Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Step of warning or decreasing hazard of process
Patent
1980-09-05
1981-11-17
Richman, Barry
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Step of warning or decreasing hazard of process
422 34, 422117, 422119, 422292, 422295, A61L 220
Patent
active
043011136
ABSTRACT:
In the treatment of articles with a sterilant gas such as an alkylene oxide, and the circulation of the gas throughout a treatment chamber containing the articles to be treated, a gas circulating system completely devoid of electrical contacts, switches, electrical motors and other potentially dangerous electrical components which could cause explosive ignition of the sterilant gas. The circulation system includes a fluid-driven turbine-like impeller completely isolated from the sterilant gas, and drivingly coupled to a fan blade which serves to force the gas through conduits and to circulate and recycle the sterilant gas throughout the treatment chamber. In a second embodiment of the invention a magnetically coupled drive is used to actuate the sterilant-circulating fan.
REFERENCES:
patent: 3238096 (1966-03-01), Kaye
patent: 3549312 (1970-12-01), Ernst
patent: 3600127 (1971-08-01), Kereluk et al.
patent: 3897210 (1975-07-01), Gruber et al.
patent: 3989461 (1976-11-01), Skocypec et al.
patent: 4130393 (1978-12-01), Fox
C. R. Phillips; "Gaseous Sterilization", presented 2/25/58 by B&D Co. & Seton Hall College of Med.
Alguire Donald E.
Bennett Robert
Kotulla Norbert
Yeung Anthony C.
Griffith Laboratories U.S.A., Inc.
Richman Barry
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