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Summary & Details

Improvement of the Reliability on Oscillating Bearings in Variable Compression Ratio Engine

可変圧縮比エンジン用揺動軸受の信頼性向上技術開発

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Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20216179

Paper/Info type: Proceedings (Autumn)

No.120-21

Pages: 1-6(Total 6 p)

Date of publication: Oct 2021

Publisher: JSAE

Language: Japanese

Event: 2021 JSAE Annual Congress (Autumn) [Online]

Detailed Information

Author(J)	1) 浅島寛貴, 2) 古川卓儀, 3) 田辺孝司, 4) 小林誠, 5) 河原健太郎
Author(E)	1) Hiroki Asajima, 2) Takayoshi Furukawa, 3) Takashi Tanabe, 4) Makoto Kobayashi, 5) Kentaro Kawahara
Affiliation(J)	1) 日産自動車, 2) 日産自動車, 3) 日産自動車, 4) 日産自動車, 5) 日産自動車
Affiliation(E)	1) Nissan Motor, 2) Nissan Motor, 3) Nissan Motor, 4) Nissan Motor, 5) Nissan Motor
Abstract(J)	可変圧縮比エンジンの揺動軸受は引張荷重に支配される半割軸受で従来の知見のみでは設計が難しい．そこで，各設計変数の機能信頼性に対する感度解析と実機検証によってロバストな設計手法の構築を行った．その結果，粗さ，クリアランスおよびハウジング剛性を考慮したプロファイル設定で信頼性を向上できることがわかった． Translation
Abstract(E)	Oscillating bearings in variable compression ratio engine are half-bearings that are strongly affected by tensile load so it is insufficient to design just by utilizing previous knowledge. Therefore the method for robust design is developed to conduct a parametric study of each design parameters on functional reliability and actual tests. As a result, it’s made clear that to control bearing roughness, clearance and profile considering housing stiffness properly can improve the reliability.

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