{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9759166","patent":{"patent_number":"US-9759166","title":"Systems and methods for evaporative emissions testing","assignee":null,"inventors":[],"filing_date":"2015-09-09T00:00:00.000Z","publication_date":"2017-09-12T00:00:00.000Z","cpc_codes":["G05B","G07C","G07C"],"num_claims":19,"abstract":"Methods and systems are provided for diagnosing degradation of an evaporative emissions system in a vehicle. One example method comprises following a vehicle-off event, waking an electronic controller to indicate an absence of a leak in the evaporative emissions system responsive to vacuum in the evaporative emissions system attaining a vacuum threshold, the vacuum threshold based on ambient conditions and fuel conditions at the vehicle-off event. The vacuum threshold may vary based on existing conditions and may enable a more reliable diagnosis of a status of the evaporative emissions system."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Systems and methods for evaporative emissions testing","description":"Methods and systems are provided for diagnosing degradation of an evaporative emissions system in a vehicle. One example method comprises following a vehicle-off event, waking an electronic controller","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9759166","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-9759166","citation_suggestion":"Patentable. \"Systems and methods for evaporative emissions testing\" (US-9759166). https://patentable.app/patents/US-9759166","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9759166","json":"https://patentable.app/api/llm-context/US-9759166","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:14:53.543Z"}