An Extruded Electrically Heated Catalyst: From Design Concept through Proven-Durability

Autor: Shigeharu Hashimoto, Fumio Abe, Masanori Katsu
Rok vydání: 1996
Předmět:
Zdroj: SAE Technical Paper Series.
ISSN: 0148-7191
DOI: 10.4271/960340
Popis: The electrically-heated catalyst (EHC) has been established as an effective technology for lower-emission regulations. High electrical power consumption was a major concern for the EHC system in the past. This issue was addressed through the development of the EHC design and the alternator-powered EHC system combined with a light-off (L/O) catalyst. The subsequent challenges have been to prove the EHC`s reliability and durability. NGK has developed a durable, extruded EHC for very severe exhaust system installations. In addition, the EHC`s electrical connector system is required to meet high performance and reliability objectives under extreme environmental conditions unique to this application. This report describes the design concept of NGK`s EHC including the new electrical connector system and durability results. In summary, the NGK EHC design concept has been confirmed to have excellent durability performance.
Databáze: OpenAIRE