Condensate overflow control for furnace

Details Condensate overflow control for furnace Condensate overflow control for furnace

1986-02-21

1987-07-28

Jones, Larry

Stoves and furnaces

Hot-air furnaces

Compressed air

126 99R, 126116A, 237 55, 137132, 137192, 4205, F24H 302, F04B 1000

Patent

active

046825797

ABSTRACT:
A safety device for monitoring the condition of the condensate outlet conduit in a high efficiency furnace is provided which comprises a float member positioned in a condensate trap arranged to float on the condensate and to rise in response to a rising level of condensate in the trap to block the gas vent inlet. A pressure sensing device is utilized to sense the back pressure in the vent and when the float blocks the vent inlet, the back pressure increased and the sensing device will then operate to terminate operation of the furnace.

REFERENCES:
patent: 2367038 (1945-01-01), Martin
patent: 2913044 (1959-11-01), Mobley
patent: 3230966 (1966-01-01), Richards
patent: 4295519 (1981-10-01), Bellatt
patent: 4479482 (1984-10-01), Cherington
patent: 4542734 (1985-09-01), Trent et al.

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