Evaporated fuel treatment device of an engine

专利名称：Evaporated fuel treatment device of an

engine

发明人：Osanai, Akinori申请号：EP97112636.2申请日：19970723公开号：EP0821152A2公开日：19980128

专利附图：

摘要：An evaporated fuel treatment device comprising a purge control valve arrangedbetween a canister and an intake passage of an engine. A drive pulse of the purge controlvalve is controlled by a duty ratio. When the purge action starts, the duty ratio is

gradually increased. When the amount of the intake air is large other than at engineidling, the purge action is started. After the purge action is started, the purge action isperformed even during engine idling.

申请人：Toyota Jidosha Kabushiki Kaisha

地址：1, Toyota-cho Toyota-shi, Aichi-ken 471-71 JP

国籍：JP

代理机构：Leson, Thomas Johannes Alois, Dipl.-Ing.

更多信息请下载全文后查看