{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8512513","patent":{"patent_number":"US-8512513","title":"Method of and apparatus for controlling the height of a column of material in a vessel upstream of a pump","assignee":null,"inventors":[],"filing_date":"2008-07-25T00:00:00.000Z","publication_date":"2013-08-20T00:00:00.000Z","cpc_codes":["G05D"],"num_claims":12,"abstract":"A method of and an apparatus for controlling the height of a material column in a vessel upstream of a pump, in which method material is conveyed into an upper portion of the vessel, electrical signals are provided on the basis of the presence of material at predetermined measuring levels of the vessel by using a first sensor set disposed at a first measuring level at the upper portion of the vessel and a second sensor set disposed at a second measuring level at the lower portion of the vessel, and material is extracted at a controlled flow speed from a lower portion of the vessel by the pump, wherein the provided electrical signals are used to infer weighting factors of measuring level presence functions, and the flow speed is controlled on the basis of the weighting factors of the measuring level presence functions."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of and apparatus for controlling the height of a column of material in a vessel upstream of a pump","description":"A method of and an apparatus for controlling the height of a material column in a vessel upstream of a pump, in which method material is conveyed into an upper portion of the vessel, electrical signal","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8512513","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-8512513","citation_suggestion":"Patentable. \"Method of and apparatus for controlling the height of a column of material in a vessel upstream of a pump\" (US-8512513). https://patentable.app/patents/US-8512513","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8512513","json":"https://patentable.app/api/llm-context/US-8512513","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:54:51.353Z"}