Title:
SOLAR SAIL AND SOLAR SAIL SPACECRAFT USING THE SAME
Document Type and Number:
Japanese Patent JP2016030486
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a solar sail capable of efficiently performing orbit control while not changing the attitude of a spacecraft body.SOLUTION: A solar sail includes: small sails 11 divided in triangular sail blocks R having one apexes at a spacecraft body, each sail block being formed in a rectangular plate shape with a one side face forming a reflection surface; connection bodies 12 engaging with four corners of the small sails, juxtaposing and holding the plural small sails at predetermined intervals; an actuator 14 connected with one ends of the connection bodies and changing the angles of the reflection surfaces of the small sails by adjusting the lengths of the connection bodies; and weights 13 provided at the other ends of the connection bodies and spreading the solar sail formed of the plural sail blocks by centrifugal force generated when the spacecraft body spins.SELECTED DRAWING: Figure 1
Inventors:
NAGAI MASATAKA
Application Number:
JP2014152994A
Publication Date:
March 07, 2016
Filing Date:
July 28, 2014
Export Citation:
Assignee:
NEC CORP
International Classes:
B64G1/24; B64G1/44
Domestic Patent References:
| JP2003026100A | 2003-01-29 | |||
| JPH05294297A | 1993-11-09 | |||
| JPS58197781A | 1983-11-17 | |||
| JPS6094895A | 1985-05-28 | |||
| JP2012174788A | 2012-09-10 | |||
| JP2004345386A | 2004-12-09 |
Foreign References:
| US20030010870A1 | 2003-01-16 | |||
| US4614319A | 1986-09-30 | |||
| FR2711111A1 | 1995-04-21 | |||
| DE102011082497A1 | 2013-03-14 |
Attorney, Agent or Firm:
Masahiko Desk
Naoki Shimosaka
Naoki Shimosaka