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


Year filed 1910
Year granted 1912
Office DE
Patent number 247715
Inventors Otto Schmidt
Inventor country DE
Applicant person
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
Full specification filed date
Application number
Grant date
Granted? 1
Publication date 1912-06-03
Supplementary to patent
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories DE 77h.6
IPCs IPC B64C27/57
CPCs CPC B64C27/26
Family year
First filing?
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 1
Number of diagram pages 1
Number of figures 2
Number of claims