发明名称 |
CONSTRUCTION MACHINE WITH DEVICE FOR ACOUSTICALLY INSULATING CABIN |
摘要 |
<p>To be provided is a construction machine capable of effectively reducing noise which would intrude into a cab, without deterioration in ride quality, comfort and air-conditioning efficiency in the cab. The construction machine comprises a lower propelling body, an upper slewing body including an upper frame, a cab including a floor plate and installed on the upper frame, and a cab noise reduction device. The cab noise reduction device comprises: the floor plate; an under-cab member including a cab deck (11) supporting the cab and provided under the cab to define a closed-form under-cab space whose periphery is substantially closed, in cooperation with the floor plate; and a resonator (21) reducing noise in the under-cab space by a resonance effect.</p> |
申请公布号 |
EP2341192(B1) |
申请公布日期 |
2015.03.11 |
申请号 |
EP20090817622 |
申请日期 |
2009.09.08 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO;KOBELCO CONSTRUCTION MACHINERY CO., LTD. |
发明人 |
MASUDA,KYOKO;KIMURA, YASUMASA;UEDA, KAZUHIRO |
分类号 |
E02F9/16;B60R13/08;G10K11/16 |
主分类号 |
E02F9/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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