JPS55127295A - Water jet propulsion ship - Google Patents
Water jet propulsion shipInfo
- Publication number
- JPS55127295A JPS55127295A JP3607679A JP3607679A JPS55127295A JP S55127295 A JPS55127295 A JP S55127295A JP 3607679 A JP3607679 A JP 3607679A JP 3607679 A JP3607679 A JP 3607679A JP S55127295 A JPS55127295 A JP S55127295A
- Authority
- JP
- Japan
- Prior art keywords
- ship
- ducts
- water
- ports
- turning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To facilitate forward/backward propulsion and turning of a ship as well as bringing the ship alongside a wharf by a method wherein water is flowed by variable-vane pumps into ducts having openings at the bottom and the stern portion and into ducts which are branched from the former ducts and having opening at the ship's sides, and water is jetted outward from the ports of the ducts.
CONSTITUTION: For forward propulsion of the ship, pumps 4 creates water flows in ducts 3 in the direction from ports at the bottom to ports on the stern, and water is jetted outward to the stern. Adjustment of the pitch of variable vanes leads to adjustment of water jet amount and hence adjustment of the speed of the ship. For turning the ship to the right, the jet amount on the right is decreased and that on the left is increased. This turning is accelerated by making the vane pitch of the pumps negative on the right board side and positive on the left board side. For backward propulsion, the vane pitch is set negative on both right and left board sides, to cause water to flow reversely. For moving the ship to starboard, change-over valves 8 and 8' are closed, change-over valves 9 and 10 are opened, change-over valves 9' and 10' are closed, and water is flowed through the ducts 6 and 7 and jetted outward to the port side. Resulting in the rightward shifting of the ship.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3607679A JPS55127295A (en) | 1979-03-26 | 1979-03-26 | Water jet propulsion ship |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3607679A JPS55127295A (en) | 1979-03-26 | 1979-03-26 | Water jet propulsion ship |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55127295A true JPS55127295A (en) | 1980-10-01 |
Family
ID=12459642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3607679A Pending JPS55127295A (en) | 1979-03-26 | 1979-03-26 | Water jet propulsion ship |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55127295A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998057849A1 (en) * | 1997-06-18 | 1998-12-23 | Ishigaki Company Limited | Water jet propulsion system for watercraft |
WO2002028705A1 (en) * | 2000-10-04 | 2002-04-11 | Ishigaki Company Limited | Boat propulsion device |
WO2002030741A1 (en) * | 2000-10-06 | 2002-04-18 | Ishigaki Company Limited | Boat propulsion device |
EP1587732A2 (en) * | 2002-12-10 | 2005-10-26 | Jeff Jordan | Variable marine jet propulsion |
CN113089612A (en) * | 2020-01-16 | 2021-07-09 | 马俊 | Side end pipe of steering mechanism of water surface garbage cleaning ship |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4510353Y1 (en) * | 1965-08-10 | 1970-05-13 |
-
1979
- 1979-03-26 JP JP3607679A patent/JPS55127295A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4510353Y1 (en) * | 1965-08-10 | 1970-05-13 |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998057849A1 (en) * | 1997-06-18 | 1998-12-23 | Ishigaki Company Limited | Water jet propulsion system for watercraft |
AU721107B2 (en) * | 1997-06-18 | 2000-06-22 | Ishigaki Company Limited | Water jet propulsion system for watercraft |
US6193570B1 (en) | 1997-06-18 | 2001-02-27 | Ishigaki Company Limited | Water jet propulsion system for watercraft |
EP1243504A1 (en) * | 2000-10-04 | 2002-09-25 | Ishigaki Company Limited | Boat propulsion device |
WO2002028705A1 (en) * | 2000-10-04 | 2002-04-11 | Ishigaki Company Limited | Boat propulsion device |
EP1243504A4 (en) * | 2000-10-04 | 2003-04-16 | Ishigaki Mech Ind | Boat propulsion device |
US6786167B2 (en) | 2000-10-04 | 2004-09-07 | Ishigaki Company Limited | Propulsion system for boats |
WO2002030741A1 (en) * | 2000-10-06 | 2002-04-18 | Ishigaki Company Limited | Boat propulsion device |
EP1243505A1 (en) * | 2000-10-06 | 2002-09-25 | Ishigaki Company Limited | Boat propulsion device |
EP1243505A4 (en) * | 2000-10-06 | 2003-02-12 | Ishigaki Mech Ind | Boat propulsion device |
US6645018B2 (en) | 2000-10-06 | 2003-11-11 | Ishigaki Company Limited | Boat propulsion device |
EP1587732A2 (en) * | 2002-12-10 | 2005-10-26 | Jeff Jordan | Variable marine jet propulsion |
EP1587732A4 (en) * | 2002-12-10 | 2011-04-13 | Jeff Jordan | Variable marine jet propulsion |
CN113089612A (en) * | 2020-01-16 | 2021-07-09 | 马俊 | Side end pipe of steering mechanism of water surface garbage cleaning ship |
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