Patents by Inventor Dexi DU
Dexi DU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11878553Abstract: The present disclosure provides a compound wheel assembling apparatus including a tensioning and fixing component and a locating ring; the tensioning and fixing component is arranged to extend into a center hole of a flange to tension and fix a flange; the tensioning and fixing component includes a base plate, a flange plate, springs, expanding petals and an expanding core; the locating ring is arranged around the base plate, and has a center axis overlapping a center axis of the base plate; the locating ring has a circle of circular-ring-shaped protrusion on its outer side.Type: GrantFiled: November 25, 2019Date of Patent: January 23, 2024Assignee: CITIC Dicastal CO., LTD.Inventors: Weidong Liu, Minglei Li, Dexi Du, Shaoqian Wang, Xiaomian Sun, Shiwen Xu
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Patent number: 11801709Abstract: A composite wheel includes a rim, a connecting ring, a plurality of spokes and a flange all connected in sequence from the outside to the inside. One end of each spoke is provided with a thread, and the other end of each spoke is provided with a first mounting hole.Type: GrantFiled: December 13, 2019Date of Patent: October 31, 2023Assignee: CITIC DICASTAL CO., LTD.Inventors: Weidong Liu, Minglei Li, Dexi Du
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Patent number: 11305577Abstract: A lightweight wheel is provided, which includes a flange, a plurality of titanium alloy spokes and a carbon fiber rim, herein the flange is positioned at a middle part of the carbon fiber rim, the plurality of titanium alloy spokes are connected between the flange and the carbon fiber rim, and the plurality of titanium alloy spokes are uniformly distributed in pairs along the circumference; and one end of each of the titanium alloy spokes combined in pairs is fixed on the flange in a centralized mode, and another end is fixed separately at the carbon fiber rim, making the titanium alloy spokes combined in pairs a fan shape. An automobile is also provided.Type: GrantFiled: November 25, 2019Date of Patent: April 19, 2022Assignee: CITIC DICASTAL CO., LTD.Inventors: Weidong Liu, Dexi Du, Shaoqian Wang, Minglei Li, Xiaomian Sun, Shiwen Xu
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Patent number: 11210973Abstract: Disclosed is a wheel dynamic imaging display rack which comprises a frame. A sleeve is fixed to the frame. A hollow shaft motor is fixed to the sleeve. The hollow shaft of the hollow shaft motor is fixedly connected to the wheel through the sleeve, the hollow shaft motor can drive the flange, the wheel and the LED lamp blade to rotate, and clear images are shown in the LED lamp blade.Type: GrantFiled: December 2, 2019Date of Patent: December 28, 2021Assignee: CITIC Dicastal CO., LTD.Inventors: Weidong Liu, Shiwen Xu, Dexi Du
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Patent number: 10940885Abstract: A steering knuckle of a vehicle turning wheel, a steering device and a vehicle. The steering knuckle includes a steering end connected to a turning wheel and a driving end connected to a steering driving component of the turning wheel, in which the driving end is located above or below the side of the steering end; the steering end is provided with a first connecting hole, and the driving end is provided with a second connecting hole; the axis of the second connecting hole and the axis of the first connecting hole are in the same plane, and the axis of the second connecting hole is not parallel to the axis of the first connecting hole.Type: GrantFiled: April 23, 2019Date of Patent: March 9, 2021Assignee: CITIC Dicastal CO., LTD.Inventors: Zuo Xu, Dexi Du, Dadong Wang, Weidong Liu, Shaoqian Wang, Shiwen Xu, Zhihua Zhu
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Publication number: 20200406677Abstract: The present disclosure provides a compound wheel assembling apparatus including a tensioning and fixing component and a locating ring; the tensioning and fixing component is arranged to extend into a center hole of a flange to tension and fix a flange; the tensioning and fixing component includes a base plate, a flange plate, springs, expanding petals and an expanding core; the locating ring is arranged around the base plate, and has a center axis overlapping a center axis of the base plate; the locating ring has a circle of circular-ring-shaped protrusion on its outer side.Type: ApplicationFiled: November 25, 2019Publication date: December 31, 2020Inventors: Weidong Liu, Minglei Li, Dexi Du, Shaoqian Wang, Xiaomian Sun, Shiwen Xu
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Publication number: 20200406673Abstract: A composite wheel includes a rim, a connecting ring, a plurality of spokes and a flange all connected in sequence from the outside to the inside. One end of each spoke is provided with a thread, and the other end of each spoke is provided with a first mounting hole.Type: ApplicationFiled: December 13, 2019Publication date: December 31, 2020Inventors: Weidong LIU, Minglei LI, Dexi DU
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Publication number: 20200406670Abstract: A lightweight wheel is provided, which includes a flange, a plurality of titanium alloy spokes and a carbon fiber rim, herein the flange is positioned at a middle part of the carbon fiber rim, the plurality of titanium alloy spokes are connected between the flange and the carbon fiber rim, and the plurality of titanium alloy spokes are uniformly distributed in pairs along the circumference; and one end of each of the titanium alloy spokes combined in pairs is fixed on the flange in a centralized mode, and another end is fixed separately at the carbon fiber rim, making the titanium alloy spokes combined in pairs a fan shape. An automobile is also provided.Type: ApplicationFiled: November 25, 2019Publication date: December 31, 2020Inventors: Weidong LIU, Dexi DU, Shaoqian WANG, Minglei LI, Xiaomian SUN, Shiwen XU
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Publication number: 20200410912Abstract: Disclosed is a wheel dynamic imaging display rack which comprises a frame. A sleeve is fixed to the frame. A hollow shaft motor is fixed to the sleeve. The hollow shaft of the hollow shaft motor is fixedly connected to the wheel through the sleeve, the hollow shaft motor can drive the flange, the wheel and the LED lamp blade to rotate, and clear images are shown in the LED lamp blade.Type: ApplicationFiled: December 2, 2019Publication date: December 31, 2020Inventors: Weidong LIU, Shiwen XU, Dexi DU
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Patent number: 10807160Abstract: The present application discloses an aluminum alloy low-pressure casting device and an aluminum alloy low-pressure casting process. A riser tube is canceled, and the pressure kettle replaces original injection of compressed air into a holding furnace, thereby reducing the consumption of compressed air, and improving the production efficiency of the low-pressure casting process. A non-return stopper is used to space the low-pressure casting and the holding furnace, and molten aluminum alloy can be added into the holding furnace in real time without interrupting the low-pressure casting process, so that rejects affected by temperature field changes due to interrupt of the continuous casting process can be reduced, and the yield of the casting process is improved.Type: GrantFiled: July 31, 2018Date of Patent: October 20, 2020Assignee: CITIC DICASTAL CO., LTDInventors: Dexi Du, Changhai Li
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Patent number: 10758973Abstract: Disclosed is an aluminum alloy wheel squeeze casting process and an aluminum alloy wheel squeeze casting device. Molten aluminum is injected into a mold cavity from the bottom by adopting a U-shaped pipe, so that the filling is stable and the quality problem of the pore defect of a squeeze cast rim is solved; the squeeze deformation effect of the rim is strengthened using a mold locking ring; and through a secondary pressurization process for the center of the aluminum wheel, the internal dendritic spacing of the aluminum wheel casting is reduced, the yield strength and the elongation in the material mechanical properties of the casting are improved, and a necessary technical foundation is provided for overall weight reduction of the aluminum wheel.Type: GrantFiled: August 8, 2018Date of Patent: September 1, 2020Assignee: CITIC DICASTAL CO., LTDInventors: Dexi Du, Changhai Li, Yongwang Zhao
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Patent number: 10695828Abstract: Disclosed is a continuous casting and continuous forging forming process for an aluminum wheel. The process combines the advantage of low-pressure filling stability of molten aluminum alloy, and utilizes the strengthening effect of extrusion deformation forging of a side mold locking ring and a pressure module to improve the mechanical properties of an aluminum wheel material to close to the forging level. A mold cavity is sealed by means of the side mold locking ring and a center mold locking taper, and the extrusion forging pressure acts on the surface of the aluminum alloy in the closed mold cavity, so that the requirement of equipment for mold closing tonnage is lowered, and the cost of the equipment is far lower than that of forging equipment and equivalent to that of casting equipment.Type: GrantFiled: August 8, 2018Date of Patent: June 30, 2020Assignee: CITIC DICASTAL CO., LTDInventors: Dexi Du, Zhihua Zhu
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Patent number: 10596623Abstract: The present application discloses a low-pressure casting secondary pressure process for an aluminum wheel. The characteristics of smooth low-pressure filling of molten aluminum alloy and rapid solidification of a rim are preserved, the aluminum alloy at a center sprue is frozen by using a center sprue spreader and a forced water coolling to close a mold cavity, and secondary pressure is implemented to the aluminum wheel by means of down-movement of center extrusion rods, so that the material mechanical properties of an aluminum wheel casting and the production efficiency of the casting process are improved.Type: GrantFiled: August 8, 2018Date of Patent: March 24, 2020Assignee: CITIC DICASTAL CO., LTDInventors: Dexi Du, Zhihua Zhu
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Publication number: 20200070883Abstract: A steering knuckle of a vehicle turning wheel, a steering device and a vehicle. The steering knuckle includes a steering end connected to a turning wheel and a driving end connected to a steering driving component of the turning wheel, in which the driving end is located above or below the side of the steering end; the steering end is provided with a first connecting hole, and the driving end is provided with a second connecting hole; the axis of the second connecting hole and the axis of the first connecting hole are in the same plane, and the axis of the second connecting hole is not parallel to the axis of the first connecting hole.Type: ApplicationFiled: April 23, 2019Publication date: March 5, 2020Inventors: Dexi Du, Dadong Wang, Weidong Liu, Shaoqian Wang, Shiwen Xu, Zhihua Zhu
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Publication number: 20200070878Abstract: A vehicle steering control system, a vehicle and a control method. The vehicle steering control system includes a steering wheel, a steering control component, a first rotation detecting component for detecting the rotation data of the steering wheel, and at least two wheel steering mechanisms; each wheel steering mechanism includes a wheel axle, a steering knuckle and at least one steering driving component; the wheel axle is fixedly connected with the steering knuckle, and the wheel axle rotates horizontally with the horizontal rotation of the steering knuckle; the steering knuckle is connected with the steering driving component, and the steering knuckle rotates horizontally under the drive of the steering driving component.Type: ApplicationFiled: April 23, 2019Publication date: March 5, 2020Inventors: Dexi DU, Dadong Wang, Weidong Liu, Shaoqian Wang, Shiwen Xu, Zhihua Zhu
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Publication number: 20200070871Abstract: A vehicle steering wheel assembly includes a steering wheel, a control component, a rotation measuring component for measuring the rotation condition of the steering wheel, and a road sense simulator for applying a resistance torque to the rotation of the steering wheel according to the rotation condition of the steering wheel; a steering column is disposed under the steering wheel, in which the upper end of the steering column is connected to the steering wheel, and the lower end of the steering column is connected to the road sense simulator, and the road sense simulator is fixed to the vehicle body of the vehicle. The rotation measuring component and the road sense simulator are both connected to the control component, and the control component controls the road sense simulator to apply the resistance torque to the rotation of the steering wheel according to measurement data of the rotation measuring component.Type: ApplicationFiled: April 22, 2019Publication date: March 5, 2020Inventors: Dexi DU, Dadong WANG, Weidong LIU, Shaoqian WANG, Shiwen XU, Zhihua ZHU
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Publication number: 20190283120Abstract: The present application discloses an aluminum alloy low-pressure casting device and an aluminum alloy low-pressure casting process. A riser tube is canceled, and the pressure kettle replaces original injection of compressed air into a holding furnace, thereby reducing the consumption of compressed air, and improving the production efficiency of the low-pressure casting process. A non-return stopper is used to space the low-pressure casting and the holding furnace, and molten aluminum alloy can be added into the holding furnace in real time without interrupting the low-pressure casting process, so that rejects affected by temperature field changes due to interrupt of the continuous casting process can be reduced, and the yield of the casting process is improved.Type: ApplicationFiled: July 31, 2018Publication date: September 19, 2019Applicant: CITIC Dicastal CO., LTDInventors: Dexi DU, Changhai LI
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Publication number: 20190283121Abstract: Disclosed is an aluminum alloy wheel squeeze casting process and an aluminum alloy wheel squeeze casting device. Molten aluminum is injected into a mold cavity from the bottom by adopting a U-shaped pipe, so that the filling is stable and the quality problem of the pore defect of a squeeze cast rim is solved; the squeeze deformation effect of the rim is strengthened using a mold locking ring; and through a secondary pressurization process for the center of the aluminum wheel, the internal dendritic spacing of the aluminum wheel casting is reduced, the yield strength and the elongation in the material mechanical properties of the casting are improved, and a necessary technical foundation is provided for overall weight reduction of the aluminum wheel.Type: ApplicationFiled: August 8, 2018Publication date: September 19, 2019Applicant: CITIC Dicastal CO., LTDInventors: Dexi DU, Changhai LI, Yongwang ZHAO
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Publication number: 20190283123Abstract: Disclosed is a continuous casting and continuous forging forming process for an aluminum wheel. The process combines the advantage of low-pressure filling stability of molten aluminum alloy, and utilizes the strengthening effect of extrusion deformation forging of a side mold locking ring and a pressure module to improve the mechanical properties of an aluminum wheel material to close to the forging level. A mold cavity is sealed by means of the side mold locking ring and a center mold locking taper, and the extrusion forging pressure acts on the surface of the aluminum alloy in the closed mold cavity, so that the requirement of equipment for mold closing tonnage is lowered, and the cost of the equipment is far lower than that of forging equipment and equivalent to that of casting equipment.Type: ApplicationFiled: August 8, 2018Publication date: September 19, 2019Applicant: CITIC Dicastal CO., LTDInventors: Dexi DU, Zhihua ZHU
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Publication number: 20190283122Abstract: The present application relates to a low-pressure casting multi-sprue process and device for an aluminum alloy wheel. A multi-sprue casting method is adopted, and a plurality of sprues are arranged at the end of the inner flange of a wheel, so that molten aluminum enters at the inner flange first, then enters from a center sprue after a mold cavity at the rim is full of the molten aluminum. The mold assembly is pressurized and cooled after the mold cavity is full of the molten aluminum. During cooling, starting from the outer flange of the wheel filled with the molten aluminum last, side mold ring water coolers are started.Type: ApplicationFiled: August 8, 2018Publication date: September 19, 2019Applicant: CITIC Dicastal CO., LTDInventors: Dexi DU, Changhai LI