Title:
UNDERWATER PROPULSION DEVICE AND UNDERWATER PROBE DEVICE
Document Type and Number:
Japanese Patent JP2016074277
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an underwater propulsion device and an underwater probe device capable of securing needed propulsion power even during low speed operation, and having less vibration, and capable of finely controlling a posture.SOLUTION: An underwater propulsion device 1 according to an embodiment comprises: a main body 2 whose tail part is a conical shape; at least one pump having a channel comprising inlets 6 on an outer peripheral face of the main body 2 and a discharging port on the tail part on a downstream side of the inlets 6, and an impeller disposed in the channel; a cylindrical diffuser 8 attached to the main body 2 so as to surround the outer periphery of the discharging port; and plural direction control blades 9 attached in an annular-state to the outer surface of the main body 2 in the vicinity of the downstream of the discharging port, and pivotally supported to the main body 2 at an upstream end.SELECTED DRAWING: Figure 1
Inventors:
KONDO HAYATO
OSAKABE SHINKO
OSAKABE SHINKO
Application Number:
JP2014205122A
Publication Date:
May 12, 2016
Filing Date:
October 03, 2014
Export Citation:
Assignee:
UNIV TOKYO MARINE SCI & TECH
International Classes:
B63H11/08; B63C11/48; B63H11/103; B63H11/107
Domestic Patent References:
| JP2000280981A | 2000-10-10 | |||
| JP2004189122A | 2004-07-08 | |||
| JPH06329086A | 1994-11-29 | |||
| JPS63134896U | 1988-09-05 |
Foreign References:
| US6926567B1 | 2005-08-09 | |||
| US7241193B2 | 2007-07-10 | |||
| US3678689A | 1972-07-25 | |||
| US3447324A | 1969-06-03 |
Attorney, Agent or Firm:
Hirohito Katsunuma
Yasukazu Sato
Yasushi Kawasaki
Takeshi Sekine
Masashi Yoshida
Yasukazu Sato
Yasushi Kawasaki
Takeshi Sekine
Masashi Yoshida