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:
Oct. 28, 1986
Filed:
Oct. 09, 1984
Applicant:
Inventor:
Russell S Girgenti, So. Hamilton, MA (US);
Assignee:
Auburn International, Inc., Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
7386104 ; 7386108 ;
Abstract
A non-intrusive apparatus for detecting dry solids flow having a critical, flow cross section of less than 0.2 square inches defining a critical flow path including a friction sensitive electrode with a bore and an insulator for insulating the electrode from electrical interference, an exterior flow path communicating with the critical flow path and, electrode lead and a readout communicating with the friction sensitive electrode for monitoring charge transfer created by friction within the friction sensitive electrode, the electrode lead constructed for insulating the electrode from electrical interference.