{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9658626","patent":{"patent_number":"US-9658626","title":"Fault isolation and decontamination procedures for electrohydraulic valves","assignee":null,"inventors":[],"filing_date":"2013-12-23T00:00:00.000Z","publication_date":"2017-05-23T00:00:00.000Z","cpc_codes":["G05D","G05D"],"num_claims":11,"abstract":"A method for isolating a fault or blocked work port in an electro-hydraulic system is disclosed. In one step, a system pump is set to a first predetermined pressure and a valve assembly is commanded to a center position. In another step, the center position of the valve is recorded. In one step, the valve assembly is opened to place a work port associated with the valve in fluid communication with the pump, after which a first end position of the valve, a first work port pressure, and a first pump supply pressure are recorded. In another step, the valve assembly is opened to place the work port to a tank reservoir, after which a second end position of the valve and a fluid pressure associated with the work port are recorded. The recorded and measured data can then be analyzed to identify the fault condition or blocked work port."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Fault isolation and decontamination procedures for electrohydraulic valves","description":"A method for isolating a fault or blocked work port in an electro-hydraulic system is disclosed. In one step, a system pump is set to a first predetermined pressure and a valve assembly is commanded t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9658626","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-9658626","citation_suggestion":"Patentable. \"Fault isolation and decontamination procedures for electrohydraulic valves\" (US-9658626). https://patentable.app/patents/US-9658626","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9658626","json":"https://patentable.app/api/llm-context/US-9658626","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:47:54.198Z"}