Boiler

Details Boiler Boiler

1982-04-21

1983-11-15

Yuen, Henry C.

Heating systems

Combined with water heater

122 16, 122 19, F24D 308, F22B 500

Patent

active

044151195

ABSTRACT:
A boiler for heating a heat-transfer medium, such as water in a domestic heating system with water-carried heat. The boiler comprises a tank (2) for the radiator water; a combustion chamber (3); combustion-gas pipes (4) which extend down through the tank and which discharge at the bottom thereof in a collecting chamber (5) for combustion gases. At the upper part of the tank (2) there is arranged an outlet (7) to the radiators, while a tank-inlet (8) from the radiators is arranged at the lower part of the tank. Also arranged in the tank (2) is a reservoir (17,20) for heating tap water, whereat the reservoir-inlet (10) for tap water is connected to a fresh cold-water pipe and is located at a level which lies beneath that of the tank inlet (8) from the radiators.
The tap water reservoir has a lower part (20) which is located beneath the combustion chamber in the tank, this part of the reservoir having a branch point (11) from which a first branch pipe (12) passes outside the tank to a mixer valve (13) and is arranged to supply pre-heated tap water thereto, and from which a second branch pipe (14) passes to the mixer valve (13) via an upper part (17) of the tap water reservoir lying above the combustion chamber (3), and is arranged to supply to the mixer valve tap water having a higher temperature than that of the tap water supplied by said first branch pipe (12).

REFERENCES:
patent: 1070175 (1913-08-01), Ponninghams
patent: 1958736 (1934-05-01), Barrow
patent: 2683442 (1954-07-01), Karlen
patent: 2704188 (1955-03-01), Bergmann
patent: 2937625 (1960-05-01), Meyers
patent: 4175698 (1979-11-01), Brosenius
patent: 4222350 (1980-09-01), Pompei et al.

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