发明名称 |
Water filter monitoring and indicating system |
摘要 |
A method and apparatus for determining when a replaceable filter for a refrigerator needs replacing based on the volume of water passing through the water filter as determined by the product of the time that water has passed through the filter and the flow rate of an accessory being supplied the filtered water.
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申请公布号 |
US2002189983(A1) |
申请公布日期 |
2002.12.19 |
申请号 |
US20020064026 |
申请日期 |
2002.06.04 |
申请人 |
GUESS RONALD W.;BEARD DALE A.;GLOTZBACH PATRICK J.;SNYDER KEITH A. |
发明人 |
GUESS RONALD W.;BEARD DALE A.;GLOTZBACH PATRICK J.;SNYDER KEITH A. |
分类号 |
B01D35/143;F25D23/12;(IPC1-7):B01D35/14 |
主分类号 |
B01D35/143 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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