Chemistry: analytical and immunological testing – Condition responsive control
Patent
1997-03-31
1998-12-15
Warden, Jill
Chemistry: analytical and immunological testing
Condition responsive control
436147, 436149, G05B 101
Patent
active
058495932
ABSTRACT:
A method for metering a reagent into a flowing medium includes adjusting a quantity of a reagent to be metered per unit of time into a flowing medium as a function of a thickness of a reaction zone in a catalytically active material. An apparatus for metering a reagent into a flowing medium includes a control unit, a device associated with the control unit for detecting a thickness of a reaction zone, and a metering device associated with the control unit for introducing a reagent into a flowing medium upstream of a catalytic converter as seen in flow direction of the medium. The control unit adjusts a quantity of the reagent to be metered into the flowing medium per unit of time by the metering device, as a function of a thickness of the reaction zone.
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Carrillo Sharidan
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
Warden Jill
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