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[CN 201880013183.7] Dishwasher with hydraulic mechanism for cleaning filter device and method


[CN 201880013183.7] Dishwasher with hydraulic mechanism for cleaning filter device and method Title: Dishwasher with hydraulic mechanism for cleaning filter device and method Application number: CN 201880013183.7 Applicant: BSH Household Appliances Co., Ltd. Application date: 2018-2-9 Patent type: Invention application The present invention relates to a dishwasher (1), especially a household dishwasher, which has: a first hydraulic mechanism (31) for flushing a flushing substance contained in a flushing container (2) by means of a flushing liquid, the first hydraulic unit (31) has a spray device (14) arranged in the flushing container (2), a pump tank (15) arranged below the flushing container (2), a filter device (16) arranged in the flushing container (2) and/or the pump tank (15) for filtering the flushing liquid, and a circulation pump (18), the circulation pump is designed to circulate the flushing liquid to the spraying device (14); and the second hydraulic means (32) for cleaning the filter device (16) by means of a cleaning liquid, the second hydraulic means (32) has a filter device (16), a pump tank (15), a pump mechanism (18, 19), a storage device (22) for receiving cleaning liquid, a cleaning device (17) for spraying at least one section of the filter device (16) with cleaning liquid, and a pressure for applying the cleaning liquid arranged between the storage device (22) and the cleaning device (17). The additional pump (20). The invention also relates to an operating method for operating a dishwasher.