JPS5495494A - Marine propeller of aluminium alloy - Google Patents
Marine propeller of aluminium alloyInfo
- Publication number
- JPS5495494A JPS5495494A JP256678A JP256678A JPS5495494A JP S5495494 A JPS5495494 A JP S5495494A JP 256678 A JP256678 A JP 256678A JP 256678 A JP256678 A JP 256678A JP S5495494 A JPS5495494 A JP S5495494A
- Authority
- JP
- Japan
- Prior art keywords
- propeller
- aluminium alloy
- marine propeller
- marine
- rear end
- 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
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
PURPOSE: To protect a marine propeller of aluminium alloy from corrosion, by providing an annular member of aluminium alloy on the rear end face of a propeller boss.
CONSTITUTION: The annular member 2 made of an aluminium alloy, whose spontaneous electrode potential in the sea water is lower than that of the aluminium alloy of the marine propeller, is provided on the rear end face of the propeller boss 1. The marine propeller has a lower weight and a better machinability than a conventional marine propeller of copper alloy. Such maintenance and servicing of the present propeller as replacement are easy. Furthermore, the propeller has a sufficient reliability.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP256678A JPS5495494A (en) | 1978-01-13 | 1978-01-13 | Marine propeller of aluminium alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP256678A JPS5495494A (en) | 1978-01-13 | 1978-01-13 | Marine propeller of aluminium alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5495494A true JPS5495494A (en) | 1979-07-27 |
Family
ID=11532911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP256678A Pending JPS5495494A (en) | 1978-01-13 | 1978-01-13 | Marine propeller of aluminium alloy |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5495494A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006306145A (en) * | 2005-04-26 | 2006-11-09 | Mitsubishi Heavy Ind Ltd | Marine propeller |
-
1978
- 1978-01-13 JP JP256678A patent/JPS5495494A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006306145A (en) * | 2005-04-26 | 2006-11-09 | Mitsubishi Heavy Ind Ltd | Marine propeller |
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