Multiple-effect respirator

Details Multiple-effect respirator Multiple-effect respirator

1983-07-25

1985-10-29

Recla, Henry J.

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

12820125, 12820512, 12820525, A62B 700

Patent

active

045495424

ABSTRACT:
A respirator includes a driving motor, a supplying air fan, an exhausting air fan, two ventilating air fans and a mask formed within a facepiece wherein the supplying air fan is driven by the motor to direct fresh air into the mask and the exhausting fan is also driven by the motor to discharge the waste air in mask for providing comfortable breathing for the wearer and the two ventilating fans are driven by motor to suck in fresh air and directs it into the helmet for comforting wearer's head.

REFERENCES:
patent: 3657740 (1972-04-01), Cialone
patent: 3736927 (1973-06-01), Misaqi
patent: 3822698 (1974-07-01), Guy
patent: 4233972 (1980-11-01), Hauff et al.
patent: 4280491 (1981-07-01), Berg et al.

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