{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9816743","patent":{"patent_number":"US-9816743","title":"Electric motor drive device and air-conditioning apparatus or refrigerating and air-conditioning apparatus using the same","assignee":null,"inventors":[],"filing_date":"2014-08-22T00:00:00.000Z","publication_date":"2017-11-14T00:00:00.000Z","cpc_codes":["H02M","H02M"],"num_claims":10,"abstract":"An electric motor drive device including a drive controller configured to control an operation of an inverter, the drive controller including a frequency setting unit configured to set an operating frequency of an electric motor, a frequency determining unit configured to determine whether or not the operating frequency set in the frequency setting unit is equal to or lower than a set frequency threshold value, a voltage determining unit configured to determine whether or not a value of a DC voltage is equal to or larger than a set voltage threshold value, and an inverter controller configured to control the inverter based on the operating frequency set in the frequency setting unit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Electric motor drive device and air-conditioning apparatus or refrigerating and air-conditioning apparatus using the same","description":"An electric motor drive device including a drive controller configured to control an operation of an inverter, the drive controller including a frequency setting unit configured to set an operating fr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9816743","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-9816743","citation_suggestion":"Patentable. \"Electric motor drive device and air-conditioning apparatus or refrigerating and air-conditioning apparatus using the same\" (US-9816743). https://patentable.app/patents/US-9816743","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9816743","json":"https://patentable.app/api/llm-context/US-9816743","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:41:13.383Z"}