{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10539939","patent":{"patent_number":"US-10539939","title":"Method for controlling constant air volume of electric device adapted to exhaust or supply air","assignee":null,"inventors":[],"filing_date":"2016-10-23T00:00:00.000Z","publication_date":"2020-01-21T00:00:00.000Z","cpc_codes":["G05B"],"num_claims":18,"abstract":"A method for controlling air volume of an electric device to be constant, the device being adapted to exhaust or supply air, the method including: A) establishing M constant air volume control functions Qi=F(n) corresponding to M air volume points CFMi in the microprocessor of the system controller; B) allowing the microprocessor to receive or preset a target air volume IN-CFM; C) starting the motor, when the motor operates in a stable state, comparing M air volume points CFMi with the target air volume IN-CFM, and ensuring that the target air volume IN-CFM falls within two known air volume points CFMi and CFMi−1; D) using the two known air volume points CFMi and CFMi−1 to calculate a constant air volume control function Q0=F(n) corresponding to the target air volume IN-CFM by interpolation method; and E) controlling a motor parameter Q0 and a rotational speed n."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for controlling constant air volume of electric device adapted to exhaust or supply air","description":"A method for controlling air volume of an electric device to be constant, the device being adapted to exhaust or supply air, the method including: A) establishing M constant air volume control functio","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10539939","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-10539939","citation_suggestion":"Patentable. \"Method for controlling constant air volume of electric device adapted to exhaust or supply air\" (US-10539939). https://patentable.app/patents/US-10539939","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10539939","json":"https://patentable.app/api/llm-context/US-10539939","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T09:24:21.283Z"}