Heating system

Details Heating system Heating system

1977-04-13

1979-04-03

Yuen, Henry C.

Heating systems

Automatic control

Water

237 56, 126101, 432175, 122367R, F24D 300

Patent

active

041473019

ABSTRACT:
A heating system comprises serially connected heating and holding coils connected in a closed heating liquid circulating circuit with a collector coil at the space to be heated. The heating and holding coils are disposed in a compartment wherein both are subject to direct heating by one or more gas burners, and flue gas is drawn through the compartment in heat exchange relation with the holding coil before being exhausted.

REFERENCES:
patent: 277534 (1883-05-01), Bailey
patent: 1826950 (1931-10-01), Paige
patent: 1937909 (1933-12-01), Paige
patent: 2311350 (1943-02-01), Richardson
patent: 2573364 (1951-10-01), Scharff
patent: 3147960 (1964-09-01), Ruff
patent: 3254839 (1966-06-01), McClanahan et al.
patent: 3563212 (1971-02-01), Hoagland
patent: 3890936 (1975-06-01), McQuerney et al.
patent: 3916991 (1975-11-01), Trump
patent: 4055152 (1977-10-01), Vidalenq

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