Title:
PROPELLER DISPERSION TYPE NON-RIGID AIRSHIP AND PROPULSION UNIT THEREOF
Document Type and Number:
Japanese Patent JP3867138
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve propulsion efficiency of a propeller for a non-rigid airship, reduce weight, increase degree of freedom of attachment, reduce development cost and development risk, and increase degree of freedom of ship body structure design.
SOLUTION: A secondary battery, a motor and a propeller are unitized as one device to compose a propulsion unit. A plurality of the propulsion units 43 are dispersedly arranged on a ship body 44 of a solar power electric non-rigid airship and are directly installed on a hull outer cover 41.
Inventors:
Masashi Harada
Application Number:
JP2002259241A
Publication Date:
January 10, 2007
Filing Date:
September 04, 2002
Export Citation:
Assignee:
Japan Aerospace Exploration Agency
International Classes:
B64B1/32; B64B1/02; (IPC1-7): B64B1/32; B64B1/02
Domestic Patent References:
| JP2003054494A | ||||
| JP2001199397A | ||||
| JP11278389A | ||||
| JP11034990A | ||||
| JP9509120A | ||||
| JP6199290A | ||||
| JP6064591A |
Foreign References:
| US6315242 | ||||
| US2146851 | ||||
| US1941799 | ||||
| WO1999024315A2 |
Attorney, Agent or Firm:
Shigenobu Oshiro
Masuo Yamada
Fumio Sato
Masuo Yamada
Fumio Sato
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