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公开(公告)号：US11647886B2
公开(公告)日：2023-05-16
申请号：US17563298
申请日：2021-12-28
IPC分类号： A47L15/42
CPC分类号： A47L15/4223 , A47L15/4225
摘要： A check valve assembly for a drain pump configured to transfer fluid from a sump, through a volute having a pump discharge passageway extending from the volute, includes a seat assembly and a flapper assembly. The seat assembly has a body with a first distal end and a second distal end, and a fluid passage extending through the body. The body defines a valve seat having a sealing surface about the fluid passage. The flapper assembly is operably coupled to the seat assembly. The flapper assembly has a moveable portion configured to selectively move between a closed position where the moveable portion seals against the sealing surface and an opened position where the moveable portion raises to allow liquid through the fluid passage. The check valve assembly is configured to be located within the pump discharge passageway.
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公开(公告)号：US20220117460A1
公开(公告)日：2022-04-21
申请号：US17563298
申请日：2021-12-28
IPC分类号： A47L15/42
摘要： A check valve assembly for a drain pump configured to transfer fluid from a sump, through a volute having a pump discharge passageway extending from the volute, includes a seat assembly and a flapper assembly. The seat assembly has a body with a first distal end and a second distal end, and a fluid passage extending through the body. The body defines a valve seat having a sealing surface about the fluid passage. The flapper assembly is operably coupled to the seat assembly. The flapper assembly has a moveable portion configured to selectively move between a closed position where the moveable portion seals against the sealing surface and an opened position where the moveable portion raises to allow liquid through the fluid passage. The check valve assembly is configured to be located within the pump discharge passageway.
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公开(公告)号：US11241139B2
公开(公告)日：2022-02-08
申请号：US16268846
申请日：2019-02-06
IPC分类号： A47L15/42
摘要： A dishwasher having a tub, a sump fluidly coupled to the tub, a discharge outlet, a drain assembly, and a check valve drain assembly including a seat assembly having a body with a first distal end and a second distal end, a fluid passage extending through the body, the body defining a valve seat having a sealing surface about the fluid passage and a flapper assembly operably coupled to the seat assembly and having a moveable portion configured to selectively move between a closed position where the moveable portion seals against the sealing surface and an opened position where the moveable portion raises to allow liquid through the fluid passage.
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公开(公告)号：US20200022557A1
公开(公告)日：2020-01-23
申请号：US16039935
申请日：2018-07-19
摘要： A dishwasher includes a tub at least partially defining a treating chamber with an access opening, a sump fluidly coupled to the treating chamber, at least one sprayer emitting liquid into the treating chamber, a pump, a conduit fluidly coupling the sump to the pump and the pump to the at least one sprayer, thereby defining a recirculation circuit through which the liquid sprayed into the treating chamber collects in the sump and is pumped back to the at least one sprayer, a filter assembly provided in the sump and having a filter through which at least a portion of the liquid passes, and an insert sleeve at least partially located within the filter assembly.
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公开(公告)号：US20200245841A1
公开(公告)日：2020-08-06
申请号：US16268846
申请日：2019-02-06
IPC分类号： A47L15/42
摘要： A dishwasher having a tub, a sump fluidly coupled to the tub, a discharge outlet, a drain assembly, and a check valve drain assembly including a seat assembly having a body with a first distal end and a second distal end, a fluid passage extending through the body, the body defining a valve seat having a sealing surface about the fluid passage and a flapper assembly operably coupled to the seat assembly and having a moveable portion configured to selectively move between a closed position where the moveable portion seals against the sealing surface and an opened position where the moveable portion raises to allow liquid through the fluid passage.
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公开(公告)号：US10893791B2
公开(公告)日：2021-01-19
申请号：US16039935
申请日：2018-07-19
摘要： A dishwasher includes a tub at least partially defining a treating chamber with an access opening, a sump fluidly coupled to the treating chamber, at least one sprayer emitting liquid into the treating chamber, a pump, a conduit fluidly coupling the sump to the pump and the pump to the at least one sprayer, thereby defining a recirculation circuit through which the liquid sprayed into the treating chamber collects in the sump and is pumped back to the at least one sprayer, a filter assembly provided in the sump and having a filter through which at least a portion of the liquid passes, and an insert sleeve at least partially located within the filter assembly.
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