Patent DE-1910-247715
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A helicopter blade which can also create lift, like an airplane wing, when the aircraft travels forward.
- Inventor location: Nordhausen
Sources
- Zeitschrift für Flugtechnik und Motorluftschiffahrt Jahrgang III (1912), p. 296
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
Year filed | 1910 |
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Year granted | 1912 |
Office | DE |
Patent number | 247715 |
Inventors | Otto Schmidt |
Inventor country | DE |
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Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Propellerflügel für Schraubenflieger, die derart verstellbar sind, daß sie beim Antreiben durch besondere Vortriebsmittel in horizontaler Richtung als Tragflächen wirken |
English title | Propeller blade for helicopters, arranged to function as airfoils when the propulsion system is oriented toward horizontal movement |
Tech fields | helicopter, propeller, Tragfläche, hybrid, subsystem |
Filing date | 1910-09-25 |
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Granted? | 1 |
Publication date | 1912-06-03 |
Supplementary to patent | |
Related to aircraft? | 1 |
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National tech categories | DE 77h.6 |
IPCs | IPC B64C27/57 |
CPCs | CPC B64C27/26 |
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Citations from after 1930 | |
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Number of text pages | 1 |
Number of diagram pages | 1 |
Number of figures | 2 |
Number of claims |