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公开(公告)号：US10207579B2
公开(公告)日：2019-02-19
申请号：US15297343
申请日：2016-10-19
发明人： Bu Yeol Ryu , Ju Tae Song , Cheol Hun Cho , Jeong Seok Lee , Gun Woo Kim , Young Jae Do
摘要： A fuel-mixing prevention filler neck device is provided. The fuel-mixing prevention filler neck device includes a fuel dispensing gun insertion unit that receives a fuel dispensing thereinto and a coupling unit that provides fluid communication with a bottom of the fuel dispensing gun insertion unit. The coupling unit is disposed on an exterior circumferential surface thereof with coupling protrusions for fastening with a plurality of slots formed in a filler pipe. Further, a first side of a lower portion of the coupling unit is open to form a coupling region. A misfueling prevention unit slidably moves to the coupling region to be coupled to the coupling unit. Additionally, the misfueling prevention unit is closed when a gasoline fuel dispensing gun is inserted and being opened when a diesel fuel dispensing gun is inserted.
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公开(公告)号：US20170291487A1
公开(公告)日：2017-10-12
申请号：US15297343
申请日：2016-10-19
发明人： Bu Yeol Ryu , Ju Tae Song , Cheol Hun Cho , Jeong Seok Lee , Gun Woo Kim , Young Jae Do
IPC分类号： B60K15/04
CPC分类号： B60K15/04 , B60K15/0406 , B60K2015/03309 , B60K2015/03453 , B60K2015/0438 , B60K2015/0461 , B60K2015/0483
摘要： A fuel-mixing prevention filler neck device is provided. The fuel-mixing prevention filler neck device includes a fuel dispensing gun insertion unit that receives a fuel dispensing thereinto and a coupling unit that provides fluid communication with a bottom of the fuel dispensing gun insertion unit. The coupling unit is disposed on an exterior circumferential surface thereof with coupling protrusions for fastening with a plurality of slots formed in a filler pipe. Further, a first side of a lower portion of the coupling unit is open to form a coupling region. A misfueling prevention unit slidably moves to the coupling region to be coupled to the coupling unit. Additionally, the misfueling prevention unit is closed when a gasoline fuel dispensing gun is inserted and being opened when a diesel fuel dispensing gun is inserted.
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