Patent ID: 7338400
Filing Date: 2008-03-04
Classification: F16H

Abstract:
1. A belt tensioning system for an air handling unit comprising: a blower having a housing adjustably securable to a structure inside the air handling unit, the housing rotatably carrying a first shaft about a first axis, at least one of the housing and the motor comprises a platform interposed between the at least one of the housing and the motor and the structure, the platform being adjustably securable to the structure, the platform having a pair of threaded apertures, each of the pair of threaded members is received by one of the pair of threaded apertures, the platform comprises opposed standoff members, the standoff members extending to opposed flange members, the flange members configured to be adjustably securable to the structure, wherein the platform comprises a pair of blocks secured adjacent opposite ends of the flap member facing the adjuster; a first sheave and a bladed arrangement secured to the first shaft; a second sheave secured to a second shaft rotatably carried by a motor about a second axis, the motor adjustably securable to the structure; a belt engaging the periphery of the first sheave and the second sheave; wherein the belt urging the first sheave and the bladed arrangement to rotate about the first shaft in response to the motor urging the second sheave to rotate about the second shaft; an adjuster secured to the structure adjacent to at least the blower and the motor, and the adjuster having adjustment means secured to one of the motor when the adjuster is adjacent the motor, the adjustment means secured to the housing when the adjuster is adjacent the blower; and wherein actuating the adjustment means to urge at least a portion of one of the housing and the motor in a direction to vary the distance between the first sheave and the second sheave to adjust the tension in the belt.