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公开(公告)号：US10156059B2
公开(公告)日：2018-12-18
申请号：US15168600
申请日：2016-05-31
发明人： Satoshi Tabuchi , Kyoko Masuda , Zenzo Yamaguchi , Kazuhiro Ueda , Daisuke Noda , Yusuke Fujiwara
摘要： Provided is a construction machine capable of smooth exhaust and suppression of a leak of noise from an engine room, including an engine guard defining an engine room, a cooling fan disposed in the engine room, a projection element projecting upward beyond the engine guard, and an exhaust duct. The exhaust duct has a bent shape including a first duct section extending along an axial flow direction of the cooling fan from an upstream end portion surrounding a duct inlet to a connection portion and a second duct section extending upward from the connection portion and surrounding a duct outlet opened upward, also including an engine concealment section obstructing a direct view to an engine through the duct outlet from outside the engine room.
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公开(公告)号：US10352279B2
公开(公告)日：2019-07-16
申请号：US15579652
申请日：2016-06-06
IPC分类号： F02M35/10 , B60K11/04 , E02F9/00 , F02M35/14 , F02M35/12 , F02M35/16 , B60K11/00 , B60K11/08 , B60R13/08 , F01P5/06 , F01P11/12 , F01P11/10 , F01P1/00
摘要： A construction machine includes: a partition member partitioning an accommodation space in an engine compartment into a main chamber and an intake chamber while having an inter-chamber opening; a fan disposed in the main chamber to generate cooling air flowing through an air intake opening, the intake chamber, the inter-chamber opening, and the main chamber in this order by sucking air in the engine compartment in a suction direction; a duct joined to an outer wall to enclose the air intake opening and including an inner peripheral surface enclosing a duct passage leading to the air intake opening and an outer peripheral surface. The duct extends in a duct extension direction different from the suction direction of the fan, disposed in the intake chamber to define a duct surrounding space around the outer peripheral surface of the duct.
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