{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9627957","patent":{"patent_number":"US-9627957","title":"Power conversion device","assignee":null,"inventors":[],"filing_date":"2013-05-22T00:00:00.000Z","publication_date":"2017-04-18T00:00:00.000Z","cpc_codes":["H02M","H01L","H01L","H01L","H01L","H02M","H02M","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H02M","H02M","H02M"],"num_claims":10,"abstract":"A power conversion device implementing an electrical-path-cutoff only if a power semiconductor element short-circuits, and to implement the cutoff at a timing earlier than when a battery fuse fuses, includes a pair of power semiconductor elements configured to be an upper arm element and a lower arm element, being connected in series between a positive-polarity electrode and a negative-polarity electrode; a short circuit detection circuit configured to detect a short circuit in the lower arm element; switching element for fusing, configured to be disposed between positive-polarity-side terminal of upper arm element on the positive-polarity electrode side, and negative-polarity-side terminal of lower arm element on the negative-polarity electrode side, and to be driven to have the positive-polarity-side terminal connected with the negative-polarity electrode when the short circuit is detected; and a cutoff part configured to be made of thin metallic wire for having the negative-polarity-side terminal connected with the negative-polarity electrode."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Power conversion device","description":"A power conversion device implementing an electrical-path-cutoff only if a power semiconductor element short-circuits, and to implement the cutoff at a timing earlier than when a battery fuse fuses, i","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9627957","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-9627957","citation_suggestion":"Patentable. \"Power conversion device\" (US-9627957). https://patentable.app/patents/US-9627957","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9627957","json":"https://patentable.app/api/llm-context/US-9627957","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:38:27.019Z"}