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Title:
NOISE SILENCER FOR CONSTRUCTION MACHINE
Document Type and Number:
Japanese Patent JP2010024824
Kind Code:
A
Abstract:

To provide a noise silencer for a construction machine constituted to minimize outward emission of noises generated from an engine compartment.

The noise silencer for reducing noises emitted through an air intake port and an air exhaust port of the engine compartment of the construction machine comprises: a frame 12 mounted to at least one of the air intake port and air exhaust port of the engine compartment; and noise damping members 15 fixed to the frame 12 at uniform intervals, and each comprising a first member 13 formed in a horizontal state inside the engine compartment so that cooling air flowing into the engine compartment from the outside of the engine compartment by driving a cooling fan flows smoothly, and a second member 14 formed integrally with the first member 13 and formed in an upward inclined state at a predetermined angle on the outside of the engine compartment in order to contact and shield noises emitted to the outside of the engine compartment.


Inventors:
BEOM SEOK JEON
IKEDA TOSHIMICHI
YUK WOOK SUNG
LEE HO JUN
Application Number:
JP2009000168691
Publication Date:
February 04, 2010
Filing Date:
July 17, 2009
Export Citation:
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Assignee:
VOLVO CONSTR EQUIP AB
International Classes:
E02F9/00; G10K11/16
Domestic Patent References:
JP2001107741A2001-04-17
JPS56139677U1981-10-22
JPS61188663U1986-11-25
JP2000016094A2000-01-18
JP2008037343A2008-02-21
JP2002196767A2002-07-12
JP2005249902A2005-09-15
Attorney, Agent or Firm:
重信 和男
清水 英雄
高木 祐一
中野 佳直
溝渕 良一
秋庭 英樹