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:
Dec. 26, 2000
Filed:
Jul. 12, 1999
William S Smith, San Antonio de Belen, CR;
Shawn M Stover, Louisville, KY (US);
Numatics, Incorporated, Highland, MI (US);
Abstract
A solenoid valve that includes a valve body in which a valve spool is slidably mounted, and a solenoid assembly mounted at one end of the valve body. The solenoid assembly includes a solenoid having a plunger operatively coupled to the spool and a solenoid coil for actuating the plunger. A solenoid valve driver circuit includes a circuitboard assembly that has a power supply responsive to external power for supplying electrical power to the driver circuit and the solenoid coil, and a microprocessor-based control circuit responsive to external control signals for controlling actuation of the solenoid coil. The solenoid assembly, including the solenoid and the circuitboard assembly, comprises a unitary molded or potted assembly.