Sealed enclosure sterilization

Details Sealed enclosure sterilization Sealed enclosure sterilization

2007-03-06

2007-03-06

Jastrzab, Krisanne (Department: 1744)

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Process control in response to analysis

C422S028000, C422S033000, C422S292000, C422S295000, C422S298000, C422S305000, C422S306000

Reexamination Certificate

active

10009102

ABSTRACT:
An apparatus for sterilizing a sealed enclosure (1) includes a fan (8) for circulating a gas through a preparation circuit (11) and through the enclosure. The preparation circuit includes an evaporation chamber (10) for dispensing a decontaminant gas and water vapor mixture into the circulating gas to flow therewith through the enclosure and to reach a concentration in the enclosure above the dew point for the ambient temperature in the enclosure and thereby to condense onto surfaces in the enclosure to sterilize such surfaces. A monitor (15) measures gas temperature and dew point/condensation are monitored (17, 18) in the enclosure. The resulting signals led to a control module (19) for controlling the rate of dispensing of the decontaminant gas and water vapor into the gas in the preparation circuit in response to the levels determined by said monitoring to provide a required level of condensation of the decontaminant gas and water vapor in the enclosure.

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