Auxiliary supply system for a portable self-contained breathing

Details Auxiliary supply system for a portable self-contained breathing Auxiliary supply system for a portable self-contained breathing

1986-11-07

1989-06-27

Coven, Edward M.

Surgery

Respiratory method or device

Means for quickly connecting or disconnecting apparatus...

12820426, 12820524, 12820525, A62B 904

Patent

active

048419532

ABSTRACT:
An auxiliary supply system for a portable self-contained breathing apparatus in which an auxiliary source of air is provided to the facepiece which is totally independent of the normal air supply, in order to provide additional air to the user in case the original supply of air runs out or any component of the standard breathing apparatus malfunctions.

REFERENCES:
patent: 2839054 (1958-06-01), Kindred
patent: 3202150 (1965-08-01), Miller
patent: 3308815 (1967-03-01), Wilcox et al.
patent: 3456642 (1969-07-01), Cupp
patent: 4111342 (1978-09-01), Kirby
patent: 4377163 (1983-03-01), Feathers
patent: 4392490 (1983-07-01), Mattingly et al.
patent: 4559939 (1985-12-01), Levine et al.
patent: 4619255 (1986-10-01), Spinosa et al.

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