Hot water circulating system

Details Hot water circulating system Hot water circulating system

1990-04-26

1991-07-23

Bennett, Henry A.

Heating systems

Water

Circulation

F24D 300

Patent

active

050336738

ABSTRACT:
A hot water circulating system capable of constantly ensuring smooth and effective supply of water from an open tank to a water boiler without causing an air lock phenomenon irrespective of a variation in operating conditions of the system. In the hot water circulating system, a connection pipe is arranged between the open tank and a second communication pipe for interconnecting the water boiler and a radiator so as to directly feed water of a low temperature from the open tank to the second communication pipe. Such construction, even when the supply of water from the open tank to the water boiler is not carried out in synchronism with emptying of water out of the water boiler being heated, to thereby cause a large amount of steam to be produced in the water boiler, permits water introduced from the open tank through the so-arranged connection pipe into the second communication pipe to effectively liquefy the steam introduced into the second communication pipe, resulting in eliminating a trouble that the steam stops the circulation of hot water.

REFERENCES:
patent: 492166 (1990-05-01), Matsumoto et al.

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