Title:
UNDERWATER MOVING DEVICE
Document Type and Number:
Japanese Patent JP3924807
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To surely recover the device main body even when its cable is tangled with an obstacle, etc.
SOLUTION: A floating air feed valve 17 is opened by the signal 57 from a control panel 11, hence compressed air is introduced into a ballast tank 13 from a compressed air tank 16 through a compressed air feed line 18, the water 6 in the ballast tank. 13 is discharged to the outside through a water discharge passage 20 provided with a check valve 19, and buoyancy is generated in the main body 5.
Inventors:
Tetsuya Nagao
Application Number:
JP16618896A
Publication Date:
June 06, 2007
Filing Date:
June 26, 1996
Export Citation:
Assignee:
Ishikawajima Harima Heavy Industries Co., Ltd.
International Classes:
B08B9/04; B08B9/02; (IPC1-7): B08B9/02
Domestic Patent References:
| JP1127486A | ||||
| JP5293789A | ||||
| JP6285448A | ||||
| JP8001107A | ||||
| JP5276851A | ||||
| JP63119494U |
Attorney, Agent or Firm:
Tsunemitsu Yamada
Seiichi Otsuka
Seiichi Otsuka
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