Washing machine

• Main Authors: Yoon, Seongno, An, Yongjun
• Format: Patent
• Language: English
• Published: 14.05.2020
• Subjects: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; GENERATION; LAUNDERING; LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILEARTICLES; TEXTILES; TREATMENT OF TEXTILES OR THE LIKE

In one aspect of the present disclosure, there is provided a washing machine comprising: a casing; an outer tub disposed inside the casing for receiving washing-water therein; an inner tub disposed inside the outer tub for receiving laundry therein; a pulsator disposed inside the inner tub so as to rotate via receiving a driving force; and a driving mechanism configured to provide the driving force to rotate the inner tub and the pulsator, wherein the driving mechanism includes: a drive motor including a stator and a rotor; a bearing housing disposed under the outer tub; a hollow spinning shaft having a lower end adjacent to the rotor and an upper end coupled to the inner tub; a coupler moving upwardly or downwardly along an outer circumferential face of the lower end of the spinning shaft for selectively connecting the spinning shaft to the rotor; a washing shaft received within the hollow spinning shaft, wherein the washing shaft has a lower end connected to the rotor, and an upper end connected to the pulsator to rotate the pulsator; and an anti-friction member interposed between the spinning shaft and the washing shaft. 133 121 172 173 160-Z 180- 183 190-' 184