Title:
CONCENTRATION DETECTING DEVICE
Document Type and Number:
Japanese Patent JPH01156660
Kind Code:
A
Abstract:
PURPOSE:To detect the concentration of all the height directions in a water supply duct by providing a movable pipe so as to be freely rotatable in a joint part of the water supply duct and placing a concentration detector in this movable pipe. CONSTITUTION:To a joint part which has cut a water supply duct 2 or a joint part of two pieces of pipes, a movable pipe 1 is attached water tightly through an O-ring 3. Subsequently, a containing part 5 contained a concentration detector 4 is provided on the movable pipe 1. Also, to the outside peripheral surface of the movable pipe 1, a movable body 6 having a gear 7 in a semi-peripheral shape is attached, and engaged to a gear 9 attached to a shaft of a motor 8. At the time of detecting the concentration, the motor 8 is driven by a control signal from a motor control part 10, and by rotating the movable pipe, the concentration detector 4 is moved. In such a way, the concentration of all the height directions in the water supply duct can be detected.
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Inventors:
URUSHIBARA SHOTARO
KUMADA AKIRA
KAMATA SEIICHI
KUMADA AKIRA
KAMATA SEIICHI
Application Number:
JP31710687A
Publication Date:
June 20, 1989
Filing Date:
December 15, 1987
Export Citation:
Assignee:
MEIDENSHA ELECTRIC MFG CO LTD
International Classes:
C02F3/12; G01N21/49; G01N29/02; G01N29/26; (IPC1-7): C02F3/12; G01N21/49; G01N29/02
Domestic Patent References:
| JPS5226288A | 1977-02-26 | |||
| JPS61197539U | 1986-12-10 |
Attorney, Agent or Firm:
Fujiya Shiga