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1. 发明授权

US5255844A Water temperature control for automatic washers 失效
标题翻译：自动洗衣机水温控制
公开(公告)号：US5255844A
公开(公告)日：1993-10-26
申请号：US918753
申请日：1992-07-27
申请人： James C. Miller , David A. Przygocki , Lori S. Miller
发明人： James C. Miller , David A. Przygocki , Lori S. Miller
IPC分类号： G05D23/13
CPC分类号： G05D23/1393
摘要： A water temperature control system for achieving one of a plurality of wash water temperatures for a washing machine having a hot water valve, a cold water valve and an inlet conduit for carrying a combined supply of water from the hot and cold water valves to a wash bath. If a WARM FILL option is selected by the user, the cold water valve is continuously energized thereby maintaining the valve in an open condition and a normally closed temperature responsive switch is connected in series with the hot water valve. The normally closed temperature responsive switch has a predetermined temperature set point and is located on the inlet conduit. The normally closed temperature responsive switch operates to cycle the hot water valve on and off to control the inlet wash water temperature at or below the first preselected set point. If a HOT FILL option is selected, the hot water valve is continuously energized and a normally open temperature responsive switch is connected in series with the cold water valve. The normally open temperature responsive switch has a predetermined temperature set point and is located on the inlet conduit. The normally open temperature responsive switch operates to cycle the cold water valve on and off to control the inlet wash water temperature to at or below the second preselected set point.
摘要翻译：一种水温控制系统，用于实现具有热水阀，冷水阀和入口导管的洗衣机中的多个洗涤水温度之一，用于将来自热水和冷水阀的水的组合供给到洗涤浴。如果用户选择了一个WARM FILL选项，则冷水阀持续通电，从而保持阀处于打开状态，并且常闭温度响应开关与热水阀串联。常闭温度响应开关具有预定的温度设定点并且位于入口导管上。常闭温度响应开关用于使热水阀开启和关闭，以控制入口洗涤水温度等于或低于第一预选设定值。如果选择HOT FILL选项，则热水阀连续通电，并且常开温度响应开关与冷水阀串联。常开温度响应开关具有预定的温度设定点并且位于入口导管上。常开温度响应开关用于打开和关闭冷水阀，以将入口洗涤水温度控制在等于或低于第二预选设定点。

2. 发明授权

US5515565A Wash liquid level control system for an automatic washer 失效
标题翻译：清洗自动洗衣机液位控制系统
公开(公告)号：US5515565A
公开(公告)日：1996-05-14
申请号：US247160
申请日：1994-05-20
申请人： Beth A. Maddix , Lori S. Miller
发明人： Beth A. Maddix , Lori S. Miller
IPC分类号： D06F39/00 , D06F33/02
CPC分类号： D06F39/003
摘要： An automatic washing machine having an automatic washing liquid level control system including an ultrasonic apparatus for detecting the height of the clothes load in the washing machine and generating a signal representative of the clothes height, a control panel means for allowing user selection of the agitator speed, and means for generating a signal representative of the desired agitator speed. A control unit is provided including a fuzzy control which performs fuzzy inference on the basis of the signal representative of the clothes height and the signal representative of the agitator speed such that the optimum washing liquid level is achieved. In particular, membership functions according to fuzzy theory are defined for the clothes height and the agitator speed. Rules are defined for the height and agitator speed conditions such as for very high clothes height and low agitator speed, or medium high clothes height and high agitator speed, and so on. Each rule is executed using the fuzzy theory to thereby achieve an optimum washing liquid level.
摘要翻译：一种具有自动洗涤液位控制系统的自动洗衣机，包括：用于检测洗衣机中衣物负载高度并产生代表衣服高度的信号的超声波装置;控制面板装置，用于允许用户选择搅拌器速度以及用于产生表示所需搅拌器速度的信号的装置。提供一种控制单元，其包括基于代表衣服高度的信号和表示搅拌器速度的信号进行模糊推理的模糊控制，使得实现最佳洗涤液位。特别地，根据模糊理论的隶属函数被定义为衣服高度和搅拌器速度。规定了高度和搅拌器速度条件，如衣服高度高，搅拌速度低，中等高度，高搅拌速度等。使用模糊理论执行每个规则，从而实现最佳洗涤液位。

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