Cold water tank and water treatment apparatus having the same

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Vent control

Reexamination Certificate

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Details

C210S121000, C210S181000, C210S257100, C210S416300, C210S472000, C210S539000, C062S394000, C137S202000, C137S388000, C137S429000

Reexamination Certificate

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08057665

ABSTRACT:
Disclosed are a cold water tank and a water treatment apparatus. The cold water tank includes a tank body, a water inlet pipe provided at the tank body to convey water into the tank body, a water outlet pipe provided at the tank body to convey the water out of the tank body, and including an air vent hole, and a floating member movably provided at the water outlet pipe to block the air vent hole when the water filling the tank body reaches a height of the air vent hole. The water in the upper portion of the tank body is prevented from passing through the air vent hole and draining through the water outlet pipe, thereby preventing the cooler water in the lower portion from mixing with the hotter water in the upper portion. Only the cooler water in the lower portion can be supplied to a user.

REFERENCES:
patent: 1946691 (1934-02-01), Harr
patent: 2063002 (1936-12-01), Smith
patent: 2418994 (1947-04-01), Taylor
patent: 5855796 (1999-01-01), Joung

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