Method and device for determining a characteristic value...

Details Method and device for determining a characteristic value... Method and device for determining a characteristic value...

2003-10-17

2008-05-27

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

C073S025030, C702S100000, C374S043000

Reexamination Certificate

active

07377152

ABSTRACT:
The invention relates to a device and methods for characterizating flowing substances, liquid or gas. The device includes: a transport duct with a heating or a cooling element; a temperature difference sensor having a temperature measurement cell downstream of the heating or cooling element and means to determine a temperature difference in the flowing substance upstream and downstream of the heating or cooling element; a flow control means having flow measurement means for measuring a mass flow characteristic and a flow correction means for correcting for measured mass flow variations; and an evaluation means for evaluating a characterizing feature of the flowing substance comprising a function relating temperature differences measured on one or more calibration substances to one or more characterizing features of the flowing substance. Various embodiments relate to the related use and methods of the device for identification and control of the flowing substance.

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