US3111928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving arrangement for land-, water- and air-craft
Assignee: Forschungszentrum der Luftfahrtindustrie
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Filing: 1960-08-08
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Granted: 1963-11-26
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Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:05
CPC Classifications
B; B63; B63H; B63H1/00; B63H1/02; B63H1/12; B63H1/14; B63H1/28; B62; B62D; B62D57/00; B62D57/04; B63H1/30; B63H1/36; B64; B64C; B64C23/00; B64C23/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A DRIVING ARRANGEMENT FOR LAND-, WATER- AND AIRCRAFT OF THE TYPE WHICH IS PROPELLED BY A FLUID STREAM, IN COMBINATION, MEANS FOR PRODUCING A FLUID STREAM; A BODY OF AIRFOIL PROFILE HAVING A LEADING EDGE AND A FIRST AND A SECOND SIDE; MEANS MOUNTING SAID BODY IN THE FLUID STREAM IN SUCH MANNER THAT THE LEADING EDGE IS PERPENDICULAR TO THE DIRECTION OF THE FLUID STREAM; A DEFLECTING ELEMENT OF AIRFOIL PROFILE HAVING A LEADING EDGE AND A GEOMETRIC CHORD; AND ROTARY MEANS HAVING AN AXIS OF ROTATION PERPENDICULAR TO THE DIRECTION OF THE FLUID STREAM AND ECCENTRICALLY MOUNTING SAID DEFLECTING ELEMENT IN THE FLUID STREAM BETWEEN SAID STREAM PRODUCING MEANS AND SAID BODY IN SUCH MANNER THAT THE LEADING EDGE OF SAID DEFLECTING ELEMENT IS PERPENDICULAR TO AND THAT SAID GEOMETRIC CHORD IS PARALLEL WITH THE DIRECTION OF THE FLUID STREAM WHEREBY SAID ELEMENT ALTERNATELY DEFLECTS THE FLUID STREAM AGAINST THE SIDES OF SAID BODY WHEN ROTATED BY SAID ROTARY MEANS.
Claim 2
Dependent Claim
163 words
IN A DRIVING ARRANGEMENT FOR LAND-, WATER- AND AIRCRAFT OF THE TYPE WHICH IS PROPELLED BY A FLUID STREAM, IN COMBINATION, MEANS FOR PRODUCING A FLUID STREAM; A BODY OF AIRFOIL PROFILE HAVING A LEADING EDGE AND A FIRST AND A SECOND SIDE; MEANS MOUNTING SAID BODY IN THE FLUID STREAM IN SUCH MANNER THAT THE LEADING EDGE IS PERPENDICULAR TO THE DIRECTION OF THE FLUID STREAM; A DEFLECTING ELEMENT OF AIRFOIL PROFILE HAVING A LEADING EDGE AND A GEOMETRIC CHORD; AND ROTARY MEANS HAVING AN AXIS OF ROTATION PERPENDICULAR TO THE DIRECTION OF THE FLUID STREAM AND ECCENTRICALLY MOUNTING SAID DEFLECTING ELEMENT IN THE FLUID STREAM BETWEEN SAID STREAM PRODUCING MEANS AND SAID BODY IN SUCH MANNER THAT THE LEADING EDGE OF SAID DEFLECTING ELEMENT IS PERPENDICULAR TO AND THAT SAID GEOMETRIC CHORD IS PARALLEL WITH THE DIRECTION OF THE FLUID STREAM WHEREBY SAID ELEMENT ALTERNATELY DEFLECTS THE FLUID STREAM AGAINST THE SIDES OF SAID BODY WHEN ROTATED BY SAID ROTARY MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |