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:
Jul. 10, 2018
Filed:
May. 12, 2016
Illinois Tool Works Inc., Glenview, IL (US);
Scott A. Reid, Bradford, MA (US);
Thomas C. Prentice, Westford, MA (US);
Patsy A. Mattero, Smithfield, RI (US);
Illinois Tool Works Inc., Glenview, IL (US);
Abstract
A system for dispensing material on a substrate includes a dispensing unit having a dispensing piston. The dispensing piston is pneumatically driven from a first lower position to a second upper position. The system further includes a solenoid valve coupled to the dispensing unit, with the solenoid valve being configured to control air flow to and from the dispensing piston. The solenoid valve includes a solenoid coil and an amplifier connected to the solenoid coil. The system further includes a controller coupled to the amplifier, with the controller being configured to generate a command signal to the amplifier to control current in the solenoid coil.