{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8500526","patent":{"patent_number":"US-8500526","title":"Variable set point all-electric pressure relief valve and control, independent from the automatic cabin pressure control system","assignee":null,"inventors":[],"filing_date":"2009-02-12T00:00:00.000Z","publication_date":"2013-08-06T00:00:00.000Z","cpc_codes":["G05D"],"num_claims":9,"abstract":"A system for maintaining a desired cabin pressure in an aircraft includes a cabin-pressure control sub-system; a pressure relief valve for operation in event of failure or malfunction of the subsystem; a pressure relief valve actuator for operating the pressure relief valve; and a pressure relief valve control (PRVC) for producing commands for operation of the pressure relief valve actuator responsively to a first set of signal indicative of aircraft altitude and to presence of cabin-to-ambient pressure differential (ΔP) that varies from a desired ΔP by a predetermined amount."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Variable set point all-electric pressure relief valve and control, independent from the automatic cabin pressure control system","description":"A system for maintaining a desired cabin pressure in an aircraft includes a cabin-pressure control sub-system; a pressure relief valve for operation in event of failure or malfunction of the subsystem","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8500526","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-8500526","citation_suggestion":"Patentable. \"Variable set point all-electric pressure relief valve and control, independent from the automatic cabin pressure control system\" (US-8500526). https://patentable.app/patents/US-8500526","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8500526","json":"https://patentable.app/api/llm-context/US-8500526","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T13:17:26.580Z"}