Apparatus and method for measuring flow-permeable surface area of porous powders using volume flow rate

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12146774
APP PUB NO 20220074766A1
SERIAL NO

17017271

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Abstract

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A system for determining particle size of a quantity of a sample material contained in a sample material holder is disclosed, where the sample material is made up a plurality of the particles. The system may incorporate a pressure regulating subsystem for receiving a first pressurized airflow signal and regulating the first pressurized airflow signal to a second pressurized airflow signal having a pressure lower than the first pressurized airflow signal, the second pressurized airflow signal configured to be input to a first end of the sample material holder. A mass airflow transducer may be incorporated for determining a flow rate representing an air flow value entering the sample material holder. A control module uses the air flow value in combination with the pressure differential value and mathematically determining a dimension of the particles making up the sample material.

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Patent Owner(s)

Patent OwnerAddress
LAWRENCE LIVERMORE NATIONAL SECURITY LLC2300 FIRST STREET SUITE 204 LIVERMORE CA 94550

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gee, Richard H Livermore, US 1 0
Maiti, Amitesh San Ramon, US 4 25
Reinstein, Henry E Livermore, US 2 10
Wilson, Alexander David Danville, US 1 0
Zischka, Peter J Livermore, US 1 0

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