JPS5748010A - Fixed-quantity diversion device - Google Patents

Abstract

PURPOSE: To keep overflow depth fixed irrespective of a water level by putting an intake tube connected with a float perpendicularly on the outside of an inner tube connected with the upward-opened part of an discharge tube in the fixed-quantity diversion device which takes in water by making use of the difference in water level.

CONSTITUTION: The discharge tube 4 whose opened part is arranged upward is provided in a water tank 23 and the inner tube 2 is connected to the opened part of the discharge tube 4 watertightly through the intermediary of a skirt 5 formed of a flexible material or the like, while the tube 2 is suspended from a ceiling 24 through a suspension hole 7 of an opened slant part 12. Moreover, the intake tube 1 whose upper part is opened is put perpendicularly, with a clearance for loose fitting, on the outside of the inner tube 2, whereby the inner wall surface A-A' alone is made to contact with the water inside the tube. And, the intake tube 1 is moved up and down in accordance with the change of a water level H₁ in the tank 23, while the float 13 adjusting overflow depth h with an adjusting rod 16 is connected with the tube 1 through the intermediary of a hanger frame 15.

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