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US 2007/0163588 A1Published application
Respirators for Delivering Clean Air to an Individual User
OwnerJack Hebrank, Charles Hunter +9inventors
InventorsJack Hebrank, Charles Hunter, Edward LeMahieu, Chris Hartley, Ron Criss, Bernard Ballou, Jocelyn Hunter, Laurie McNeil, Charles Jones, Lyndell Duvall, Paul Wetzel
Life of this patent
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Abstract
Disclosed are personal respirators and clean air systems.
Claims21
A respirator apparatus, comprising:
- an air mover operable to generate an ample amount of an air stream, the air mover having an air inlet and an air outlet;
- a particle filter mounted in the air stream;
- and
- a supply means operably connected and in fluid communication with the air outlet of the air mover,
- wherein the respirator is configured to provide air to the supply such that users blood oxygen level remains relatively stable.
2 more elements
A system, comprising
- an air mover operable to generate an air stream, the air mover having an air inlet and an air outlet;
- a particle filter mounted in the air stream;
- a supply hose operably connected at one end to the housing;
- and
- an air reserve reservoir configured to provide a user of a system with additional air without increasing power to the air mover.
2 more elements
A respirator apparatus, comprising
- a housing;
- an air mover mounted in the housing, the air mover being operable to generate an air stream, the air mover having an air inlet and an air outlet;
- a particle filter mounted in the air stream, wherein the particle filter comprises a wet-laid glass media;
- and
- a supply hose operably connected at one end to the housing.
2 more elements
A respirator apparatus, comprising
- an impeller operable to generate an air stream at a speed of at least 5,000 rpm, and the impeller having an air inlet and an air outlet;
- a particle filter mounted in the air stream;
- and
- a supply hose operably connected at one end to the housing.
1 more element
Dependencies are inferred from the claim text.