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公开(公告)号:EP2116715A1
公开(公告)日:2009-11-11
申请号:EP07860155.6
申请日:2007-12-26
申请人: Komatsu Ltd
IPC分类号: F02M25/07 , F15B9/08 , F15B13/043 , F16K31/122
CPC分类号: F16K11/0716 , F02M26/59 , F02M26/67 , F02M26/70 , F02M2026/002 , F16K31/124 , F16K31/1635 , F16K31/42
摘要: An EGR valve device (1) includes a valve housing (2) of which inside exhaust gas passes through, a poppet valve (3) as a valve body accommodated in the valve housing (2), and a hydraulic servo actuator (4) for driving the poppet valve (3) to be opened and closed. The hydraulic servo actuator (4) is provided by a three-port ( Fig. 2 ) or four-port servo valve.
摘要翻译: EGR阀装置(1)包括排气内部通过的阀壳体(2),作为容纳在阀壳体(2)中的阀体的提升阀(3)和液压伺服致动器(4),用于 驱动提升阀(3)打开和关闭。 液压伺服驱动器(4)由三端口(图2)或四端口伺服阀提供。
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公开(公告)号:EP2116715B1
公开(公告)日:2013-08-21
申请号:EP07860155.6
申请日:2007-12-26
申请人: Komatsu Ltd.
IPC分类号: F02M25/07 , F15B9/08 , F15B13/043 , F16K31/122 , F16K31/124 , F16K31/163 , F16K31/42
CPC分类号: F16K11/0716 , F02M26/59 , F02M26/67 , F02M26/70 , F02M2026/002 , F16K31/124 , F16K31/1635 , F16K31/42
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