Measuring and testing – Volume or rate of flow – Thermal type
Patent
1988-03-24
1989-08-15
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Thermal type
7320426, G01F 168
Patent
active
048563293
ABSTRACT:
A heat transfer measurement device, in particular a flow monitor for the electrical measurement of heat losses in a flowing medium, with a metallic, circular cylindrical measurement device housing having an outside thread, with a first temperature measurement element, a heating element and a second temperature measurement element. The flow monitor in accordance with the invention is on the one hand quick in a thermal sense and can be manufactured relatively simply on the other. This is because the first temperature measurement element, the heating element and the second temperature measurement element are disposed on one side of a carrier foil which is a good electrical insulator as well as a good conductor of heat and in that the carrier foil is brought into thermally conductive contact with the measuring device housing with its side facing away from the temperature measurement elements and the heating element, at least in those areas where the temperature measuring elements and the heating element are disposed.
REFERENCES:
patent: 3400582 (1968-09-01), Warner
patent: 3800592 (1974-04-01), Jones, Jr.
patent: 4480467 (1984-11-01), Harter et al.
patent: 4616505 (1986-10-01), Jouwsma
Buck Robert
Marhofer Gerd
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