Patent ID: 8469028

Claim:
A respirator assembly comprising: a respirator having a first housing having an air outtake, a first pumping unit and an inflow unit being located in the first housing, the inflow unit having a natural-air inlet and an air-purifier inlet, the first pumping unit being provided for sucking the air through the inflow unit and exhausting the air through the air outtake; an air purifier having a second housing having an air intake, an outflow unit and a second pumping unit being located in the second housing, the second pumping unit being provided for sucking the air through the air intake and exhausting the air through the outflow unit, the outflow unit having a natural-air outlet and a respirator outlet; and a connection tube having two ends, one of which is connected with the respirator outlet and the other is connected with the air-purifier inlet.