Central heating furnace

Details Central heating furnace Central heating furnace

1978-12-05

1980-12-09

Yuen, Henry C.

Liquid heaters and vaporizers

Water tube

Wall structure

122236, F22B 2100

Patent

active

042378249

ABSTRACT:
A central heating furnace has an outer casing, a tube system containing the heat carrying medium and a burner, e.g. an oil-burner, to heat this medium. The tube system is placed along the major part of the inner surfaces of the casing. The burner is so placed, in connection with the furnace, that in operation its flame will be directed vertically downwards and is thereby surrounded by a tube spiral communicating with the tube system containing the heat carrying medium.

REFERENCES:
patent: 1746711 (1930-02-01), Murray
patent: 2170349 (1939-08-01), Bailey
patent: 3107656 (1963-10-01), McNeal
patent: 3703161 (1972-11-01), O'Connor
patent: 3810447 (1974-05-01), Grainger
patent: 4123995 (1978-11-01), Ek

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