Low pressure drop bacterial filter and method

Details Low pressure drop bacterial filter and method Low pressure drop bacterial filter and method

1988-05-18

1989-01-17

Fisher, Richard V.

Liquid purification or separation

Processes

Separating

210445, 210446, 55498, 55500, 55521, 12820616, B01D 3502

Patent

active

047986760

ABSTRACT:
Filter and method for filtering bacteria-laden saliva droplets and aerosols from human breath particularly suitable for use in pulmonary function testing where a low pressure drop is required. A relative large pore filter medium is oriented at a large angle relative to the overall flow through the filter such that both larger droplets and smaller aerosols impact and are retained on the filter medium.

REFERENCES:
patent: 2859747 (1958-11-01), Stampe
patent: 3494466 (1970-02-01), Rose et al.
patent: 3765536 (1973-10-01), Rosenberg
patent: 3765537 (1973-10-01), Rosenberg
patent: 3803817 (1974-06-01), Lewis
patent: 3815754 (1974-06-01), Rosenberg
patent: 3880627 (1975-04-01), Morton
patent: 3979295 (1976-09-01), Markley
patent: 4187182 (1980-02-01), Rosenberg
patent: 4360018 (1982-11-01), Choksi
patent: 4386948 (1983-06-01), Choksi et al.

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