Measuring and testing – Volume or rate of flow – Thermal type
Patent
1997-11-05
1999-01-19
Patel, Harshad
Measuring and testing
Volume or rate of flow
Thermal type
73 135, G01F 2500, G01F 168
Patent
active
058615555
ABSTRACT:
Methods for measuring the flow differential through a dialysis machine are disclosed in which the dialysis machine includes a heat exchanger having a primary side and a secondary side for exchanging heat therebetween. The method includes measuring the temperature differences across the primary and secondary sides of the heat exchanger and calculating the flow differential based upon these measured temperature differences. Apparatus for measuring such a flow differential is also disclosed, as are methods for calibrating that apparatus.
REFERENCES:
patent: 4530759 (1985-07-01), Schal
patent: 4538925 (1985-09-01), Zgonik
Hobro Sture
Linderup Erik
Mattisson Leif
Gambro AB
Patel Harshad
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