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Featured researches published by Kazuhiro Ueda.


Transactions of the Japan Society of Mechanical Engineers. C | 2004

Development of Measuring Method for Pressure Pulsation Characteristics by Using 3-microphones (Measurement of Damping Characteristics of the Hydraulic Systems)

Yasumasa Kimura; Toshimitsu Tanaka; Kazuhiro Ueda; Hajime Nakashima

An experimental method to analyze the damping characteristics of hydraulic components is proposed in this report. By using our 3-mirophones Method, the absorption coefficient, propagation constants and the characteristic impedance of the component in the liquid-filled piping systems were measured. Experiments were conducted on the thin-tubes in the side branch pipe. Moreover, by using these damping characteristics of the component, we analyzed the pressure pulsation of the total hydraulic system. From the results obtained, this method is useful to evaluate the pulsation characteristics of the hydraulic systems.


Archive | 2011

HYDRAULIC TUBING SUPPORT STRUCTURE AND OPERATING MACHINE PROVIDED THEREWITH

Kyoko Masuda; Masashi Kawabata; Yoshimune Mori; Yasumasa Kimura; Kazuhiro Ueda; Shuichi Ono


Archive | 2009

CONSTRUCTION MACHINE WITH CAB NOISE REDUCTION DEVICE

Kyoko Masuda; Yasumasa Kimura; Kazuhiro Ueda


Archive | 2009

Construction machine with device for acoustically insulating cabin

Kyoko Masuda; Yasumasa Kimura; Kazuhiro Ueda


Archive | 2008

UPPER PART BODY AND CONSTRUCTION MACHINE PROVIDED WITH THE SAME

Yasumasa Kimura; Kazuhiro Ueda; 員弘 上田; 康正 木村


Archive | 2004

PRESSURE PULSATION ABSORBER

Yasumasa Kimura; Hajime Nakajima; Toshimitsu Tanaka; Kazuhiro Ueda; 上田 員弘; 中島 一; 木村 康正; 田中 俊光


Archive | 2016

CONSTRUCTION MACHINE INCLUDING ENGINE

Satoshi Tabuchi; Kyoko Masuda; Zenzo Yamaguchi; Kazuhiro Ueda; Daisuke Noda; Yusuke Fujiwara


Archive | 2013

Ultra‑low Noise Hydraulic Excavators Using a Newly‑ developed Cooling System (iNDr

Hajime Nakashima; Kazuhiro Ueda; Tomoyuki Tsuchihashi; Yasumasa Kimura; Zenzo Yamaguchi


Archive | 2011

Structure de support de tubulure hydraulique et machine d'actionnement la comportant

Kyoko Masuda; 京子 増田; Masashi Kawabata; 將司 川端; Yoshimune Mori; 辰宗 森; Yasumasa Kimura; 木村 康正; Kazuhiro Ueda; 上田 員弘; Shuichi Ono; 修一 大野


Archive | 2009

Machine de construction comprenant un dispositif pour isoler acoustiquement une cabine

Kyoko Masuda; Yasumasa Kimura; Kazuhiro Ueda

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