Multi-purpose airship

Details Multi-purpose airship Multi-purpose airship

2006-05-02

2006-05-02

Poon, Peter M. (Department: 3643)

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplanes, weight diminished by bouyant gas

C244S006000, C244S025000, C244S026000

Reexamination Certificate

active

07036768

ABSTRACT:
A multi-purpose airship usable for multi-purposes with less maintenance cost is provided. The multi-purpose airship comprises an operator cabin (1) to which a work device of agricultural chemical scattering device (10) or the like is fittable, a rotor (4) fitted to a top of the operator cabin (1) and having rotor blades of plural stages (or coaxial rotors) of which fitting angle (or pitch) is adjustable to generate a lifting force and propulsive force, a balloon (5) detachably fitted to a top of the rotor (4) and filled with gas lighter than air to generate a lifting force, a stabilizing wing (2) elongating horizontally from each side of the operator cabin (1) and a propulsion device (3) comprising a propeller device or jet engine fitted to a distal end of the stabilizing wing (2) to vary a thrust direction between the horizontal direction and the vertical direction.

REFERENCES:
patent: 932712 (1909-08-01), Le Fevre
patent: 2030098 (1979-05-01), None

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