Device for operating and testing gas masks and breathing equipme

Details Device for operating and testing gas masks and breathing equipme Device for operating and testing gas masks and breathing equipme

1992-08-26

1994-03-01

Burr, Edgar S.

Surgery

Respiratory method or device

12820222, 73 40, G01N 1900

Patent

active

052898199

ABSTRACT:
A testing device for gas masks and breathing equipment has a head part, to which the gas mask and breathing equipment can be connected and which is connected to a testing unit simulating the respiratory activity. The testing device provides more accurate testing especially with respect to the pressure and flow conditions. Using a valve (11, 13), which interrupts the flow connection and is provided at the testing connection in close proximity, in terms of flow, of the respiration connection.

REFERENCES:
patent: 4146025 (1979-03-01), Warncke
patent: 4253328 (1981-03-01), Pasternack
patent: 4344144 (1982-08-01), Damico
patent: 4765325 (1988-08-01), Crutchfield
patent: 4796467 (1989-01-01), Burt
patent: 4846166 (1989-07-01), Willeke
patent: 4914957 (1990-04-01), Dougherty
patent: 5076965 (1991-12-01), Guelta
patent: 5080829 (1992-01-01), Carlon
patent: 5097697 (1992-03-01), Carnal
patent: 5195896 (1993-03-01), Sweeney

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