Device for Measuring Flow Rates of Powdery and Granular Materials

Author:  H. Tomiyasu; T. Inagaki; H. Kajiura;K. Watanabe
Source:  US Patent 3,640,135
Doc ID:  1968046
Year of Publication:  1968
Abstract:  
A method of measuring the flow rates of powdery and granular materials which comprises allowing a powdery or granular material to drop naturally by gravity from a certain height onto a detecting plate and then measuring the horizontal component of the force given to said plate as an impact load, and instruments for practicing the method.