公开(公告)号：US10658914B2

公开(公告)日：2020-05-19

申请号：US15752187

申请日：2015-12-15

Applicant: GOERTEK INC.

Inventor： Fenglei Zu ,  Chunfa Liu

IPC: H02K33/18 ,  H02K33/16 ,  B06B1/04 ,  H02K33/14 ,  H02K35/02

Abstract: A magnetic balance guided linear vibration motor comprising a housing (1, 2), a vibrator, and a stator fixedly connected with the housing. The vibrator comprises a counterweight (31) and a vibrating block embedded and fixed in the counterweight, wherein a pair of first balancing magnets (61a, 61b) are respectively arranged on vertical sidewalls at two ends of the counterweight, second balancing magnets (62a, 62b) corresponding to the first balancing magnets are respectively arranged on the housing at positions corresponding to the two ends of the counterweight, and the second balancing magnets and the corresponding first balancing magnets are attracted to each other. The vibration motor provides the vibrator with vibration balance in a motor vibration space, overcomes the problem of wearing, deformation and balance error and the like due to motor mechanical balance means, and reduces motor noise, thus increasing the product quality and stability of the motor.

公开(公告)号：US20180358879A1

公开(公告)日：2018-12-13

申请号：US15778816

申请日：2016-05-20

Applicant: Goertek Inc.

Inventor： Chunfa Liu ,  Fenglei Zu

IPC: H02K33/02 ,  H02K33/18 ,  H02K5/04 ,  H02K1/34

CPC classification number: H02K33/02 ,  F16F2224/02 ,  H02K1/34 ,  H02K5/04 ,  H02K33/18

Abstract: A linear vibration motor comprises: a motor housing, a stator, a vibrator, and at least two sets of elastic support assemblies for suspending the vibrator in the motor housing and for supporting the vibrator and providing an elastic restoring force. The elastic support assemblies are located between the inner wall of the motor housing and the vibrator, each set of the elastic support assemblies comprising at least two elastic supports. The elastic support comprises a first connection point fixedly connected to the vibrator and a second connection point fixedly connected to the inner wall of the motor housing. The second connection point is coupled to a side wall of the motor housing parallel to the vibration direction of the vibrator. The first connection point and the second connection point of the elastic support are located at the same side of the central axis of the vibrator parallel to the vibration direction of the transducer. The structure of the linear vibration motor is simplified, the vibration support assemblies have better vibration effect, and give the user a good experience.