Bergstrom Manufacturing Co.

Phillip Evans

William G Guo

Dave Gavin

Tim Ruger

A dual channel motor vehicle ventilation apparatus provides independent air temperature control. The apparatus comprises a housing having at least one air inlet and a first and second air outlet. First and second fluid communication channels are provided within the housing and defined air passages extending between the at least one air inlet and the first and second air outlets. First and second blowers are associated with the first and second air outlets, respectively, and serve to suction air from the air inlet, through the first and second fluid communication channels, and expel the air through the respective air outlet. A heating coil is included within the housing and disposed to project at least partially into the first and second fluid communication channels. First and second flow valves are disposed within the first and second fluid communication channels and are independently operable to direct a portion of the air flowing through each fluid communication channel across the heating coil. Varying the position of the first and second flow valves controllably varies the temperature of the air expelled from the corresponding air outlet.

Growing community of inventors

Loves Park, IL, United States of America

Phillip Evans