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US 2022/0016447 A1Published application
Powered Air-Purifying Respirator
OwnerJennifer A. Delaneyinventor
Life of this patent
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Abstract
A powered air-purifying respirator has a blower unit with an inlet and an outlet. The blower unit draws air through the inlet and out of the outlet. A filter assembly is removably connected on the outlet end of the blower unit. The filter assembly has a first end and a second end. The first end is removably connected to the outlet of the blower unit, and the second end of the filter assembly is adapted and configured to be coupled to a breathing hose.
Claims20
A powered air-purifying respirator comprising:
- a blower unit comprising a fan with an inlet and an outlet, the blower unit being adapted and configured to draw air through the inlet with the fan and direct pressurized air from the fan out the outlet;
- and
- a filter assembly comprising a first end and a second end, the first end of the filter assembly being removably connected to the outlet of the blower unit, the second end of the filter assembly being adapted and configured to be removably connected to a breathing hose.
A powered air-purifying respirator comprising:
- a blower unit comprising a fan with an inlet and an outlet, the blower unit being adapted and configured to draw air through the inlet with the fan and direct pressurized air from the fan out the outlet;
- and
- a filter assembly comprising a first end and a second end, the first end of the filter assembly being removably connected to the outlet of the blower unit, the second end of the filter assembly being adapted and configured to be removably connected to a breathing hose;
- and
- a breathing hose comprising a first end and a second end, the first end of the breathing hose being adapted and configured to be removably connected to the second end of the filter assembly.
2 more elements
A powered air-purifying respirator comprising:
- a blower unit comprising a fan with an inlet and an outlet, the blower unit being adapted and configured to draw air through the inlet with the fan and direct pressurized air from the fan out the outlet;
- and
- a breathing hose having a length with a first end on one end of the length and a second end on an opposite end of the length, the breathing hose having a filter assembly intermediate of the first and second ends, the first end of the breathing hose being removably connected to the outlet of the blower unit.
Dependencies are inferred from the claim text.