Measuring and testing – Volume or rate of flow – Thermal type
Patent
1991-05-29
1995-05-23
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Thermal type
7320415, G01F 168
Patent
active
054171105
ABSTRACT:
A unit and system for sensing fluid velocity which is particularly well suited for use in the control system of an HVAC unit. A salient feature of the system is the combination of heat generating structure, a plurality of thermally conductive elements, and thermal insulation between the heat generating structure and a fluid flow path. Each of the conductive elements is in thermal communication with the heat generating structure at one end and the fluid flow path at a second end. As a result, heat transfer to the fluid is channelled through the conductive elements. This achieves a distributed heat flow path which results in an efficient and accurate heat flow measurement.
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Bryan K. Wolske. Mass Flow Meters Come of Age, Control 40 (Jan. 1990).
Biegel R.
Goldstein Herbert
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