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公开(公告)号：US20200217287A1
公开(公告)日：2020-07-09
申请号：US16638412
申请日：2018-06-04
发明人： Sung Chul Cha , Heon Joon Park , Joon Hee Park , Hye Seong Han
IPC分类号： F02M61/18 , F02M61/16 , C23C14/16 , C23C14/02 , C23C16/40 , C23C16/50 , C23C14/54 , C23C14/34 , B05B1/30
摘要： The present disclosure relates to a ball and a valve seat for a fuel injector, in which an SiO-DLC functional layer having low friction properties is formed as an outermost layer in order to reduce a friction coefficient, a Mo-based material is applied to a bonding layer and a supporting layer for bonding the SiO-DLC functional layer to a base material and supporting the same to improve the heat resistance thereof, and only Mo particles of a pure ion state are deposited so as to form the bonding layer and the support layer, such that adhesive force and bonding force are increased to thus improve durability; and to a method for coating the same.
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公开(公告)号：US11661649B2
公开(公告)日：2023-05-30
申请号：US17129358
申请日：2020-12-21
发明人： Han Su Park , Heon Joon Park , Sung Chul Cha
CPC分类号： C23C14/0664 , C23C14/0688 , C23C14/35 , C23C14/352 , C23C14/56 , C23C28/04 , C23C28/42 , F02M61/166 , F02M61/168 , F02M2200/02 , F02M2200/9038
摘要： Disclosed are a component for a fuel injector and a method for coating the same. The component for the fuel injector may include a base material, a bonding layer laminated on the base material, a support layer laminated on the outer surface of the bonding layer, and an NbSiCN functional layer including an NbCN layer and an SiCN layer and alternately laminated on the outer surface of the support layer, thereby reducing friction, high hardness, shock resistance, heat resistance, and durability of the component for the fuel injector.
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公开(公告)号：US20210254206A1
公开(公告)日：2021-08-19
申请号：US17275055
申请日：2019-08-19
发明人： Heon Joon Park , Hae Hyuk Jung , Sung Chul Cha , Won Ki Chung
摘要： A ball and a valve seat for a fuel injector, and a method for coating the same are provided to form a Ta—C:H—SiO functional layer having a low frictional characteristic as the outermost layer to reduce a frictional coefficient. A Mo-based material is applied to a bonding layer and a supporting layer for bonding and supporting the Ta—C:H—SiO functional layer is applied to a base material to improve heat resistance. Accordingly, only pure ionic Mo particles are deposited to form the bonding layer and the supporting layer, thereby increasing an adhesive force and a bonding force to improve durability.
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公开(公告)号：US20210190024A1
公开(公告)日：2021-06-24
申请号：US17129358
申请日：2020-12-21
发明人： Han Su Park , Heon Joon Park , Sung Chul Cha
摘要： Disclosed are a component for a fuel injector and a method for coating the same. The component for the fuel injector may include a base material, a bonding layer laminated on the base material, a support layer laminated on the outer surface of the bonding layer, and an NbSiCN functional layer including an NbCN layer and an SiCN layer and alternately laminated on the outer surface of the support layer, thereby reducing friction, high hardness, shock resistance, heat resistance, and durability of the component for the fuel injector.
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