Patent ID: 6099277
Filing Date: 2000-08-08
Classification: F04C

Abstract:
A blower comprising a housing comprising a first wall portion, an inlet formed through the first wall portion for receiving a gas, a second wall portion, an outlet formed through the second wall portion for discharging the gas, a first series of recirculation openings formed through the second wall portion, and a second series of recirculation openings formed through the second wall portion; impeller means in the housing for receiving the gas from the inlet, pressurizing the gas, and passing the gas to the outlet for discharge; and a separator extending between the first and second series of openings for respectively directing a first portion of the gas exiting from the outlet to the first series of openings for recirculation back into the housing, and a second portion of the gas exiting from the outlet to the second series of openings for recirculation back into the housing.