{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9774242","patent":{"patent_number":"US-9774242","title":"Phase sequence switching device for three-phase power supply","assignee":null,"inventors":[],"filing_date":"2014-12-18T00:00:00.000Z","publication_date":"2017-09-26T00:00:00.000Z","cpc_codes":["H02M"],"num_claims":5,"abstract":"A phase sequence switching device for a three-phase power supply is disposed in a power feed path from a three-phase power supply to a load and includes a power-supply side relay including two Form C contact relays connected to two phases of the power supply respectively, a load side relay including two Form C contact relays connected between the power-supply side relay and the load, and a switching circuit connected between the power-supply side relay and the load side relay and wired to be capable of switching by a relay action from a standby state where no power is supplied to the load to either a state where the power supply is connected to a positive phase so that power is supplied to the load side or a state where the power supply is connected to a reverse phase so that power is supplied to the load side."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Phase sequence switching device for three-phase power supply","description":"A phase sequence switching device for a three-phase power supply is disposed in a power feed path from a three-phase power supply to a load and includes a power-supply side relay including two Form C ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9774242","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-9774242","citation_suggestion":"Patentable. \"Phase sequence switching device for three-phase power supply\" (US-9774242). https://patentable.app/patents/US-9774242","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9774242","json":"https://patentable.app/api/llm-context/US-9774242","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T16:30:24.939Z"}