Samsung Electronics Co., Ltd.

Keun Young Yoon

Young Kwan Kim

Su Kwon Jeong

Byung Ryel In

Woong Lin Hwang

Myung Bae Bang

Deok Jin Kim

Sung Gu Lee

Kwang Soo Kim

Jong Jin Park

Jae Woong Jung

Woon Yong Lee

Mohammad Ali

Disclosed herein are a motor assembly and a cleaner having the same. The motor assembly includes a rotor configured to rotate and a stator configured to electromagnetically interact with the rotor. The stator includes a pair of stator bodies disposed to be symmetrical to each other with the rotor in between, each stator body having at least two stator cores arranged in parallel to each other.

Motor assembly and cleaner having same

Disclosed herein are a rotor and a method of manufacturing the rotor. The rotor includes a rotor assembly including magnets and rotor cores, and a molding unit including a first molding unit disposed by being firstly injection molded to support the rotor assembly before the magnets are magnetized and a second molding unit disposed by being secondly injection molded to support the rotor assembly after the magnets are magnetized.

Rotor and method of manufacturing same

A motor assembly having an internal channel passing an interior of a rotor, and a method for producing the same are provided. The motor assembly includes an adhesive flowing along the internal channel, and the rotor can be firmly coupled and improving durability and production efficiency of the rotor.

Motor assembly and method for providing the same

The present invention provides a motor and a washing machine including the same. The motor according to an embodiment of the present invention includes a hall sensor which is positioned on the upper surface of a rotor and detects the position of a magnet provided in the rotor by using the leakage magnetic flux of the magnet, and thereby can accurately detect the position of the rotor by the hall sensor.

Motor and washing machine having the same

Disclosed herein is a washing machine having an improved structure that maintains efficiency over a certain level both in washing and dehydration. The washing machine includes a body, a tub disposed within the body, a drum rotatably disposed within the tub, and a motor coupled to a rear surface of the tub to drive the drum. The motor includes a stator including a plurality of stator cores and a plurality of magnets arranged between the stator cores, and a rotor rotatably disposed at an inner side or outer side of the stator.

A motor includes an enhanced strength of a stator, the stator being formed with a plurality of core plates stacked one on top of another, and a rotor rotatably disposed at an inner side or at an outer side of the stator. Each core plate includes a body provided in a shape of an arc, a plurality of teeth radially extended from the body, and having a coil wound thereto, at least one first slit part formed on the body by being slit in a radial direction of the body, and at least one second slit part formed on the body by being slit in a circumferential direction of the body.

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.

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 washing machine and a method for controlling the same are disclosed. The washing machine detects a back electromotive force of a washing motor, and controls output of an alarm sound by analyzing periodicity of a waveform period of the back electromotive force. The washing machine determines whether a child or pet is in a drum washing machine on the basis of the back electromotive force generated from the washing motor, and informs a user or guardian of the determined result.

Growing community of inventors

Osan-si, South Korea

Keun Young Yoon