{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9837874","patent":{"patent_number":"US-9837874","title":"Flywheel energy storage device, wind power generation system and vehicle energy feedback brake system","assignee":null,"inventors":[],"filing_date":"2014-03-25T00:00:00.000Z","publication_date":"2017-12-05T00:00:00.000Z","cpc_codes":["H02J"],"num_claims":20,"abstract":"Provided is a flywheel energy storage device including a radial magnetic gear, the radial magnetic gear includes an inner rotor, an outer rotor and N1 first magnetic pole adjustment sheets embedded in a first magnetic pole adjustment sheet base; a disc-type magnetic gear electric motor includes a first stator disc, a first rotor disc, a second stator disc, a second rotor disc and a third rotor disc, the first stator disc with the first rotor disc form a first disc-type electric motor, the second stator disc with the second rotor disc form a second disc-type electric motor, and a disc-type magnetic gear is formed by the first rotor disc, the second rotor disc and the third rotor disc, and the first disc-type electric motor, the second disc-type electric motor and the disc-type magnetic gear are couple with one another to form the disc-type magnetic gear electric motor."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Flywheel energy storage device, wind power generation system and vehicle energy feedback brake system","description":"Provided is a flywheel energy storage device including a radial magnetic gear, the radial magnetic gear includes an inner rotor, an outer rotor and N1 first magnetic pole adjustment sheets embedded in","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9837874","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-9837874","citation_suggestion":"Patentable. \"Flywheel energy storage device, wind power generation system and vehicle energy feedback brake system\" (US-9837874). https://patentable.app/patents/US-9837874","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9837874","json":"https://patentable.app/api/llm-context/US-9837874","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:01:05.895Z"}