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1. 发明授权

US06606871B2 Twinning interface control box kit for twinned fan coils in dual heat pump or AC system 失效
标题翻译：双联接口控制箱套件，用于双重热泵或交流系统中的双列风扇盘管
公开(公告)号：US06606871B2
公开(公告)日：2003-08-19
申请号：US09944813
申请日：2001-08-31
申请人： Ronald G. Butcher , Don A. Schuster
发明人： Ronald G. Butcher , Don A. Schuster
IPC分类号： F25B4902
CPC分类号： F24F11/30 , F24F11/41 , F24F11/46
摘要： A control box kit for twinning fan coils in a heat pump or AC installation includes electro-mechanical isolation relays and auxiliary limit switches. Existing fan coil transformers are disconnected to avoid component failure due to high voltage wiring variations. A single transformer is connected to operate both systems. Isolation relays for the reversing valves and supplemental electric heaters in a heat pump system allow both heat pumps to have independent defrost cycles. The accessory transformer and isolation relays are packaged and pre-wired in a control box for easy connection in the field.
摘要翻译：用于在热泵或交流安装中对接风扇盘管的控制箱套件包括机电隔离继电器和辅助限位开关。现有的风扇盘管变压器断开，以避免由于高压接线变化导致部件故障。连接一个变压器来操作两个系统。在热泵系统中用于换向阀和补充电加热器的隔离继电器允许两个热泵具有独立的除霜循环。附件变压器和隔离继电器在控制箱中进行封装和预接线，便于现场连接。

2. 发明授权

US6141978A Method and apparatus for eliminating unnecessary defrost cycles in heat pump systems 失效
标题翻译：用于消除热泵系统中不必要的除霜循环的方法和装置
公开(公告)号：US6141978A
公开(公告)日：2000-11-07
申请号：US391589
申请日：1999-09-07
申请人： Don A. Schuster
发明人： Don A. Schuster
IPC分类号： F25B13/00 , F25B49/02 , F25D21/00 , F25D21/02 , F25D21/06
CPC分类号： F25B13/00 , F25B49/02 , F25D21/002 , F25D21/02 , F25B2313/0292 , F25B2313/0294 , F25B2313/0314 , F25B2313/0315 , F25B2400/18 , F25B2600/025 , F25B2600/111 , F25B2600/23 , F25B2700/19 , Y02B30/743 , Y10S62/17
摘要： An improved method and apparatus for limiting the pressure in the high pressure side of a heat pump system to a safe value, without causing the defrost control circuitry thereof to initiate unnecessary defrost cycles. When the heat pump system is operating in its heating mode, pressure limiting circuitry limits the pressure in the high side thereof to a safe value by turning the outdoor fan off, and holding it off, when the vapor pressure in the vapor containing parts of the system is equal to or greater than a preset threshold pressure. When ambient conditions are such that frost is able to form on the outdoor coil, the activity of the pressure limiting circuitry is used to reset the defrost delay time or otherwise inhibit the operation of the defrost control circuitry.
摘要翻译：一种用于将热泵系统的高压侧的压力限制到安全值的改进的方法和装置，而不使其除霜控制电路开始不必要的除霜循环。当热泵系统工作在其加热模式时，压力限制电路将其高侧的压力通过关闭室外风扇并将其关闭而将其高压侧的压力限制在安全值，当蒸汽含有部分系统等于或大于预设阈值压力。当环境条件使得能够在室外线圈上形成霜时，使用压力限制电路的活动来复原除霜延迟时间或以其它方式禁止除霜控制电路的操作。

3. 发明授权

US6092378A Vapor line pressure control 失效
标题翻译：蒸气管路压力控制
公开(公告)号：US6092378A
公开(公告)日：2000-07-25
申请号：US995624
申请日：1997-12-22
申请人： Sathish R. Das , Don A. Schuster , Larry J. Burkhart , Ronald G. Butcher , Timothy J. Perry
发明人： Sathish R. Das , Don A. Schuster , Larry J. Burkhart , Ronald G. Butcher , Timothy J. Perry
IPC分类号： F25B13/00 , F25B49/02 , F25D21/00 , F25D21/02 , F25D17/04 , F25B1/00
CPC分类号： F25B13/00 , F25B49/02 , F25D21/002 , F25D21/02 , F25B2313/0292 , F25B2313/0294 , F25B2313/0314 , F25B2313/0315 , F25B2400/18 , F25B2600/025 , F25B2600/111 , F25B2600/23 , F25B2700/19 , Y02B30/743 , Y10S62/17
摘要： In a heat pump system designed for use with a relatively low pressure refrigerant, provision is made, by use of a vapor pressure control system, to use a higher pressure refrigerant without replacement of the indoor coil and the line set. The vapor pressure is sensed during periods of heat pump operation, and when the pressure reaches a predetermined maximum threshold level, the outdoor fan speed is reduced to thereby cause the vapor pressure to be reduced. When the vapor pressure is reduced to a predetermined minimum threshold level, then the fan speed is resumed so as thereby allow the vapor pressure to again be increased.
摘要翻译：在设计用于相对低压制冷剂的热泵系统中，通过使用蒸汽压力控制系统，使用较高压力的制冷剂而不更换室内线圈和线路组。在热泵运转期间检测蒸汽压，当压力达到预定的最大阈值水平时，降低室外风扇的转速，从而降低蒸气压。当蒸汽压力降低到预定的最小阈值水平时，则恢复风扇速度，从而允许再次增加蒸汽压力。

4. 发明申请

US20140343733A1 Systems And Methods For Compressor Overspeed Control 审中-公开
标题翻译：压缩机超速控制系统与方法
公开(公告)号：US20140343733A1
公开(公告)日：2014-11-20
申请号：US14344337
申请日：2012-08-28
申请人： Lynn A. Turner , Rajendra K. Shah , Don A. Schuster , Sathish R. Das
发明人： Lynn A. Turner , Rajendra K. Shah , Don A. Schuster , Sathish R. Das
IPC分类号： G05D23/20
CPC分类号： G05D23/2037 , F25B49/025 , F25B2600/021 , F25B2700/2106 , Y02B30/741
摘要： A method for controlling a system includes receiving system demand data; processing the system demand data; defining a first value of a first system operating parameter; receiving system condition data; associating the first value of the first system operating parameter with a first operating map function; determining whether the system condition data exceeds a threshold of the first operating map function; determining whether the system condition data exceeds a threshold of a second operating map function responsive to determining that the system condition data exceeds the threshold of the first operating map function; and changing the first value of the first system operating parameter to a second value associated with the second operating map function responsive to determining that the system condition data does not exceed the threshold of the second operating map function.
摘要翻译：一种用于控制系统的方法包括接收系统需求数据; 处理系统需求数据; 定义第一系统操作参数的第一值; 接收系统状态数据; 将第一系统操作参数的第一值与第一操作映射函数相关联; 确定系统条件数据是否超过第一操作映射函数的阈值; 响应于确定系统条件数据超过第一操作映射函数的阈值，确定系统条件数据是否超过第二操作映射函数的阈值; 以及响应于确定所述系统条件数据不超过所述第二操作映射函数的阈值，将所述第一系统操作参数的所述第一值改变为与所述第二操作映射函数相关联的第二值。

5. 发明申请

US20100089076A1 REFRIGERANT CHARGE INDICATION 有权
标题翻译：制冷剂充电指示
公开(公告)号：US20100089076A1
公开(公告)日：2010-04-15
申请号：US12519652
申请日：2006-12-20
申请人： Don A. Schuster , Sathish R. Das
发明人： Don A. Schuster , Sathish R. Das
IPC分类号： F25B45/00 , F25B49/00
CPC分类号： F25B49/005 , F25B45/00 , F25B2345/00 , F25B2600/05 , F25B2700/00 , F25B2700/04
摘要： A method and apparatus are provided for indicating the status of the refrigerant charge in an air conditioning system based upon the degree of subcooling present in the condensed refrigerant system temperature measurements. The status of the refrigerant charge in the system is indicated in real-time on a service panel for access by a field service technician. The status of the refrigerant charge in the system on a time-average basis for a specified period of operation is presented on an indicator panel. The indicator panel includes a first indicator light indicating that the refrigerant charge is low, a second indicator light indicating that the refrigerant charge is high, and a third indicator light indicating that the refrigerant charge is correct.
摘要翻译：提供了一种方法和装置，用于基于冷凝的制冷剂系统温度测量中存在的过冷度来指示空调系统中的制冷剂进料的状态。系统中的制冷剂装料的状态在维修面板上实时指示，以便现场维修技术人员进入。在指定时间段内，以指定时间段的时间平均为基础，系统中的制冷剂充注状态显示在指示灯面板上。指示板包括表示制冷剂充注量低的第一指示灯，表示制冷剂充注量高的第二指示灯，以及表示制冷剂充注正确的第三指示灯。

6. 发明申请

US20090180220A1 NON-INTRUSIVE ELECTRONIC CONTROL CIRCUITRY TO DETECT AN OPEN PROTECTOR IN A HERMETICALLY SEALED COMPRESSOR 有权
标题翻译：非侵入式电子控制电路用于检测密封式压缩机中的开放式保护器
公开(公告)号：US20090180220A1
公开(公告)日：2009-07-16
申请号：US12299695
申请日：2006-05-15
申请人： Don A. Schuster , Zanc Prince
发明人： Don A. Schuster , Zanc Prince
IPC分类号： H02H1/00
CPC分类号： H02H7/08 , H02H3/05 , H02H7/0852
摘要： An electronic apparatus externally detects open protector contacts inside of a compressor. The compressor includes a compressor motor having a run winding and a start winding. The compressor motor also includes internal protector contacts that open the electrical circuit to the “C” terminal in a protection condition. A compressor running indicator circuit is electrically connected between the “S” and the “R” terminals to indicate a compressor running condition. Also, a protection indicator circuit is electrically connected between the “C” and the “S” terminals to indicate a voltage present across the “C” and the “S” terminals. The protection indicator circuit is also coupled to the compressor running indicator circuit such that the protection indicator circuit is disabled when the compressor is running normally and the protection indicator is enabled and indicates when protector contacts open inside of the compressor.
摘要翻译：电子设备外部检测压缩机内部的开启保护器触点。压缩机包括具有行程绕组和起动绕组的压缩机电动机。压缩机电动机还包括内部保护器触点，其在保护条件下将电路打开到“C”端子。压缩机运行指示器电路电连接在“S”和“R”端子之间以表示压缩机运转状态。此外，保护指示电路电连接在“C”端子和“S”端子之间，以指示跨过“C”端子和“S”端子的电压。保护指示电路还耦合到压缩机运行指示器电路，使得当压缩机正常运行并且保护指示器被使能并且指示保护器在压缩机内部打开时保护指示器电路被禁用。

7. 发明授权

US09759465B2 Air conditioner self-charging and charge monitoring system 有权
公开(公告)号：US09759465B2
公开(公告)日：2017-09-12
申请号：US13723519
申请日：2012-12-21
申请人： Don A. Schuster , Adeyemi A. Adepetu , Sathish R. Das , Rajendra K. Shah
发明人： Don A. Schuster , Adeyemi A. Adepetu , Sathish R. Das , Rajendra K. Shah
IPC分类号： F25B45/00
CPC分类号： F25B45/00 , F25B2345/001 , F25B2345/002 , F25B2500/19 , F25B2700/04 , F25B2700/151 , F25B2700/1931 , F25B2700/1933 , F25B2700/195 , F25B2700/21163
摘要： A method for determining a level of refrigerant charge in a vapor compression system having a compressor, a condenser, an expansion device and an evaporator operatively connected in serial relationship in a refrigerant flow circuit having a refrigerant, includes receiving information indicative of at least one of a compressor torque or compressor current; and determining whether the refrigerant charge is within a defined tolerance or whether the refrigerant is to be added or recovered in response to the receiving of the information.

8. 发明申请

US20120010753A1 Systems and Methods Involving Heating and Cooling System Control 有权
标题翻译：涉及加热和制冷系统控制的系统和方法
公开(公告)号：US20120010753A1
公开(公告)日：2012-01-12
申请号：US13262034
申请日：2010-03-30
申请人： Don A. Schuster , Rajendra K. Shah , Adeyemi A. Adeptu , Sathish R. Das
发明人： Don A. Schuster , Rajendra K. Shah , Adeyemi A. Adeptu , Sathish R. Das
IPC分类号： G05B15/00
CPC分类号： F25B49/02 , F24F11/30 , F24F2110/10 , F24F2110/12 , F25B2600/021 , F25B2700/2106 , Y02B30/741
摘要： A method for controlling a system comprising, receiving system demand data (402), processing the system demand data (404), defining a first system operating parameter (404), receiving system condition data (406), associating the system condition data with an operating map function (406), determining whether the system condition data exceeds a threshold of the operating map function (408), and changing the first system operating parameter responsive to determining that the system condition data exceeds the threshold of the operating map function (411).
摘要翻译：一种用于控制系统的方法，包括接收系统需求数据（402），处理系统需求数据（404），定义第一系统操作参数（404），接收系统条件数据（406），将系统条件数据与操作映射函数（406），确定系统条件数据是否超过操作映射函数的阈值（408），以及响应于确定系统条件数据超过操作映射函数的阈值（411）来改变第一系统操作参数）。

9. 发明授权

US07386985B2 Detection of refrigerant charge adequacy based on multiple temperature measurements 有权
标题翻译：基于多个温度测量检测制冷剂充注量
公开(公告)号：US07386985B2
公开(公告)日：2008-06-17
申请号：US11294183
申请日：2005-12-05
申请人： Julio I. Concha , Robert J. Braun , Sivakumar Gopalnarayanan , Don A. Schuster , Sathish R. Das
发明人： Julio I. Concha , Robert J. Braun , Sivakumar Gopalnarayanan , Don A. Schuster , Sathish R. Das
IPC分类号： F25B45/00
CPC分类号： G01K13/02 , B60H1/00978 , B60H1/3225 , F25B49/005 , F25B2700/02 , F25B2700/04 , F25B2700/2104 , F25B2700/2106 , F25B2700/21152 , F25B2700/2116 , F25B2700/21163 , G01K2201/00
摘要： The refrigerant charge adequacy of an air conditioning system is determined by the sensing of two temperatures in the system, one being at a midpoint in a condenser coil and the other being the temperature in the liquid line of the condenser discharge, with the difference then being indicative of the degree of subcooling, which, in turn, may be indicative of refrigerant charge condition. The method is refined by measuring a third temperature at the compressor discharge, with the three temperature values then being used to calculate a pair of residual values which provide an indication of whether the two temperature approach is useful in determining charge adequacy under the existing conditions and if not, whether the system is overcharged or undercharged.
摘要翻译：空调系统的制冷剂充注足够由系统中的两个温度的感测决定，一个在冷凝器盘管的中点，另一个是冷凝器排出的液体管线中的温度，其差异在于指示过冷度，其又可以指示制冷剂充注状态。该方法通过测量压缩机排放的第三温度来改进，然后三个温度值用于计算一对剩余值，其提供两个温度方法是否有用于确定在现有条件下的充电充足性的指示，以及如果不是，系统是否过充或不足。

10. 发明授权

US5787728A Suction accumulator destratifier 失效
标题翻译：抽吸蓄能器
公开(公告)号：US5787728A
公开(公告)日：1998-08-04
申请号：US786557
申请日：1997-01-21
申请人： Satish R. Das , Don A. Schuster , Larry J. Burkhart
发明人： Satish R. Das , Don A. Schuster , Larry J. Burkhart
IPC分类号： F25B43/00
CPC分类号： F25B43/006 , F25B2400/03
摘要： A suction accumulator for use in a heat pump or air conditioning system includes an inlet tube that has a plurality of holes therein. One hole is preferably at the end of the inlet tube while the others are preferably of decreasing size and spaced apart from near the bottom of the accumulator upward along the inlet tube. Such an arrangement ensures that a vapor/liquid mixture of refrigerant and lubricant entering the accumulator does not cause excessive foaming during normal operation while quickly destratifying a stratified mixture that frequently occurs during periods of system inactivity or floodback.
摘要翻译：用于热泵或空调系统的抽吸蓄能器包括在其中具有多个孔的入口管。一个孔优选在入口管的端部，而另一个孔优选地具有减小的尺寸并且沿着入口管向上沿着蓄能器的底部附近间隔开。这样的布置确保进入蓄能器的制冷剂和润滑剂的蒸气/液体混合物在正常操作期间不会引起过度的发泡，同时在系统不活动或回灌期间频繁发生分层混合物。

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