{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8479848","patent":{"patent_number":"US-8479848","title":"Hybrid-type construction machine","assignee":null,"inventors":[],"filing_date":"2012-01-20T00:00:00.000Z","publication_date":"2013-07-09T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J"],"num_claims":6,"abstract":"A disclosed hybrid-type construction machine includes a generator part configured to generate electric energy by the driving force of an engine; an inverter configured to control the generator part; an electric power accumulator configured to accumulate the electric energy generated by the generator part; a DC bus located between the generator part and the electric power accumulator; and a converter configured to control a voltage of the DC bus, wherein when the electric power accumulator having approximately zero electric energy is charged the inverter of the generator part is not controlled, and a reference value of a voltage command for the DC bus to charge the electric power accumulator is set to be smaller than an induced voltage of the generator part."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Hybrid-type construction machine","description":"A disclosed hybrid-type construction machine includes a generator part configured to generate electric energy by the driving force of an engine; an inverter configured to control the generator part; a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8479848","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-8479848","citation_suggestion":"Patentable. \"Hybrid-type construction machine\" (US-8479848). https://patentable.app/patents/US-8479848","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8479848","json":"https://patentable.app/api/llm-context/US-8479848","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:30:49.444Z"}