Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1997-04-18
1998-11-17
Drodge, Joseph W.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
134166C, 134169C, 137511, 210136, 422 28, 422117, 433 80, A61L 226, B08B 906, A61G 1300
Patent
active
058372040
ABSTRACT:
A system for disinfecting the water lines of a dental unit is provided with first and second unidirectional check valves. Water at a first pressure is normally supplied to the water lines of the dental unit through the first check valve. A reservoir of liquid disinfectant can be pressurized at a second pressure higher than the first pressure by the air compressor already equipping the dental unit to supply disinfectant to the water lines of the dental unit through the second check valve. Liquid disinfectant is prevented from reaching the water supply line by the first check valve. In the same manner, when the reservoir is not pressurized, the second check valve prevents water from the water supply line from reaching the disinfectant. The reservoir is formed with an upper neck and a bottom, and the disinfecting system is provided with a housing on which an upper stopper fitting into the neck and a lower reservoir bottom support are mounted, whereby for mounting the reservoir on the housing, one successively tilts the reservoir, places the neck on the stopper and slides the reservoir bottom on the support, which sliding movement is facilitated by a rounded edge of the reservoir bottom.
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Barbeau Jean
Charland Robert
Cote Ludger
Prevost Andre
Savage Gary
Drodge Joseph W.
Theratechnologies Inc.
Universite de Montreal
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