Forced circulation air heating unit

Claim 1

A blower arrangement, comprising in combination, a housing including substantially parallel upper and lower main walls and a substantially semicylindrical wall connected thereto defining a substantially semicylindrical section closing the rear of said housing, said main walls defining a channel for the entry and exit of fluid, said channel having near the housing front at least one opening for fluid intake and discharge, a rotatable crossflow blower disposed eccentrically in said substantially semicylindrical section, being closer to the lower wall than to the upper wall, the axis of rotation of said blower being disposed below the center plane between said upper and lower walls, a partition being flat throughout and disposed in said channel below a plane tangent to the blower circumference and above a plane passing through said axis of rotation, and having its end portion nearest the blower spaced from the blower circumference for a distance of about one-twentieth of the blower diameter and partitioning said channel into entry and exit portions, said upper and lower main walls extending frontwardly of the blower thereby enveloping the blower.