{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9709979","patent":{"patent_number":"US-9709979","title":"Method of monitoring short circuits in torque motors","assignee":null,"inventors":[],"filing_date":"2015-08-06T00:00:00.000Z","publication_date":"2017-07-18T00:00:00.000Z","cpc_codes":["G05B","G05B"],"num_claims":5,"abstract":"A method of monitoring an actuator system including a control device, a torque motor having a voltage Umc across its terminals and actuating a servo-valve, and an actuator controlled by the servo-valve, is provided. The control device is suitable for delivering to the torque motor a control current Icmd as a function of a current setpoint I_c and of a measured current Imes. The monitoring method includes: comparing the voltage Umc measured across the terminals of the torque motor with a predetermined threshold voltage Vthresh; and if the voltage across the terminals of the torque motor is less than or equal to the predetermined threshold voltage, raising an alarm and indicating a failure of the servo-valve. The comparison of the voltage Umc is performed only if the control current Icmd is greater than a predetermined threshold current Iinhib, with a control current less than that inhibiting any signaling of a servo-valve failure."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of monitoring short circuits in torque motors","description":"A method of monitoring an actuator system including a control device, a torque motor having a voltage Umc across its terminals and actuating a servo-valve, and an actuator controlled by the servo-valv","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9709979","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9709979","citation_suggestion":"Patentable. \"Method of monitoring short circuits in torque motors\" (US-9709979). https://patentable.app/patents/US-9709979","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9709979","json":"https://patentable.app/api/llm-context/US-9709979","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:33:45.854Z"}