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1. 发明授权

US06812847B1 Moisture indicator for wet pick-up suction cleaner 有权
标题翻译：用于湿式吸尘器的湿度指示器
公开(公告)号：US06812847B1
公开(公告)日：2004-11-02
申请号：US09648204
申请日：2000-08-25
申请人： Jay M. Salem , Evan A. Gordon , Ronald D. Schneider
发明人： Jay M. Salem , Evan A. Gordon , Ronald D. Schneider
IPC分类号： G08B2100
CPC分类号： A47L11/4044 , A47L7/0038 , A47L7/0042 , A47L9/2805 , A47L9/2842 , A47L9/2857 , A47L9/2889 , A47L11/34 , A47L11/4058
摘要： The moisture sensor and indicator for a wet pickup vacuum cleaner, more particularly a wet extraction type carpet cleaner, is positioned in the suction duct to sense when water droplets or moisture is traveling through the suction duct. An indicator is activated to indicate to the operator that water is being extracted from the carpet. The sensor may alternatively be located in the bottom of the floor-engaging portion where it contracts the floor. When the degree of moisture in the carpet exceeds a predetermined threshold an indicator is activated to indicate to the operator that the floor is still wet and to continue extracting moisture from the floor. Alternatively, the moisture sensor can be used as a safety device on a dry pickup vacuum cleaner. When moisture is detected within the suction duct, the motor-fan assembly of the dry pickup vacuum cleaner is disabled to prevent a potentially hazardous condition.
摘要翻译：用于湿式皮卡真空吸尘器的湿度传感器和指示剂，更具体地说是湿式提取型地毯清洁器，位于吸入管道中，以便感测何时水滴或湿气正在通过抽吸管道。一个指示器被激活以向操作者指示从地毯中抽出水。传感器可以可选地位于地板接合部分的底部，在该底部接合部分的底部收缩地板。当地毯中的水分含量超过预定阈值时，指示器被激活以向操作者指示地板仍然是湿的并且继续从地面抽取水分。或者，水分传感器可用作干式吸尘器上的安全装置。当在吸入管道内检测到湿气时，干式吸尘器吸尘器的电机 - 风扇组件被禁用，以防止潜在的危险状况。

2. 发明授权

US06832407B2 Moisture indicator for wet pick-up suction cleaner 失效
标题翻译：用于湿式吸尘器的湿度指示器
公开(公告)号：US06832407B2
公开(公告)日：2004-12-21
申请号：US09818161
申请日：2001-03-27
申请人： Jay M. Salem , Evan A. Gordon , Mark J. Josef , Ronald D. Schneider
发明人： Jay M. Salem , Evan A. Gordon , Mark J. Josef , Ronald D. Schneider
IPC分类号： A47L500
CPC分类号： A47L11/4044 , A47L7/0028 , A47L7/0038 , A47L7/0042 , A47L9/2805 , A47L9/2842 , A47L9/2857 , A47L9/2889 , A47L11/34 , A47L11/40 , A47L11/4011 , A47L11/4058
摘要： The moisture sensor and indicator for a wet pickup vacuum cleaner, more particularly a wet extraction type carpet cleaner, is positioned in the suction duct to sense when water droplets or moisture is traveling through the suction duct. An indicator is activated to indicate to the operator that water is being extracted from the carpet. The sensor may alternatively be located in the bottom of the floor-engaging portion where it contracts the floor. When the degree of moisture in the carpet exceeds a predetermined threshold an indicator is activated to indicate to the operator that the floor is still wet and to continue extracting moisture from the floor. Alternatively, the moisture sensor can be used as a safety device on a dry pickup vacuum cleaner. When moisture is detected within the suction duct, the motor-fan assembly of the dry pickup vacuum cleaner is disabled to prevent a potentially hazardous condition. Also, another sensor is positioned in the cleaner to detect when the moisture level of the solution or recovery tank reaches a predetermined level. An indicator is activated to indicate to the operator when the moisture level reaches the predetermined level.
摘要翻译：用于湿式皮卡真空吸尘器的湿度传感器和指示剂，更具体地说是湿式提取型地毯清洁器，位于吸入管道中，以便感测何时水滴或湿气正在通过抽吸管道。一个指示器被激活以向操作者指示从地毯中抽出水。传感器可以可选地位于地板接合部分的底部，在该底部接合部分的底部收缩地板。当地毯中的水分含量超过预定阈值时，指示器被激活以向操作者指示地板仍然是湿的并且继续从地面抽取水分。或者，水分传感器可用作干式吸尘器上的安全装置。当在吸入管道内检测到湿气时，干式吸尘器吸尘器的电机 - 风扇组件被禁用，以防止潜在的危险状况。此外，另一传感器位于清洁器中，以检测溶液或回收罐的水分含量何时达到预定水平。当水分含量达到预定水平时，指示器被激活以向操作者指示。

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