Patents by Inventor Zhiyong Cui

Zhiyong Cui 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).

  • Publication number: 20220368205
    Abstract: One of the objects of the present invention is to provide a linear vibration motor which improves damping performance and reduces assembly costs. Accordingly, the present invention provides a linear vibration motor having a housing body with an inner cavity; a weight accommodated in the housing body; a stator located in the housing body; and an elastic member suspending the weight in the housing body. The elastic member includes a first elastic member having a first fixed part fixedly connected to one side of the weight and a first elastic bracket extending from the first fixed part, and a second elastic member fixedly connected to an opposite side of the weight a first damping glue locating between the first elastic member and the weight, and locating at one end of the first elastic bracket close to the first fixed part.
    Type: Application
    Filed: December 3, 2021
    Publication date: November 17, 2022
    Inventors: Jie Ma, Kejia Liu, Lubin Mao, Zhiyong Cui
  • Publication number: 20220368206
    Abstract: One of the objects of the present invention is to provide a linear vibration motor which improves damping performance and reduces assembly costs. Accordingly, the present invention provides a linear vibration motor having a box body with an inner cavity; a weight accommodated in the box body; a stator in the box body; an elastic member suspending the weight in the box body, including a first elastic member and a second elastic member fixedly connected to opposite sides of the weight; and a first damping glue locating between and abutting against the first elastic member and the weight. The first elastic member includes a first fixed part fixedly connected to the weight and a first elastic bracket extending from the first fixed part; the first damping glue locates at one end of the first elastic bracket close to the first fixed part.
    Type: Application
    Filed: December 3, 2021
    Publication date: November 17, 2022
    Inventors: Jie Ma, Kejia Liu, Lubin Mao, Zhiyong Cui
  • Publication number: 20220360156
    Abstract: One of the objects of the present invention is to provide a linear vibration motor which enhances vibration performance. To achieve the above-mentioned object, the present invention provides a linear vibration motor having a housing body with an accommodation space; a vibration unit accommodated in the accommodation space; an elastic member suspending the vibration unit in the accommodation space; and a coil assembly fixed to the housing body for driving the vibration unit to vibrate. The vibration unit includes a magnet assembly having a plurality of first magnets arranged along a vibration direction of the vibration unit, and at least one second magnet sandwiched between two adjacent first magnets, for forming a magnetic circuit.
    Type: Application
    Filed: December 3, 2021
    Publication date: November 10, 2022
    Inventors: Ziang Li, Yan Shao, Zhiyong Cui
  • Publication number: 20220352800
    Abstract: The present disclosure discloses a linear motor having a housing with an accommodation space, a vibration unit and a driving unit received in the accommodation. The vibrator unit includes a weight with a receiving space and a magnet unit fixed on the weight and inside the receiving space. The driving unit includes an iron core received in the receiving space, two pole pieces respectively fixed on two opposite ends of the iron core along a vibration direction and a coil wound around the iron core. A groove is provided on the pole piece and faces the magnet unit along a first direction perpendicular with the vibration direction. The distance between the pole piece and the magnet unit increases, effectively decreasing the magnetic attraction force between the pole piece and magnet unit and avoiding the non-linear vibration of the linear vibration motor.
    Type: Application
    Filed: December 6, 2021
    Publication date: November 3, 2022
    Inventors: Ziang Li, Lubin Mao, Zhiyong Cui, Jie Ma
  • Publication number: 20220320984
    Abstract: The present disclosure discloses a linear motor including a housing with an accommodation space, a vibrator and a stator received in the accommodation space and an elastic support fixed on the vibrator and configured to suspend the vibrator in the accommodation space; the stator includes a coil and a copper ring both opposite to the vibrator; the copper ring and the coil are arranged on two opposite sides of the vibrator separately along a first direction perpendicular with a vibration direction of the vibrator. The copper ring serves as a damper providing electromagnetic resilience for the vibrator, effectively improve the automation and efficiency of the manufacture of the linear vibration motor.
    Type: Application
    Filed: December 3, 2021
    Publication date: October 6, 2022
    Inventors: Ziang Li, Zhiyong Cui, Jie Ma, Lubin Mao
  • Patent number: 11462987
    Abstract: An embodiment of the present invention provides a vibration motor. The vibration motor includes a vibrating component movable along a vibration direction; a fixation component including a housing with an accommodation space; an elastic support part suspending the vibrating component in the accommodation space; and a number of limit blocks fixedly connected with the housing. Each of the limit blocks includes a first horizontal part and a second horizontal part. The second horizontal part extends from the first horizontal part towards the housing along the vibration direction.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: October 4, 2022
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Zhiyong Cui, Yun Tang
  • Patent number: 11462984
    Abstract: The present invention provides a linear vibration motor, including a housing having an accommodating space, a vibrator disposed in the accommodating space, and a coil fixed in the housing and driving the vibrator to move. The vibrator includes a magnetic circuit system. The linear vibration motor further includes a restoring assembly fixed to the housing. The restoring assembly is made of magnetic steel and is magnetized along a direction perpendicular to a direction in which the vibrator moves. Compared with an existing spring structure, in the linear vibration motor of the present disclosure, a magnetic interaction force is formed between a restoring assembly and a vibrator to restore a vibrator. In this way, an anti-humidity and anti-high-temperature effect of the restoring assembly is improved by replacing an interaction force of a spring with a magnetic interaction force.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: October 4, 2022
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Zhiyong Cui, Yun Tang, Jie Ma, Yao Wang
  • Publication number: 20220311319
    Abstract: One of the objects of the present disclosure is to provide a linear vibration motor which improves the rigidity of the whole system and ensures enhanced stability. The present disclosure provides a linear vibration motor having a housing body; a stator including at least two solenoid assemblies with parallel axes; a vibrator installed in the housing body; and an elastic connector suspending the vibrator in the housing body. The vibrator includes a first magnet assembly being located between two adjacent at least two solenoid assemblies and including a first magnet and a second magnet. Magnetization directions of the first magnet and the second magnet are opposite and parallel to an axial direction of the solenoid assembly.
    Type: Application
    Filed: December 30, 2021
    Publication date: September 29, 2022
    Inventors: Zhiyong Cui, Yao Wang, Lubin Mao, Yun Tang, Jie Ma
  • Publication number: 20220278599
    Abstract: The present disclosure provides a multi-solenoid linear vibration motor having a housing body with an accommodation space; a stator including N solenoid assemblies, where N is an integer not less than 2; a vibrator including N+1 pieces of axial magnet units; and an elastic connector. Each solenoid assembly locates between two adjacent axial magnet units. A length of the axial magnet unit is greater than a length of the solenoid assembly. A magnetizing direction of the axial magnet unit is perpendicular to the axial direction of the solenoid assembly. A polarity of the magnetic pole on a side of the central area is opposite to a polarity of the magnetic pole. The adjacent axial magnet units are opposite to each other with the same poles facing each other; energization directions of the adjacent solenoid assemblies are opposite. Driving force is accordingly improved.
    Type: Application
    Filed: December 31, 2021
    Publication date: September 1, 2022
    Inventors: Zhiyong Cui, Lubin Mao, Jie Ma, Ziang Li, Kejia Liu
  • Publication number: 20220203401
    Abstract: The present disclosure provides a linear motor having a housing with an accommodation space; a vibrator accommodated in the accommodation space; and a first stator locating opposite to the vibrator and fixed to the housing. The first stator includes a first circuit board opposite to the vibrator, a first coil on a the side of the first circuit board close to the vibrator, and a first magnetic conductive sheet locating on a side of the first circuit board away from the vibrator. The linear motor further has a spring bracket supporting the vibrator in the accommodation space. The present invention is to provide a linear motor which improves the space utilization of the linear motor in a thickness direction.
    Type: Application
    Filed: December 13, 2021
    Publication date: June 30, 2022
    Inventors: Kejia Liu, Jie Ma, Lubin Mao, Zhiyong Cui
  • Patent number: 11374476
    Abstract: A linear vibration motor includes a housing with a receiving space, a vibrator received in the receiving space, a coil for driving the vibrator to vibrate, a guide member for guiding movement of the vibrator, and a recover assembly fixed to a side of the vibrator. The vibrator includes a magnetic circuit system with first and second magnets. The recover assembly is closed to the first magnet. A magnetic polarity of an end of the magnetic recovery assembly facing the vibrator is reverse to that of an end of the first magnet away from the second magnet. When the vibrator is in an equilibrium position, a centroid of the vibrator is located between the magnetic recovery assembly and the coil. Magnetic force between the magnetic recovery assembly and the magnetic circuit system provides recovery force for the vibrator, thereby realizing large-stroke vibration.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: June 28, 2022
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Zhiyong Cui, Yun Tang, Jie Ma, Yao Wang, Lubin Mao
  • Publication number: 20220200430
    Abstract: The present disclosure provides a linear motor including: a housing body with a containment space; a vibrator assembly suspended in the containment space by an elastic member for vibrating along a vibration direction; a stator assembly fixedly connected to the housing body and having a magnetic axis along the vibration direction; and two magnets located on both sides of the magnetic axis and spaced from the stator assembly, including a first magnet section and a second magnet section located on both sides of the first magnet section. A magnetic field strength of the first magnet section along the magnetic axis is greater than a magnetic field strength of the second magnet section along the magnetic axis. The configuration of the disclosure can effectively reduce the static attraction force of the magnetic circuit, and increase the overall rigidity of the linear motor.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 23, 2022
    Inventors: Zhiyong Cui, Lubin Mao, Jie Ma, Kejia Liu, Ziang Li
  • Publication number: 20220200427
    Abstract: The present disclosure discloses a linear motor including a housing with an accommodation space, a vibrator, a stator, an elastic member and a flexible printed circuit board; the vibrator includes an iron core with an axis direction, s a coil wounded around the iron core and a fixing member fixed on the iron core; the flexible printed circuit board is fixed on the fixing member. The fixing member serves as a bridge between the coil and the flexible printed circuit board, thus improving the fixation stability between the coil and the flexible printed circuit board and effectively avoiding disconnection of the coil.
    Type: Application
    Filed: December 6, 2021
    Publication date: June 23, 2022
    Inventors: Jie Ma, Lubin Mao, Kejia Liu, Zhiyong Cui
  • Patent number: 11264882
    Abstract: The present application discloses a vibrating motor, which includes a housing having a receiving cavity, a stator received in the receiving cavity, a vibrator received in the receiving cavity, and a flexible assembly received in the receiving cavity. The flexible assembly is configured for elastically supporting the vibrator. The housing includes a top wall, a bottom wall facing the top wall, and a side wall connecting the top wall and the bottom wall. The stator includes an iron core, a coil sleeved on the iron core, and pole shoes positioned at two ends of the iron core. Each the pole shoe has a surface close to the iron core recessed to form an avoiding portion, and the iron core is inserted in the avoiding portion.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: March 1, 2022
    Assignee: AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    Inventors: Tao Zhang, Zhiyong Cui
  • Publication number: 20210021185
    Abstract: The present invention provides a linear vibration motor, including a housing having an accommodating space, a vibrator disposed in the accommodating space, and a coil fixed in the housing and driving the vibrator to move. The vibrator includes a magnetic circuit system. The linear vibration motor further includes a restoring assembly fixed to the housing. The restoring assembly is made of magnetic steel and is magnetized along a direction perpendicular to a direction in which the vibrator moves. Compared with an existing spring structure, in the linear vibration motor of the present disclosure, a magnetic interaction force is formed between a restoring assembly and a vibrator to restore a vibrator. In this way, an anti-humidity and anti-high-temperature effect of the restoring assembly is improved by replacing an interaction force of a spring with a magnetic interaction force.
    Type: Application
    Filed: August 17, 2020
    Publication date: January 21, 2021
    Inventors: Zhiyong Cui, Yun Tang, Jie Ma, Yao Wang
  • Publication number: 20210021186
    Abstract: A linear vibration motor includes a housing with a receiving space, a vibrator received in the receiving space, a coil for driving the vibrator to vibrate, a guide member for guiding movement of the vibrator, and a recover assembly fixed to a side of the vibrator. The vibrator includes a magnetic circuit system with first and second magnets. The recover assembly is closed to the first magnet. A magnetic polarity of an end of the magnetic recovery assembly facing the vibrator is reverse to that of an end of the first magnet away from the second magnet. When the vibrator is in an equilibrium position, a centroid of the vibrator is located between the magnetic recovery assembly and the coil. Magnetic force between the magnetic recovery assembly and the magnetic circuit system provides recovery force for the vibrator, thereby realizing large-stroke vibration.
    Type: Application
    Filed: August 17, 2020
    Publication date: January 21, 2021
    Inventors: Zhiyong Cui, Yun Tang, Jie Ma, Yao Wang, Lubin Mao
  • Publication number: 20200412225
    Abstract: The invention provides a vibration motor having a housing assembly, an elastic connector, a pole plate, a plurality of magnets and a plurality of coils. The coils and the magnets are matched to drive the pole plate to move in at least two directions within the housing assembly. The coils are arranged on the outer side of the pole plate and fixed on the housing assembly so as to be suitable for a small-size vibration motor, then limitation of coil sizes is effectively avoided. Arrangement of the coils is facilitated, and process flows of the vibration motor during specific assembly can be optimized.
    Type: Application
    Filed: August 16, 2020
    Publication date: December 31, 2020
    Inventors: Zhiyong Cui, Jie Ma
  • Publication number: 20200412224
    Abstract: The present invention provides a vibration motor including: a housing having a receiving space; a vibrator received in the receiving space; coils configured to drive the vibrator to reciprocate; and two stop assemblies received in the receiving space and spaced apart from each other, the vibrator reciprocates between the two stop assemblies and includes first magnets spaced apart from each other and at least one second magnet arranged between the first magnets, every two adjacent first magnets of the first magnets have opposite magnetization directions, and a magnetization direction of the second magnets is perpendicular to a magnetization direction of the at least one first magnet. Compared with the related art, the vibration motor provided by the present invention has higher reliability.
    Type: Application
    Filed: August 2, 2020
    Publication date: December 31, 2020
    Inventors: Jie Ma, Zhiyong Cui
  • Publication number: 20200212785
    Abstract: An embodiment of the present invention provides a vibration motor. The vibration motor includes a vibrating component movable along a vibration direction; a fixation component including a housing with an s accommodation space; an elastic support part suspending the vibrating component in the accommodation space; and a number of limit blocks fixedly connected with the housing. Each of the limit blocks includes a horizontal part and a vertical part. The vertical part extends from the horizontal part towards the housing along the vibration direction. The vibration motor provided by the present invention can effectively solve the problem that the vibration motor loses function because of the collision between the vibrating component and the housing.
    Type: Application
    Filed: December 9, 2019
    Publication date: July 2, 2020
    Inventors: Zhiyong Cui, Yun Tang
  • Publication number: 20200195116
    Abstract: The present application discloses a vibrating motor, which includes a housing having a receiving cavity, a stator received in the receiving cavity, a vibrator received in the receiving cavity, and a flexible assembly received in the receiving cavity. The flexible assembly is configured for elastically supporting the vibrator. The housing includes a top wall, a bottom wall facing the top wall, and a side wall connecting the top wall and the bottom wall. The stator includes an iron core, a coil sleeved on the iron core, and pole shoes positioned at two ends of the iron core. Each the pole shoe has a surface close to the iron core recessed to form an avoiding portion, and the iron core is inserted in the avoiding portion.
    Type: Application
    Filed: November 29, 2019
    Publication date: June 18, 2020
    Inventors: Tao Zhang, Zhiyong Cui