Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1998-11-13
1999-11-02
Le, Long V.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
422 63, 422103, 436 52, 436174, 436180, 7386381, 7386434, 7386452, 7386474, G01N 110
Patent
active
059764686
ABSTRACT:
Apparatus and methods for supplying a portion of a fluid stream and, alternately, a fluid of known composition and concentration to an analyzer are provided. The fluid stream is directed through a series of connected chambers formed in an integral housing. A sampling needle has an inlet in one of the chambers and an outlet in fluid communication with the analyzer. When desired, a tube or vial containing a known fluid may be inserted into a chamber containing the sampling needle, so that the known fluid will be supplied to the analyzer. A second needle provides ventilation to the vial to prevent the formation of a vacuum as the known fluid is drained from the vial.
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Bateman Blaine R.
Godec Richard D.
Silvester Frank J.
Le Long V.
Sievers Instruments, Inc.
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