Automatic delivery system for a washing machine and washing machine

    公开(公告)号:US11434597B2

    公开(公告)日:2022-09-06

    申请号:US16606095

    申请日:2018-04-17

    IPC分类号: D06F39/02 D06F39/08

    摘要: An automatic delivery system for a washing machine, and a washing machine, are provided. The automatic delivery system comprises: a water box provided with a main water inlet pipeline and a detergent delivery pipeline; a distribution box arranged inside the water box and provided with at least one installation cavity for accommodating a washing additive box; the washing additive box being installed in the installation cavity, and being provided with an unidirectional ventilation structure and a liquid outlet, and a negative pressure extraction mechanism, the negative pressure extraction mechanism comprising a Venturi tube arranged in the main water inlet pipeline, the washing additive being drawn out of the washing additive box and delivered into the washing barrel by a negative pressure generated by water flow through an outlet of the Venturi tube.