Devices for controlling gas flows

Details Devices for controlling gas flows Devices for controlling gas flows

1980-05-01

1982-06-22

Wise, Edward J.

Boots, shoes, and leggings

364510, 73 23, 128 1A, 12820422, A62B 714

Patent

active

043365906

ABSTRACT:
A regulating apparatus for supplying a receiving unit with gas from a pressurized source comprises a valve piloted by a two-position solenoid valve controlled by a computer which receives data from pressure sensors. When used as a demand breathing regulator, the apparatus has a main valve for connecting a source of pressurized breathing gas and a breathing mask and a pilot diaphragm subjected to the pressure in the mask. A sensor senses the movements of a diaphragm or the pressure in the mask. A solenoid valve controls the pressure in a pilot chamber of the main valve.

REFERENCES:
patent: 3878376 (1975-04-01), Sholes, Jr. et al.
patent: 3896792 (1975-07-01), Vali et al.
patent: 3972327 (1976-08-01), Ernst et al.
patent: 3977394 (1976-08-01), Jones et al.
patent: 3991304 (1976-11-01), Hillsman
patent: 4109509 (1978-08-01), Cramer et al.
patent: 4121578 (1978-10-01), Torzala
patent: 4215409 (1980-07-01), Strowe
patent: 4230097 (1980-10-01), Beaussant et al.
patent: 4233972 (1980-11-01), Hauff et al.
patent: 4236546 (1980-12-01), Manley et al.

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