Samsung Electronics Co., Ltd.

Sung Gu Lee

Young Kwan Kim

Su Kwon Jeong

Woong Lin Hwang

Keun Young Yoon

Uk Ho Seo

Dong San Jun

Byung Ryel In

Myung Bae Bang

Jae Woong Jung

Moon Gyung Kim

Yong Woo Nam

Disclosed is a motor comprising a stator and a rotor, wherein the rotor comprises a plurality of rotor cores and a plurality of magnets, and wherein the magnet is configured to have a face facing the center of rotation of the rotor exposed. Accordingly, a motor may minimize a non-magnetization area and enable a magnet to be fully magnetized, when it comes to post magnetization of the magnet.

Magnetic motor with stator and rotor

A motor that includes a stator having an improved structure is provided. The motor includes a stator that includes stator cores wound with a coil, a rotor disposed in the stator and configured to interact with the stator and to rotate, a shaft mounted on the rotor and configured to rotate with the rotor, a printed circuit board (PCB) electrically connected to the coil, an insulator formed of an insulating material and mounted on the stator, and a terminal pin mounted on the insulator to connect the coil with the PCB. A terminal pin accommodating portion that protrudes in an extension direction of the shaft is provided in one side of the insulator and the terminal pin is accommodated in the terminal pin accommodating portion.

Motor that includes a stator having an improved structure

A motor realizes mechanical field-weakening control by controlling the leakage magnetic flux from the rotor cores of the motor. The motor includes a stator, a rotor including rotor cores circumferentially spaced apart from one another inside the stator and permanent magnets disposed between the respective rotor cores which extend radially from the stator, and a magnetic flux adjustment unit including a ring-shaped main frame, magnetic substance portions extending from the main frame so as to be circumferentially spaced apart from one another and non-magnetic regions defined between the magnetic substance portions. The magnetic flux adjustment unit is rotatable to control the leakage magnetic flux from the rotor cores.

Motor including a rotor and magnetic flux adjustment unit to change an amount of magnetic flux generated by the rotor

A motor having a structure capable of achieving an enhancement in durability and a washing machine, to which the motor is applied. The motor includes a stator including a plurality of stator cores arranged in a circumferential direction, and coils respectively wound around the stator cores, and a rotor rotatably arranged inside or outside the stator. The rotor includes a plurality of rotor cores arranged in a circumferential direction of the rotor, a plurality of magnets each disposed between neighboring ones of the rotor cores, a molded body having a bridge to support the plurality of rotor cores and the plurality of magnets, and a coupler including coupling ribs outwardly extending from an outer circumferential surface of the bridge in a radial direction of the rotor, and coupling grooves formed at inner ends of the rotor cores supported by the bridge, to receive the coupling ribs, respectively.

Motor and washing machine having the same

A motor having a structure capable of achieving a reduction in magnetic flux leakage occurring at a rotor and a washing machine, to which the motor is applied. The motor includes a stator including a plurality of stator cores arranged in a circumferential direction, and coils respectively wound around the stator cores, and a rotor rotatably arranged inside the stator. The rotor includes a plurality of rotor cores arranged in a circumferential direction of the rotor, a plurality of magnets each disposed between neighboring ones of the rotor cores such that the magnet extends in an axial direction of the rotor outwardly of upper and lower surfaces of the neighboring rotor cores, and a molded body to support the plurality of rotor cores and the plurality of magnets. The molding body includes a shaft hole, to which a motor shaft is coupled.

Motor having rotor cores with protrusions to prevent magnetic flux leakage

A word line driving circuit for use in a semiconductor memory device having a first supply voltage terminal to which a pumping voltage higher than a supply voltage supplied from the exterior of a chip is applied and a second supply voltage terminal to which a ground voltage is applied includes a decoding circuit connected between the first supply voltage terminal and second supply voltage terminal, for receiving a decoded row address, a precharge circuit connected to an output terminal of the decoding circuit, a transfer circuit for receiving an output signal of the decoding circuit and a word line boosting signal, and a word line output circuit connected between the first supply voltage terminal and second supply voltage terminal, for driving a word line.

Growing community of inventors

Anyang-si, South Korea

Sung Gu Lee