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:
May. 10, 1988
Filed:
Sep. 12, 1986
Applicant:
Inventor:
Hideo Nagasaka, Minamitakano-machi, Hitachi-city, Ibaraki-prefec., JP;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
406 14 ; 406 30 ; 406152 ;
Abstract
It is provided a powder flow-rate measuring apparatus wherein a conveying fluid is blown into the inlet of a detecting pipe line with a nozzle, a powder in fluidized state is introduced into said inlet, and the generated pressure difference due to acceleration of powder in the detecting pipe line is detected by means of a differential pressure gauge which communicates with an inlet side pressure detecting port arranged upstream the outlet of said nozzle and an outlet side pressure detecting port arranged at the outlet of detecting pipe line. The apparatus has characteristics stable for long period of time and is operable in a wide measuring range.