{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9638647","patent":{"patent_number":"US-9638647","title":"Method for determining the retention capacity of fuel vapor filters","assignee":null,"inventors":[],"filing_date":"2013-05-23T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G01N"],"num_claims":13,"abstract":"The invention relates to a method of determining the retention capacity of fuel vapor filters for motor vehicles, wherein a temperature profile of the fuel is recorded on a motor vehicle in a SHED chamber during a temperature cycle. A fuel vapor volumetric flow for a temperature change is calculated from the temperature profile. In a measurement arrangement (1) fuel is evaporated by means of an evaporator (2) and is output by means of a charging pump (9) to a fuel vapor filter (4) disposed in an oven (5). The bleed emissions of the fuel vapor filter (4) are measured at least during the charging."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for determining the retention capacity of fuel vapor filters","description":"The invention relates to a method of determining the retention capacity of fuel vapor filters for motor vehicles, wherein a temperature profile of the fuel is recorded on a motor vehicle in a SHED cha","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9638647","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-9638647","citation_suggestion":"Patentable. \"Method for determining the retention capacity of fuel vapor filters\" (US-9638647). https://patentable.app/patents/US-9638647","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9638647","json":"https://patentable.app/api/llm-context/US-9638647","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:35:19.970Z"}