Title:
AIRPLANE WITH ROTARY WING MOUNTED TO CENTER PART OF DOUGHNUT TYPE BALLOON
Document Type and Number:
Japanese Patent JP2002337794
Kind Code:
A
Abstract:
To facilitate transportation by offsetting the weight of an airframe, and becoming lighter by the buoyancy portion near the ground.
Helium gas or hydrogen gas which are light gas are put in a doughnut type balloon 11, and the buoyancy of the light gas is used to mount rotary wings 12 to the center of the doughnut type balloon. With this structure, a heavy object can be easily transported by both the lift of the rotary wings and buoyancy of the gas.
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Inventors:
KAYAMA TSUNEO
Application Number:
JP2001148801A
Publication Date:
November 27, 2002
Filing Date:
May 18, 2001
Export Citation:
Assignee:
KAYAMA TSUNEO
International Classes:
B64C29/00; B64C39/00; (IPC1-7): B64C29/00; B64C39/00
Domestic Patent References:
| JPS63188299A | 1988-08-03 |
Foreign References:
| US5071383A | 1991-12-10 |