Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of FR504949ApublicationCriticalpatent/FR504949A/fr
B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
B64C11/008—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft characterised by vibration absorbing or balancing means
Landscapes
Engineering & Computer Science
(AREA)
Aviation & Aerospace Engineering
(AREA)
FR504949A1918-10-231919-10-16Dispositif pour équilibrer les pales d'hélices
ExpiredFR504949A
(fr)
Dispositif pour régler électriquement la position des pales d'hélices aériennes de propulsion ou d'entraînement, et pour synchroniser ces hélices