{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9688270","patent":{"patent_number":"US-9688270","title":"Vehicle fuel maintenance systems and methods","assignee":null,"inventors":[],"filing_date":"2015-09-25T00:00:00.000Z","publication_date":"2017-06-27T00:00:00.000Z","cpc_codes":["G07C","B60W","B60W","B60W","B60W"],"num_claims":20,"abstract":"A method comprises on board a hybrid vehicle and executed by a vehicle controller on board the hybrid vehicle, determining a pH based on a pH sensor positioned in a fuel system; and in response to a first condition comprising the pH being less than a first threshold pH, disabling an electric motor and propelling the hybrid vehicle with an engine. In this way, a risk of engine degradation due to fuel degradation can be reduced."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Vehicle fuel maintenance systems and methods","description":"A method comprises on board a hybrid vehicle and executed by a vehicle controller on board the hybrid vehicle, determining a pH based on a pH sensor positioned in a fuel system; and in response to a f","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9688270","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-9688270","citation_suggestion":"Patentable. \"Vehicle fuel maintenance systems and methods\" (US-9688270). https://patentable.app/patents/US-9688270","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9688270","json":"https://patentable.app/api/llm-context/US-9688270","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:21:17.556Z"}