Title:
BOAT PROPULSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2002/028705
Kind Code:
A1
Abstract:
A boat propulsion device, wherein a curved tube-shaped propeller (2) is formed, on a bottom (1b), of a front casing (12) having a suction port (11) opened under water on a bow side, an impeller casing (10) for inscribing an impeller (17) therewith, and a rear casing (14) having a delivery port (13) opened under water on a stern side so that the impeller (17) can be rotated in forward and reverse directions.
Inventors:
ISHIGAKI EIICHI (JP)
Application Number:
PCT/JP2001/008758
Publication Date:
April 11, 2002
Filing Date:
October 04, 2001
Export Citation:
Assignee:
ISHIGAKI MECH IND (JP)
ISHIGAKI EIICHI (JP)
ISHIGAKI EIICHI (JP)
International Classes:
B63H11/04; B63H11/107; B63H23/08; (IPC1-7): B63H11/01; B63H11/01; B63H11/11; B63H5/10; B63H23/08
Foreign References:
| JPH048694A | 1992-01-13 | |||
| JPH0840374A | 1996-02-13 | |||
| JPH0296400U | 1990-08-01 | |||
| JPH05155381A | 1993-06-22 | |||
| JP2000168684A | 2000-06-20 | |||
| JPS57138497A | 1982-08-26 | |||
| JPH05330486A | 1993-12-14 | |||
| JPS55127295A | 1980-10-01 |
Other References:
See also references of EP 1243504A4
Attorney, Agent or Firm:
Miyoshi, Hidekazu (2-8 Toranomon 1-chome, Minato-k, Tokyo 01, JP)
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