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Patent Searching and Data


Title:
WATER JET PROPULSION DEVICE
Document Type and Number:
Japanese Patent JP2014172567
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a water jet propulsion device capable of reducing occupation range in height direction of propulsion system and improving propulsion efficiency.SOLUTION: A water jet propulsion device comprises: an impeller 5 rotating on rotational axis 4; a jet flow path 11 which extends to upstream side along with the rotational axis 4 and in which the impeller 5 is built in; a draw flow path 10 introducing water W from outside of a ship body 2 to the jet flow path 11 and being arranged at the same position in height with the jet flow path 11; a rotatively driving part 3 arranged at the same position in height with the jet flow path 11 and driving the rotational axis 4. The draw flow path 10 makes a detour so as to escape from the rotatively driving part 3 in plane-view.

Inventors:
KONISHI EIJI
FUKAO SHINJI
Application Number:
JP2013049154A
Publication Date:
September 22, 2014
Filing Date:
March 12, 2013
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
B63H11/08; B63B1/32
Attorney, Agent or Firm:
Woods Ryuichiro
Masatake Shiga
Norio Takahashi
Tetsuo Yamazaki
Yasushi Matsunuma