Apparatus and process for automatically determining fat contents

Details Apparatus and process for automatically determining fat contents Apparatus and process for automatically determining fat contents

1984-05-02

1986-01-28

Swisher, S. Clement

Measuring and testing

Specific gravity or density of liquid or solid

73 76, 73432R, 364496, 374 14, G01N 904, G01N 2556

Patent

active

045663122

ABSTRACT:
Apparatuses and processes are described for the automatic determinations of fat contents of foods, such as dairy products, e.g., milk, wherein automatic density and solids content determining apparatuses are employed, together with a computer, to determine the fat contents of food samples being tested. The density determining apparatus is preferably one which is electromagnetically excited to vibrate at its natural resonant frequency, so that from the change in such frequency, compared to a control, the mass of the sample may be determined. The means for measuring the solids content is preferably an automatic volatility computer in which electromagnetic radiation (microwave energy) is employed to drive off the volatile material (usually mostly water) in the sample, which is automatically weighed before and after such volatilization. Preferably, a microcomputer in the automatic volatility computer is employed to compute fat content from electronic feeds to it from the density and the solids content determining apparatuses.

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patent: 4266425 (1981-05-01), Allport
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patent: 4359638 (1982-11-01), Allport

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