Title:
LEAKAGE INSPECTION DEVICE FOR LIQUID STORAGE TANK
Document Type and Number:
Japanese Patent JP3962408
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a leakage inspection device for a liquid storage tank capable of detecting minute fluctuations in the liquid face level caused by leakage of a liquid.
SOLUTION: In this leakage inspection device C having a float 4 floating on a liquid face, a wire 5 for suspending the float at its lower end, and a swing balancer 3 with a midway fixed to a pivotal shaft 2, arranged swingably around an axis of the pivotal shaft 2, with one end fixed to the wire 5, and with the other end attached with a weight 7, a displacement of the other end in the swing balancer 3 is measured electrically by a sensor mechanism 9.
Inventors:
Shinsuke Maeshiba
Application Number:
JP2005036784A
Publication Date:
August 22, 2007
Filing Date:
February 14, 2005
Export Citation:
Assignee:
Showa Kiki Kogyo Co., Ltd.
International Classes:
G01M3/26; B65D90/02; B65D90/50; B67D7/78; G01F23/40; G01F23/42
Domestic Patent References:
| JP2032638Y2 | ||||
| JP52052973U | ||||
| JP6347309A | ||||
| JP51094863A | ||||
| JP63266316A | ||||
| JP2002039842A | ||||
| JP7120296A |
Attorney, Agent or Firm:
Masu Kobori
Takato Tsutsumi
Takato Tsutsumi