{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11506149","patent":{"patent_number":"US-11506149","title":"Leak diagnosis system using active purge pump and leak diagnosis method using active purge pump","assignee":null,"inventors":[],"filing_date":"2019-11-19T00:00:00.000Z","publication_date":"2022-11-22T00:00:00.000Z","cpc_codes":["G07C"],"num_claims":19,"abstract":"An evaporated gas leak diagnosis method using an active purge pump is provided to detect a leak of the evaporated gas from a canister in a fuel system. The method includes diagnosing a failure of an active purge pump based on a signal generated by a pressure sensor installed on a vent line that extends from the canister to the atmosphere. The active purge pump is mounted on a purge line for connecting the canister with an intake pipe."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Leak diagnosis system using active purge pump and leak diagnosis method using active purge pump","description":"An evaporated gas leak diagnosis method using an active purge pump is provided to detect a leak of the evaporated gas from a canister in a fuel system. The method includes diagnosing a failure of an a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11506149","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-11506149","citation_suggestion":"Patentable. \"Leak diagnosis system using active purge pump and leak diagnosis method using active purge pump\" (US-11506149). https://patentable.app/patents/US-11506149","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11506149","json":"https://patentable.app/api/llm-context/US-11506149","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:06:24.487Z"}