Title:
WATER GAUGE FOR LIQUID INCLUDING HARMFUL CHEMICAL COMPONENT
Document Type and Number:
Japanese Patent JP3118624
Kind Code:
B2
Abstract:
PURPOSE: To provide a water gauge which can measure the water level stably while maintaining high measuring accuracy for a long period, even though the measuring object liquid includes a harmful chemical component.
CONSTITUTION: A water gauge case 2 has a diaphragm 3 at the middle part, and has the upper hollow part 5 and the lower hollow part 7 by placing the diaphragm 3 at the center. At the lower end 6 of the water gauge case 2, an intermediate cap member 8, a circumferential wall 13a, and a cap 13 for shock absorption are connected. On the outer periphery of the intermediate cap member 8, a filter member 11 is provided. In the lower hollow part 7 and a cylindrical member 12 connected to the hollow part 7, a silicone oil 14 is filled. Even though the object liquid to measure is a hot spring water, for example, the diaphragm 3 is prevented from a corrosion because the silicone oil 14 is provided between the object liquid and the diaphragm 14.
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Inventors:
Keiichiro Mochizuki
Application Number:
JP4058394A
Publication Date:
December 18, 2000
Filing Date:
February 16, 1994
Export Citation:
Assignee:
Kyowa Denki Co., Ltd.
International Classes:
G01F23/14; G01F23/18; (IPC1-7): G01F23/18
Domestic Patent References:
| JP248824U | ||||
| JP248823U |
Attorney, Agent or Firm:
Shuji Sanada