Fireplace for mobile home

Claim 1

A fireplace construction including a hollow base, a firebox including interconnected opposite side, rear and bottom wall means mounted on and overlying said base and including an open front side, closed, hollow and vertically extending heating air plenum means disposed outwardly of said firebox including interconnected opposite side, rear and top wall portions and a front wall portion extending between and interconnecting the forward marginal edge portions of said side and top wall portions, said heating air plenum means enclosing said firebox therewithin, said front wall portion being provided with an opening through which the front side of said firebox opens, said base including upstanding peripheral walls, one of said upstanding walls having heated air outlet openings formed therein, the lower portion of said heating air plenum means opening into said base, closed, hollow combustion air plenum means within the confines of said heating air plenum means exteriorly of said firebox and extending peripherally about said open front side of said firebox and opening into the latter through openings spaced along the forward marginal edges of at least two of the walls of said firebox, said combustion air plenum means including air inlet means, and room air plenum means disposed above said heating air plenum means and including air inlet means therefor, air outlet means opening into an upper portion of said heating air plenum means and electric motor driver air pump means for pumping ambient room air through said room air plenum means into said heating air plenum means, said combustion air plenum means including a portion isolated from the remainder of said combustion air plenum means including outlet means opening into said fireplace and restricted inlet means opening into said heating air plenum means downstream from said air pump means.