发明名称 EGR DEVICE HAVING ROTARY VALVE
摘要 An EGR device includes a housing having an outer pipe and an inner pipe. The inner pipe is accommodated in the outer pipe to define an annular passage externally with the outer pipe. The inner pipe defines an inner passage internally. The inner pipe has pipe through holes. A rotary valve is accommodated in the inner pipe. The rotary valve has valve through holes. The rotary valve is rotatable to communicate the annular passage with the inner passage through the valve through holes and the pipe through holes. The rotary valve is rotatable to block the inner passage from the annular passage.
申请公布号 US2016160805(A1) 申请公布日期 2016.06.09
申请号 US201414561344 申请日期 2014.12.05
申请人 DENSO International America, Inc. ;DENSO CORPORATION 发明人 Polcyn Nicholas;Logan Jonathan;Smolarek Dallas
分类号 F02M25/07 主分类号 F02M25/07
代理机构 代理人
主权项 1. An EGR device comprising: a housing having an outer pipe and an inner pipe, the inner pipe accommodated in the outer pipe to define an annular passage externally with the outer pipe, the inner pipe defining an inner passage internally, the inner pipe having a plurality of pipe through holes; and a rotary valve accommodated in the inner pipe, the rotary valve having a plurality of valve through holes, wherein the rotary valve is rotatable to communicate the annular passage with the inner passage through the valve through holes and the pipe through holes andto block the inner passage from the annular passage.
地址 Southfield MI US