Title:
CORROSION PREVENTION DEVICE AND METHOD FOR OPERATING CORROSION PREVENTION DEVICE
Document Type and Number:
Japanese Patent JP2022115693
Kind Code:
A
Abstract:
To provide a corrosion prevention device capable of changing magnitude of corrosion prevention current as necessary, and a method for operating a corrosion prevention device.SOLUTION: A corrosion prevention device 100 that is provided on a marine vessel having a hull 1 having conductivity, and a propeller 41 that is supported on the hull and is formed of a material having a higher potential than that of a material forming the hull includes: an insulator 2 provided on the outer surface of the hull; a sacrificial anode mounted on the hull through the insulator; a first variable resistor R1 provided between the sacrificial anode and the hull; and a second variable resistor R2 provided between the propeller and the hull.SELECTED DRAWING: Figure 3
Inventors:
YOKOYAMA YUTAKA
MUKAI YOSUKE
TAGAMI NAOTO
EGAWA KAORU
TANI TOSHIHIRO
UEDA TAKAHIKO
YUASA YOSHITAKA
TANAKA KEIICHIRO
MUKAI YOSUKE
TAGAMI NAOTO
EGAWA KAORU
TANI TOSHIHIRO
UEDA TAKAHIKO
YUASA YOSHITAKA
TANAKA KEIICHIRO
Application Number:
JP2021012406A
Publication Date:
August 09, 2022
Filing Date:
January 28, 2021
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
B63B59/04; C23F13/02; C23F13/06
Attorney, Agent or Firm:
Yasushi Matsunuma
Eisuke Ito
Hiroyuki Hashimoto
Ancient city Satoshi
Koichiro Kamada
Eisuke Ito
Hiroyuki Hashimoto
Ancient city Satoshi
Koichiro Kamada