{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10473528","patent":{"patent_number":"US-10473528","title":"Optical apparatus and sight tube for inspecting turbine engine components","assignee":null,"inventors":[],"filing_date":"2016-02-13T00:00:00.000Z","publication_date":"2019-11-12T00:00:00.000Z","cpc_codes":["G01N","H04N","G01N","G01N","G01N","H04N"],"num_claims":16,"abstract":"An apparatus for insertion through an opening in an outer casing of a gas turbine engine and inspection of internal turbine components at elevated temperatures having an optical sight tube configured to optically communicate with an interior of gas turbine engine via a distal end disposed at the interior and a proximal end disposed exterior of the internal turbine components and defined by a first longitudinal wall, at least one lens at the distal end of the optical sight tube adjacent to the longitudinal wall; and at least one longitudinal cooling groove in the longitudinal wall for flowing a cooling medium from a location external to the turbine to cool the optical sight tube at a location at least adjacent the distal end."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical apparatus and sight tube for inspecting turbine engine components","description":"An apparatus for insertion through an opening in an outer casing of a gas turbine engine and inspection of internal turbine components at elevated temperatures having an optical sight tube configured ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10473528","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-10473528","citation_suggestion":"Patentable. \"Optical apparatus and sight tube for inspecting turbine engine components\" (US-10473528). https://patentable.app/patents/US-10473528","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10473528","json":"https://patentable.app/api/llm-context/US-10473528","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:17:17.243Z"}