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公开(公告)号：US20200254812A1
公开(公告)日：2020-08-13
申请号：US16550615
申请日：2019-08-26
Applicant: CITIC Dicastal CO., LTD.
Inventor： Chuan CHENG , Changhai LI , Xu WANG , Hongbiao LI , Zhen LI , Yule ZHOU , Zenglei HE
Abstract: An automobile hub of a multilayer rim includes a wheel disc and a rim that is composed of at least two layers of metal rings by nesting, and a gap is preset between two adjacent metal rings; an outer side of one end of the wheel disc includes axial rim mounting grooves, and one end of the rim is inserted into the rim mounting grooves to fix the rim to the wheel disc.
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公开(公告)号：US20190270338A1
公开(公告)日：2019-09-05
申请号：US16204014
申请日：2018-11-29
Applicant: CITIC Dicastal CO., LTD.
Inventor： Xu WANG , Zhen LI , Kaiqing WANG , Yule ZHOU , Chuan CHENG , Changhai LI , Tiefeng HU , Hui CHI
Abstract: A rim with an inner flange having strip weight reduction sockets and a wheel are provided. The rim includes the inner flange, a middle portion and an outer flange which are all annular and are connected end to end to form an annular rim, in which trapezoidal weight reduction sockets are provided on the inner wall of the inner flange; the bottom edges of the weight reduction sockets are flush with the edge of the inner flange; the top edge of each weight reduction socket has fillets; and the weight reduction sockets have a bottom edge length of 5-30 mm, a height of 15-60 mm, a top edge length of 5-15 mm, a base angle of 72-83°, and a depth of 1-5 mm.
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Patent Agency Ranking
公开(公告)号：US20200290396A1
公开(公告)日：2020-09-17
申请号：US16550155
申请日：2019-08-23
Applicant: CITIC Dicastal CO., LTD.
Inventor： Chuan CHENG , Changhai LI , Xu WANG , Hongbiao LI , Lin ZHU , Zhen LI , Yule ZHOU
Abstract: An automobile hub with a hollow rim includes a wheel disc and the rim with at least one hollow cavity, in which the rim includes at least two mutually nested rings and an axial end cap at the same ends of the at least two rings, and the hollow cavity consists of the rings and the axial end cap. The outer side of one end of the wheel disc includes axial rim mounting grooves, and the rim is inserted into the rim mounting grooves and fixed to the wheel disc through the end without the axial end cap. By employing the automobile hub with the hollow rim, the hub assembling method, and the automobile having the hub, the weight of the hub can be further reduced, and the hub has sufficient strength.
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公开(公告)号：US20190160523A1
公开(公告)日：2019-05-30
申请号：US16188723
申请日：2018-11-13
Applicant: CITIC Dicastal CO., LTD
Abstract: The present application provides a water-cooled mold for casting an aluminum alloy wheel, which is composed of a top mold, a side mold and a bottom mold, wherein a side mold insert is included between the side mold and the bottom mold, the inner surface of the side mold insert faces a cavity, and the upper surface and the lower surface are matched with the side mold frame respectively; the side mold insert is made of copper; the matching surface between the side mold insert and the side mold has a contact matching surface having a length of 10-15 mm at the edges of the inner ring and the outer ring respectively. And the side mold insert and the side mold form a gap which is 0.05-0.20 mm between the contact matching surfaces.
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公开(公告)号：US20180369901A1
公开(公告)日：2018-12-27
申请号：US15673707
申请日：2017-08-10
Applicant: CITIC Dicastal CO.,LTD
Abstract: A plunger for strengthening spoke root R angle cooling. A plunger main body is step-shaped and provided with a blind hole, and vent holes are uniformly distributed around the blind hole; an annular groove is formed in the plunger main body, and connects the blind hole with the vent holes; air outlet pipes are inserted into the blind hole, the distance between the air outlet pipes and the bottom of the blind hole is 1-1.5 times the radius of the blind hole, an annular air pipe connects the air inlet pipe with the air outlet pipes and distributes cooling air entering from an air inlet pipe to each air outlet pipe, and the diameter of the air inlet pipe is not smaller than two times that of the air outlet pipe.
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公开(公告)号：US20190299706A1
公开(公告)日：2019-10-03
申请号：US16203838
申请日：2018-11-29
Applicant: CITIC Dicastal CO., LTD.
Inventor： Zhen LI , Xu WANG , Kaiqing WANG , Yule ZHOU , Chuan CHENG , Changhai LI , Tiefeng HU , Hui CHI
IPC: B60B21/02
Abstract: A wheel and a rim with a weight reduction inner flange are provided. The rim includes an inner flange, a middle portion and an outer flange which are all annular and connected end to end to form an annular rim, in which the inner flange or the outer flange includes multiple groups of edge weight reduction sockets arranged side by side on one side of the inner cavity of a hub, and multiple groups of inner weight reduction sockets arranged side by side are provided inside the edge weight reduction sockets on the rim; a group of edge weight reduction sockets includes a first edge weight reduction socket and a second edge weight reduction socket at the edge of the inner flange or the outer flange, and the first edge weight reduction socket is in the shape of a right-angled triangle having round angles.
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公开(公告)号：US20190270337A1
公开(公告)日：2019-09-05
申请号：US16202245
申请日：2018-11-28
Applicant: CITIC Dicastal CO., LTD.
Inventor： Xu WANG , Zhen LI , Kaiqing WANG , Yule ZHOU , Chuan CHENG , Changhai LI , Tiefeng HU , Hui CHI
IPC: B60B21/02
Abstract: A wheel and a rim with weight reduction sockets are provided. The rim is made of an aluminum alloy and includes an inner flange, a middle portion and an outer flange, the inner flange, middle portion and outer flange are all annular and are connected end to end to form a cylindrical rim, in which weight reduction sockets are provided on the outer surface of the middle portion of the rim; the weight reduction sockets are rectangular ones, and are arranged in lattices in turn; and 3-5 rows of weight reduction sockets are arranged annularly on the outer surface of the middle portion of the rim.
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