Microproportioning system

Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition

Reexamination Certificate

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Details

C422S105000, C422S105000, C422S108000, C422S106000, C073S863320, C073S864000, C073S864020, C073S864110, C073S864340

Reexamination Certificate

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07485263

ABSTRACT:
A microproportioning system includes a reservoir, a micro-diaphragm pump the entrance of which is connected to the reservoir, an open-jet proportioner the entrance of which is connected to the exit of the micro-diaphragm pump, a proportioning port connected to the exit of the open-jet proportioner, and a proportioning control which is in an operative communication with the micro-diaphragm pump and the open-jet proportioner

REFERENCES:
patent: 5085562 (1992-02-01), van Lintel
patent: 5096388 (1992-03-01), Weinberg
patent: 5190522 (1993-03-01), Wojcicki et al.
patent: 5205819 (1993-04-01), Ross et al.
patent: 5224843 (1993-07-01), van Lintel
patent: 5271724 (1993-12-01), van Lintel
patent: 5277556 (1994-01-01), van Lintel
patent: 5336062 (1994-08-01), Richter
patent: 5529465 (1996-06-01), Zengerle et al.
patent: 5593290 (1997-01-01), Greisch et al.
patent: 5759014 (1998-06-01), Van Lintel
patent: 6109889 (2000-08-01), Zengerle et al.

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