Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition – Control element responds proportionally to a variable signal...
Patent
1996-03-01
1998-03-24
Wyse, Thomas G.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
Control element responds proportionally to a variable signal...
422298, A61L 206
Patent
active
057309442
ABSTRACT:
An unplumbed sterilizer (10) with a self-contained heater (34, 35) has a fill system (32) that includes a pump (82) to pump liquid from a sterilizer reservoir (26) to the sterilizing chamber (22). By utilizing the pump (82) in the fill system (32), a precise volume of water is filled into the sterilizing chamber (22) with each sterilizing cycle, and further, the pump pressure flushes the fill system (32) of particles that may otherwise partially or fully clog the fill system (32). A sterilizing chamber drain cycle is executed immediately prior to the fill cycle by operating the pump (82) to pump liquid from the sterilizing chamber (22) to the reservoir (26). The operation of the drain cycle permits the fill cycle to be executed without any residual liquid in the sterilizing chamber (22); and further, the subsequent fill cycle will flush any particles from the fill system (32) introduced by the drain cycle.
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Barnstead Thermolyne Corporation
Wyse Thomas G.
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