Title:
CONE SCREW
Document Type and Number:
Japanese Patent JPH09202294
Kind Code:
A
Abstract:
To enable stable safe running with obstacles removed, which impair vessel running, by compressing water, and discharging it out.
A twisted vane is mounted in the inside of a cone type external container, and a main shaft is thereby rotated, so that force developed by water is made use of, which is compressed so as to be thrust afterward.
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Inventors:
TAKAHASHI ATAKA
Application Number:
JP4401396A
Publication Date:
August 05, 1997
Filing Date:
January 24, 1996
Export Citation:
Assignee:
TAKAHASHI ATAKA
International Classes:
B63H1/12; (IPC1-7): B63H1/12
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