Patent ID: 6039109
Filing Date: 2000-03-21
Classification: F24F

Abstract:
A ventilator comprising:a ventilator housing defining an exhaust air flow section and a fresh air flow section, said exhaust air flow section having an exhaust air inlet and an exhaust air outlet, and said fresh air flow section having a fresh air inlet and a fresh air outlet;a rotary wheel defining a central rotational axis extending from a first side of said rotary wheel to a second side of said rotary wheel, said rotary wheel including a substantially circular rim having a first rim edge portion defining said first side of said rotary wheel, a second rim edge portion defining said second side of said rotary wheel, and a circumferential rim body extending between said first and second rim edge portions;an exchange media supported by said rotary wheel, said exchange media intersecting said exhaust air flow section and said fresh air flow section;a rotary wheel mounting assembly coupled to said ventilator housing and comprising a first set of guide rollers in contact with said first rim edge portion and a second set of guide rollers in contact with said second rim edge portion; anda rotary wheel driving assembly comprising a drive roller in contact with one of said first and second rim edge portions.