Fluid flow measurement and control

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专利权人:

Jesse E. Ambrosina

发明人:

Jesse E. Ambrosina,Benjamin G. Powers,Ali Shajii

申请号：

US14171433

公开号：

US09616172B2

申请日:

2014.02.03

申请国别(地区):

US

年份:

2017

代理人:

摘要：

In accordance with one embodiment, a controller in a fluid delivery system controls magnitudes of pressure in a first volume and a second volume. The first volume is of a known magnitude. The second volume is of an unknown magnitude and varies. The controller estimates a temperature of gas in the first volume and a temperature of gas in the second volume based on measurements of pressure in the first volume and measurements of pressure in the second volume. The controller then calculates a magnitude of the second volume based on measured pressures of the gases and estimated temperatures of gases in the first volume and the second volume.

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