Measurement of delivered thermal units

Measuring and testing – Volume or rate of flow – System

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G01K 1710

Patent

active

043041272

ABSTRACT:
Apparatus and a method are described for measuring heating and/or cooling of air or other fluid that occurs between an inlet and an outlet, one being a low-temperature passage and the other being a high-temperature passage. Heat is supplied to a temperature sensor in the low-temperature passages sufficient to raise that sensor to the temperature sensed in the high-temperature passage where the sensor of the low-temperature passage is cooled both by the fluid temperature and its mass-flow rate, and the supplied heat is measured.

REFERENCES:
patent: 2329813 (1943-09-01), Amsler
patent: 2931222 (1960-04-01), Noldge
patent: 2972885 (1961-02-01), Laub
patent: 3085431 (1963-04-01), Yerman et al.
patent: 3648518 (1972-03-01), Hans
patent: 3869914 (1975-03-01), Koehler et al.
patent: 4036051 (1977-07-01), Fell et al.
patent: 4043195 (1977-08-01), Hunting

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