Fluid handling – With heating or cooling of the system – With electric heating element
Patent
1998-06-05
2000-05-23
Michalsky, Gerald A.
Fluid handling
With heating or cooling of the system
With electric heating element
1374875, F16K 4900
Patent
active
060654899
ABSTRACT:
An ozone flow rate control device for controlling a flow rate of ozone gas supply, according to the present invention, comprises an inlet pipe to which the ozone gas is supplied, a bypass pipe and a sensor pipe branched from the inlet pipe, a control signal generator circuit for measuring a variation of temperature of the sensor pipe and generating a control signal corresponding to a flow rate of the ozone gas, an outlet pipe connected to the bypass pipe and the sensor pipe, a valve provided in the outlet pipe and having an opening controlled correspondingly to the control signal and heating means for heating the ozone gas supplied to the sensor pipe to a predetermined temperature.
REFERENCES:
"Excalibur Gas Processing System Operation and Maintenance" prepared by the Technical Documentation Department of FSI International, Jan. 1989, pp. x, 1-3 to 1-5, and 3-9.
Michalsky Gerald A.
NEC Corporation
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