Gas-fired air heater assembly

Details Gas-fired air heater assembly Gas-fired air heater assembly

1993-09-29

1995-03-21

Dority, Carroll B.

Heating

Heat generator heats gas or liquid material in a flow structure

Material heated by mixing with combustion products of generator

126110B, 126110C, 126110D, F24H 302

Patent

active

053990862

ABSTRACT:
In a direct gas-fire heater assembly having a generally box-like housing with a grate-like floor with a conventional gas regulator, a gas port mounted within a box-like shroud, the shroud having one side with a predetermined number, shape and size of primary combustion air inflow orifices to direct primary combustion air toward the gas port. A burner is mounted on the shroud over the gas port. The area above the burner and adjacent to it contains an ignition device and flame sense rod as well as a pair of opposed and particularly oriented flame shields on each side of the flame orifice. One each of a pair of opposed baffle-type deflectors is arranged on each side and just above the flame shield so as to form a combustion chamber as well as a path for secondary air flow to a downstream chamber. An additional flame deflector is formed on one baffle-type deflector to deflect the flame toward the blower area.

REFERENCES:
patent: 2518021 (1950-08-01), Keay
patent: 3055145 (1962-09-01), Lindsay
patent: 4651711 (1987-03-01), Velie
patent: 4674475 (1987-06-01), Powis
patent: 4993944 (1991-02-01), Potter et al.

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