The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 2012
Filed:
Dec. 30, 2009
Nobuyasu Makino, Numazu, JP;
Nobuyasu Makino, Numazu, JP;
Ricoh Company Limited, Tokyo, JP;
Abstract
The airflow pulverization and classification device includes a pulverizer and a classifier. The pulverizer includes a pulverization chamber including a collision member; a jet nozzle directing jet flow toward the pulverization chamber; a feeder feeding a particulate material; a supply nozzle having an acceleration tube connected with the jet nozzle and the pulverization chamber, and a supply tube connected with the feeder and the acceleration tube to supply the particulate material the acceleration tube so that the particulate material is collided with the collision member; and a pressure gauge measuring a static pressure in the feeder and/or the supply tube, and/or a static pressure at the junction of the acceleration tube and the supply tube to control the supply conditions of the particulate material supplied to the acceleration tube on the basis of the measured static pressure.