Invention Grant
- Patent Title: Engine with turbocharger and EGR
- Patent Title (中): 发动机带涡轮增压器和EGR
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Application No.: US13260395Application Date: 2010-03-23
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Publication No.: US08438848B2Publication Date: 2013-05-14
- Inventor: Takehide Kitagawa , Yasukuni Kawashima , Shuuji Hori , Daisuke Kozuka
- Applicant: Takehide Kitagawa , Yasukuni Kawashima , Shuuji Hori , Daisuke Kozuka
- Applicant Address: JP Tokyo
- Assignee: Komatsu Ltd.
- Current Assignee: Komatsu Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Fish & Richardson P.C.
- Priority: JP2009-077249 20090326
- International Application: PCT/JP2010/054933 WO 20100323
- International Announcement: WO2010/110243 WO 20100930
- Main IPC: F02B33/44
- IPC: F02B33/44
Abstract:
An engine includes a variable geometry turbocharger, an EGR valve device, a hydraulic servo drive device that drives the variable geometry turbocharger, a hydraulic servo drive device that drives the EGR valve device, an electronic proportional control valve (EPC valve) that supplies pilot pressure oil to the hydraulic servo drive device, and an electronic proportional control valve (EPC valve) that supplies pilot pressure oil to the hydraulic servo drive device, the EPC valves being attached to the EGR valve device.
Public/Granted literature
- US20120017588A1 Engine Public/Granted day:2012-01-26
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