초록 ▼

A booster fan assembly includes a fan, an electric motor coupled to the fan, an electric cord coupled to the motor and adapted to be coupled to a source of electric power through a pair of thermostats and voltage reducing transformer, and a support coupled to the motor and adapted to be inserted in

A booster fan assembly includes a fan, an electric motor coupled to the fan, an electric cord coupled to the motor and adapted to be coupled to a source of electric power through a pair of thermostats and voltage reducing transformer, and a support coupled to the motor and adapted to be inserted in a heating/air conditioning duct from a distal end. The support has a flexible perimeter portion for contacting the interior surface of the duct and a central portion extending inward from the perimeter portion that is coupled to the motor. An outer surface of the support is selectively engageable with an interior surface of the duct at any selected location. The support is an incomplete ring that is collapsible from a first diameter to a second smaller diameter to permit insertion of the assembly into the duct. The support includes two inwardly directed handle portions normally spaced from each other, the handle portions being compressible toward each other to cause contraction of the perimeter portion. The support includes an outer surface formed of a conformable material for gripping the interior surface of the duct. The assembly is intended to be installed in a duct behind a register so that it is substantially invisible.

대표청구항 ▼

[ What is claimed is:] [1.]1. A booster fan assembly suitable for use in a forced air heating and air conditioning system, the system including a duct having distal end including a boot and a register situated on the boot at a distal end of the duct, the assembly comprising:a fan, an electric motor

[ What is claimed is:] [1.]1. A booster fan assembly suitable for use in a forced air heating and air conditioning system, the system including a duct having distal end including a boot and a register situated on the boot at a distal end of the duct, the assembly comprising:a fan, an electric motor coupled to the fan, an electric cord coupled to the motor and adapted to be coupled to a source of electric power, and a support coupled to the motor and adapted to be inserted in said duct through the boot from said distal end, the support having an outer surface selectively engageable with an interior surface of said duct near the boot at said distal end.