Aeronautics and astronautics – Aircraft – heavier-than-air – Fluid sustained
Patent
1976-04-05
1976-12-14
Kunin, Stephen G.
Aeronautics and astronautics
Aircraft, heavier-than-air
Fluid sustained
244 1719, 244 23C, 416126, 416129, B64C 2900
Patent
active
039971317
ABSTRACT:
A rotor arrangement for an aircraft comprising two coaxially counter-rotatable rotators, each rotor being journaled freely rotatable about an imaginary axis of rotation common to both rotors on or through a fuselage part or a support member, each fuselage part or support member being either rigidly connected to or journaled on the fuselage, each rotor together with the other respective rotor or with the component part of the support member or fuselage part supporting the first mentioned rotor constituting an integral part of an electromotor by forming the counteracting parts of the electromotor ("rotor" and "stator") which rotate relative to one another by securing a plurality of poles of the electromotor to the respective rotor and by arranging on the other counter-rotating rotor or on the component part of the support member or fuselage part supporting the first mentioned rotor the corresponding poles of the electromotor facing toward the poles of the respective rotor such that a reciprocal field effect exists, at least the poles provided on one rotor or on the respective component part of the support member or fuselage part being electrically connected to a current generator which produces a frequency current.
REFERENCES:
patent: 2462182 (1949-02-01), Guerdan et al.
patent: 3187190 (1965-06-01), Lang
patent: 3395876 (1968-08-01), Green
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