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:
Jun. 04, 2024
Filed:
Mar. 05, 2021
Capstan Ag Systems, Inc., Topeka, KS (US);
Duane Needham, Berkeley, CA (US);
Capstan Ag Systems, Inc., Topeka, KS (US);
Abstract
A drive circuit for a solenoid valve having a coil and a poppet configured to translate within the coil includes a drive switch operable to de-energize the coil to translate the poppet toward a closed position, a sensor configured to detect the poppet translating within the solenoid valve, and a drive circuit configured to energize and de-energize the coil of the solenoid valve to translate the poppet of the solenoid valve between an open position and a closed position. The drive circuit includes a controller configured to receive a closure signal from the sensor, determine a closing time of the solenoid valve based on the closure signal, determine a time delay between de-energizing the coil and the determined closing time, and determine a fluid flow value of fluid flowing through the solenoid valve based on the determined time delay.