G - Physics – 01 – B
Patent
G - Physics
01
B
249/2, 265/4
G01B 11/00 (2006.01)
Patent
CA 1189100
ABSTRACT: In the measurement of an integrated weight of a particulate material being continuously fed to a powder treating system or the like by providing a powder delivery port in a lower portion of a pressurized powder feed con- tainer for supplying the particulate material to a blowing port of the treating system, connecting a pressurized powder replenishing container to an upper portion of the powder feed container for replenishing same with the particulate material under pressure, continuously feeding the particulate material along with part of a pressurized carrier gas introduced into the delivery port of the pressurized powder feed container, communicating the powder replenishing and feed containers with each other in a suitable timing for replenishing the particulate material, and sequentially measuring the weights of powder contents in the containers to measure the integrated weight of the particulate material fed through the delivery port during a time period of operation, a method comprising the steps of: adding up batchwise the weight of each powder replenishment from the replenishing container to the feed container to obtain the total weight of powder replenishment; subtracting the sum of the weights of momentary powder contents of the containers from the total weight of powder replenishment when the measurement is made in con- currence with a replenishing operation; and substracting the weight of momentary powder content of the pressurized powder feed container from the total weight of powder replenishment when the measurement is made at a time point falling outside the time period of a replenishing operation.
410085
Mizokawa Takumi
Suzuki Fumitaka
Kabushiki Kaisha Kobe Seiko Sho
Riches Mckenzie & Herbert Llp
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