专利名称：Fuel injection valve and method for
manufacturing swirler
发明人：Norihisa Fukutomi,Mamoru Sumida申请号：US11017704申请日：20041222
公开号：US20050139699A1公开日：20050630
专利附图：
摘要：A valve seat having an injection hole is fixed at one end of a hollow valve mainbody , a valve body slidably supported so as to be separated from and brought intocontact with the valve seat to open and close the injection hole and a swirler for
surrounding the valve body to slidably support the valve body and for imparting aswirling motion to fuel flowing into the injection hole are equipped, a swirling groove inthe swirler includes a curvature part in a groove outlet, and a sectional configuration ofthe swirling groove is constituted so that the depth of the central part is larger than thedepth of the end part.
申请人：Norihisa Fukutomi,Mamoru Sumida
地址：Tokyo JP,Tokyo JP
国籍：JP,JP
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