US3176413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flyable helicopter pilot training apparatus
Assignee: Dornier Werke GmbH
•
Filing: 1963-03-20
•
Granted: 1965-04-06
•
Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Dornier Peter
- 👤 Laufer Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:56
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A FLYABLE TRAINING APPARATUS FOR SUPPORTING AND TRAINING HELICOPTER PILOTS, COMPRISING: A DEVICE CAPABLE OF LEAVING THE GROUND AND INCLUDING: A PILOT''S SEAT, A COMPRESSED AIR JET DRIVEN HELICOPTER REACTION ROTOR CAPABLE TO LIFT SAID DEVICE FROM THE ROUND AND TO MAINTAIN SAID DEVICE IN THE AIR, CONDUIT MEANS CONNECTED TO SAID ROTOR FOR SUPPLYING COMPRESSED AIR THERETO, A RUDDER, A DIFFUSER CONNECTED TO SAID CONDUIT MEANS FOR RECEIVING COMPRESSED AIR THEREFROM AND DISCHARGING AIR EXPANDED IN SAID DIFFUSOR ONTO SAID RUDDER AND PRODUCING A THRUST SIMULATING THE THRUST PRODUCED BY A TURBINE DRIVING THE COMPRESSOR PRODUCING COMPRESSED AIR FOR DRIVING THE REACTION ROTOR OF A HELICOPTER,
Claim 2
Dependent Claim
107 words
A FLYABLE TRAINING APPARATUS FOR SUPPORTING AND TRAINING HELICOPTER PILOTS, COMPRISING: A DEVICE CAPABLE OF LEAVING THE GROUND AND INCLUDING: A PILOT''S SEAT, A COMPRESSED AIR JET DRIVEN HELICOPTER REACTION ROTOR CAPABLE TO LIFT SAID DEVICE FROM THE ROUND AND TO MAINTAIN SAID DEVICE IN THE AIR, CONDUIT MEANS CONNECTED TO SAID ROTOR FOR SUPPLYING COMPRESSED AIR THERETO, A RUDDER, A DIFFUSER CONNECTED TO SAID CONDUIT MEANS FOR RECEIVING COMPRESSED AIR THEREFROM AND DISCHARGING AIR EXPANDED IN SAID DIFFUSOR ONTO SAID RUDDER AND PRODUCING A THRUST SIMULATING THE THRUST PRODUCED BY A TURBINE DRIVING THE COMPRESSOR PRODUCING COMPRESSED AIR FOR DRIVING THE REACTION ROTOR OF A HELICOPTER,
References Cited (Backward Citations)
US2433251A
Cited
US2518697A
Cited
US2659556A
Cited
US2995740A
Cited
US2954614A
Cited
US2921743A
Cited
US3093927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |