公开(公告)号：CA2935605A1

公开(公告)日：2015-09-24

申请号：CA2935605

申请日：2015-03-17

Applicant: WHIRLPOOL CO

Inventor： BOYCE ANDREW ,  CASEY ADAM ,  KUEHL STEVEN J ,  PETERS JOSEPH ,  SENNINGER MARK M ,  SIMPSON PETER ,  WALKER PHILIP CHARLES

IPC: B01D35/14 ,  F25D23/00 ,  G08B5/22

Abstract: A filter unit and a method of repeatedly indicating to a user of an appliance that a water filter unit operably connected to the appliance has passed its useful life and a filter unit configure for use in connection with the method where the filter unit includes a fluid flow impeding system within a housing of the filter unit; engaging the filter unit with the appliance; measuring the volume of water treated by the filter unit; activating a fluid flow impeding system contained within the housing of the filter unit; and repeatedly indicating to a user that the maximum volume of water the filter unit has been designed to treat has been surpassed and the filter unit should be replaced by repeatedly delivering a normal flow rate of water from the dispenser of the appliance and thereafter slowing the flow of water from the dispenser of the appliance.

公开(公告)号：EP3119493A4

公开(公告)日：2017-12-20

申请号：EP15765797

申请日：2015-03-17

Applicant: WHIRLPOOL CO

Inventor： BOYCE ANDREW ,  CASEY ADAM ,  KUEHL STEVEN J ,  PETERS JOSEPH ,  SENNINGER MARK M ,  SIMPSON PETER ,  WALKER PHILIP CHARLES

IPC: B01D35/14 ,  B01D35/143 ,  B01D35/157 ,  F25D23/00 ,  G08B5/22

CPC classification number: F25D23/126 ,  B01D35/143 ,  B01D35/147 ,  B01D35/157 ,  B01D35/30 ,  B01D2201/303 ,  B01D2201/583 ,  C02F1/001 ,  C02F2209/445 ,  C02F2307/12 ,  F25D2323/121

Abstract: A method of repeatedly indicating to a user of an appliance that a water filter unit operably connected to the appliance has passed its useful life and a filter unit configure for use in connection with the method where the filter unit includes a fluid flow impeding system within a housing of the filter unit; engaging the filter unit with the appliance; measuring the volume of water treated by the filter unit; activating a fluid flow impeding system contained within the housing of the filter unit; and repeatedly indicating to a user that the maximum volume of water the filter unit has been designed to treat has been surpassed and the filter unit should be replaced by repeatedly delivering a normal flow rate of water from the dispenser of the appliance and thereafter slowing the flow of water from the dispenser of the appliance.