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Dive into the research topics where Yasuji Akiyoshi is active.

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Featured researches published by Yasuji Akiyoshi.


Jsae Review | 2002

Theoretical analysis of tire acoustic cavity noise and proposal of improvement technique

Hiroshi Yamauchi; Yasuji Akiyoshi

Abstract This paper describes an investigation into interior road noise caused by the acoustic cavity resonance inside the tire–wheel assembly when a passenger car is running. First of all, we researched some characteristics of the acoustic cavity resonance inside the tire–wheel assembly. Next, we derived the equation of motion of the acoustic cavity system and explained the characters theoretically. Then, we proposed a technique to reduce the peak level of the acoustic cavity natural frequency. Finally, we made prototype wheels and confirmed their validity.


Archive | 2009

Tire cavity resonance restricting device and pneumatic tire

Toshiyuki Ikeda; Atsushi Tanno; Hiroshi Yamauchi; Yasuji Akiyoshi


International Congress & Exposition | 1993

A Study on Evaluation Method and Improvement of Shift Quality of Automatic Transmission

Toshitaka Naruse; Yasuhiro Nakashima; Yasuhiro Murayama; Yasuji Akiyoshi; Tamotsu Kurachi


Archive | 2004

Tire/wheel assembly

Ichiro Akiyama; Hiroshi Yamauchi; Yasuji Akiyoshi


Archive | 2006

Geräuschreduktionsvorrichtung, Herstellungsverfahren für die Geräuschreduktionsvorrichtung und Luftreifen, welcher die Geräuschreduktionsvorrichtung aufweist Noise reduction device, manufacturing method for the noise reduction device and pneumatic tire having the noise reducing device

Yasuji Akiyoshi; Atsushi Tanno; Hiroshi Yamauchi


Archive | 2005

Dispositif de limitation de resonance de cavite de pneu et pneu matique

Toshiyuki Ikeda; Atsushi Tanno; Hiroshi Yamauchi; Yasuji Akiyoshi


Archive | 2005

騒音低減装置及びその製造方法、並びに、騒音低減装置を備えた空気入りタイヤ

Atsushi Tanno; Yasuji Akiyoshi; Hiroshi Yamauchi


Archive | 2005

Reifenkavitätsresonanzbeschränkungsvorrichtung und Luftreifen Reifenkavitätsresonanzbeschränkungsvorrichtung and pneumatic tires

Toshiyuki Ikeda; Atsushi Tanno; Hiroshi Yamauchi; Yasuji Akiyoshi


Archive | 2004

A pneumatic tire and production method thereof

Shuichi Tsukada; Hiroshi Yamauchi; Yasuji Akiyoshi


Archive | 2004

Luftreifen und zugehöriges Herstellungsverfahren A pneumatic tire and manufacturing method thereof

Shuichi Tsukada; Hiroshi Yamauchi; Yasuji Akiyoshi

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