US3102387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock positioning control system
Assignee: Curtiss Wright Corp
•
Filing: 1959-04-20
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Granted: 1963-09-03
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Expires: 1979-04-20
Abstract
No abstract record available.
Inventors
- 👤 Caspar John
- 👤 Howard D Hoffman
- 👤 Muhlfelder Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:50
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/44; F04F5/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
CONTROL APPARATUS FOR AN AIRCRAFT JET ENGINE HAVING AN AIR INLET THROUGH WHICH AIR ENTERS AT SUPERSONIC VELOCITY DURING SUPERSONIC FLIGHT; MEANS FOR SENSING THE POSITION OF THE NORMAL SHOCK WAVE WITHIN THE INLET; AND MEANS RESPONSIVE TO SAID SENSING MEANS AND INCLUDING A MEMBER OPERABLE TO REGULATE THE PRESSURE WITHIN SAID ENGINE DOWNSTREAM OF SAID NORMAL SHOCK FOR POSITIONING SAID SHOCK WITHIN A PREDETERMINED ZONE WITHIN SAID INLET, SAID RESPONSIVE MEANS ALSO INCLUDING MEANS FOR EFFECTING DIFFERENT SPEEDS OF OPERATION OF SAID MEMBER DEPENDING ON THE DIRECTION AND MAGNITUDE OF THE DEPARTURE OF SAID SHOCK FROM SAID ZONE.
Claim 2
Dependent Claim
99 words
CONTROL APPARATUS FOR AN AIRCRAFT JET ENGINE HAVING AN AIR INLET THROUGH WHICH AIR ENTERS AT SUPERSONIC VELOCITY DURING SUPERSONIC FLIGHT; MEANS FOR SENSING THE POSITION OF THE NORMAL SHOCK WAVE WITHIN THE INLET; AND MEANS RESPONSIVE TO SAID SENSING MEANS AND INCLUDING A MEMBER OPERABLE TO REGULATE THE PRESSURE WITHIN SAID ENGINE DOWNSTREAM OF SAID NORMAL SHOCK FOR POSITIONING SAID SHOCK WITHIN A PREDETERMINED ZONE WITHIN SAID INLET, SAID RESPONSIVE MEANS ALSO INCLUDING MEANS FOR EFFECTING DIFFERENT SPEEDS OF OPERATION OF SAID MEMBER DEPENDING ON THE DIRECTION AND MAGNITUDE OF THE DEPARTURE OF SAID SHOCK FROM SAID ZONE.
References Cited (Backward Citations)
US2796730A
Cited
US2880579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |