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:
Aug. 25, 1981
Filed:
Nov. 05, 1979
Harvard B Kolm, Lewiston, NY (US);
Hydraulic Servocontrols Corporation, Buffalo, NY (US);
Abstract
A servovalve including a base, first and second flappers mounted on the base and attached to first and second armatures, respectively, first and second nozzles on the base for discharging fluid, third and fourth nozzles on said base for receiving fluid from the first and second nozzles, respectively, first and second springs for normally biasing the first and second flappers, respectively, into positions for effectively preventing flow of fluid from the first and second nozzles, torque motor structure including first and second coils operatively associated with the first and second armatures for simultaneously causing either one of said flappers to move away from its associated nozzle while the other flapper moves into a more closed relationship with its associated nozzle depending on the direction of current flow through said coils, and gain adjustment blocks mounted on the first and second armatures.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile