TO THE MACH NUMBER OF THE AIRCRAFT, AND THE CONTOUR OF THE CAM ALONG ITS LONGITUDINAL PERIPHERY BEING PROPORTIONAL TO THE ANGLE BETWEEN THE REFERENCE CENTER LINE OF THE AIRCRAFT AND THE FREE STREAM VELOCITY VECTOR.
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |