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    • 1. 发明申请
    • STEPPER MOTOR GAS VALVE AND METHOD OF CONTROL
    • 步进电机气阀及其控制方法
    • US20100179700A1
    • 2010-07-15
    • US12729716
    • 2010-03-23
    • Thomas B. LorenzDavid L. Perry
    • Thomas B. LorenzDavid L. Perry
    • G05D7/00F16K31/04
    • F16K31/04F16K31/128F24H9/2085G05D23/1951
    • A controller for a variable heating system is operable to control a stepper motor operated gas valve to adjust gas flow to vary the heating level. The controller includes a first terminal for receiving a thermostat signal requesting heating, an electronic memory, and a microprocessor in communication with the electronic memory and first terminal. The microprocessor detects a thermostat signal requesting heating, and generates a control signal for the stepper motor to operate the gas valve. The microprocessor includes a programmable read-only-memory encoded with an instruction to store a time duration during which the microprocessor detects a thermostat signal requesting heating, and further encoded with an instruction operable to determine a desired heating level based on the stored time duration. The microprocessor responds to a thermostat signal requesting heating by determining the number of steps the motor must move to vary the gas flow corresponding to the desired heating level.
    • 用于可变加热系统的控制器可操作以控制步进电动机操作的气体阀来调节气体流量以改变加热水平。 控制器包括用于接收请求加热的恒温器信号的第一端子,电子存储器和与电子存储器和第一端子通信的微处理器。 微处理器检测到需要加热的恒温器信号,并产生用于步进电机的控制信号以操作气阀。 微处理器包括可编程只读存储器,其编码有用于存储微处理器检测到请求加热的恒温器信号的持续时间的指令,并进一步用可操作以基于所存储的持续时间确定期望加热水平的指令进行编码。 微处理器通过确定电动机必须移动的步数来改变对应于所需加热水平的气流来响应要求加热的恒温器信号。
    • 2. 发明授权
    • Stepper motor gas valve and method of control
    • 步进电机气阀及其控制方法
    • US08275484B2
    • 2012-09-25
    • US12729716
    • 2010-03-23
    • Thomas B. LorenzDavid L. Perry
    • Thomas B. LorenzDavid L. Perry
    • G05D7/00G05D23/20F25D23/12F24H9/20F16K21/04
    • F16K31/04F16K31/128F24H9/2085G05D23/1951
    • A controller for a variable heating system is operable to control a stepper motor operated gas valve to adjust gas flow to vary the heating level. The controller includes a first terminal for receiving a thermostat signal requesting heating, an electronic memory, and a microprocessor in communication with the electronic memory and first terminal. The microprocessor detects a thermostat signal requesting heating, and generates a control signal for the stepper motor to operate the gas valve. The microprocessor includes a programmable read-only-memory encoded with an instruction to store a time duration during which the microprocessor detects a thermostat signal requesting heating, and further encoded with an instruction operable to determine a predetermined heating level based on the stored time duration. The microprocessor responds to a thermostat signal requesting heating by determining the number of steps the motor must move to vary the gas flow corresponding to the predetermined heating level.
    • 用于可变加热系统的控制器可操作以控制步进电动机操作的气体阀来调节气体流量以改变加热水平。 控制器包括用于接收请求加热的恒温器信号的第一端子,电子存储器和与电子存储器和第一端子通信的微处理器。 微处理器检测到需要加热的恒温器信号,并产生用于步进电机的控制信号以操作气阀。 微处理器包括可编程只读存储器,其编码有用于存储微处理器检测到请求加热的恒温器信号的持续时间的指令,并进一步用可操作以基于所存储的持续时间确定预定加热电平的指令进行编码。 微处理器通过确定电动机必须移动的步数来改变对应于预定加热水平的气流,来响应要求加热的恒温器信号。
    • 3. 发明授权
    • Controller for two-stage heat source usable with single and two stage thermostats
    • 双级热源控制器,可用于单级和两级恒温器
    • US07731096B2
    • 2010-06-08
    • US11265695
    • 2005-11-02
    • Thomas B. LorenzDavid L. Perry
    • Thomas B. LorenzDavid L. Perry
    • F24F11/053F24H9/20G05D23/19F25D23/12
    • F23N5/203F23N2023/04F23N2023/08
    • A controller for a two-stage heat source is provide, which may be connected to either a single stage or a two-stage thermostat to provide low stage heating for a variable time period before switching to high stage heating. The controller includes at least a first terminal for receiving a signal requesting heating from a single-stage thermostat or a two-stage thermostat connected to the first terminal. A microcontroller in communication with the first terminal determines a duty cycle value for a heating cycle based on the duration in which a signal at the first terminal is present relative to the duration of the heating cycle. The microcontroller determines a low stage time limit from the duty cycle, and provides low stage heating when a signal is present at the first terminal for a time period not more than the time limit, and switches to high stage heating after the time limit.
    • 提供了一种用于两级热源的控制器,其可以连接到单级或两级恒温器,以在切换到高级加热之前在可变时间段内提供低级加热。 控制器至少包括第一端子,用于接收从单级恒温器或连接到第一端子的两级恒温器请求加热的信号。 与第一端子通信的微控制器基于相对于加热循环的持续时间存在第一端子处的信号的持续时间来确定加热循环的占空比值。 微控制器从占空比确定低阶段时间限制,并且当第一终端处的信号在不超过时限的时间段内提供低阶加热,并且在时间限制之后切换到高阶段加热。
    • 4. 发明授权
    • Refrigerant charge level detection
    • 制冷剂充电水平检测
    • US08466798B2
    • 2013-06-18
    • US13101516
    • 2011-05-05
    • Amr E. GadoThomas J. FredricksThomas B. Lorenz
    • Amr E. GadoThomas J. FredricksThomas B. Lorenz
    • G08B21/00
    • F25B49/005
    • A system includes a first sensor that provides an output indicative of a sensed temperature of a liquid refrigerant line that is within or extending from an outlet of a condenser coil of an air conditioner or heat pump unit. The system includes a second sensor that provides an output indicative of a sensed pressure in the liquid refrigerant line. A controller is configured to determine at least one target pressure value from the output indicative of the sensed temperature of the liquid refrigerant line. The controller is configured to determine if the level of refrigerant charge is at, above or below an acceptable level based on a comparison of the output indicative of sensed pressure to the at least one target pressure value. The system includes a display that displays an indication of whether the level of refrigerant charge is at, above or below an acceptable level.
    • 一种系统包括第一传感器,其提供指示在空调或热泵单元的冷凝器盘管的出口内或从空调器或热泵单元的冷凝器盘管的出口延伸的液体制冷剂管线的感测温度的输出。 该系统包括第二传感器,其提供指示液体制冷剂管线中感测到的压力的输出。 控制器被配置为从指示液体制冷剂管线的感测温度的输出中确定至少一个目标压力值。 控制器被配置为基于将指示感测到的压力的输出与至少一个目标压力值的比较来确定制冷剂充注的水平是否处于,高于或低于可接受水平。 该系统包括一个显示器,其显示制冷剂装料量是否处于,高于或低于可接受水平的指示。
    • 5. 发明申请
    • REFRIGERANT CHARGE LEVEL DETECTION
    • 制冷剂充电水平检测
    • US20120280816A1
    • 2012-11-08
    • US13101516
    • 2011-05-05
    • Amr E. GadoThomas J. FredricksThomas B. Lorenz
    • Amr E. GadoThomas J. FredricksThomas B. Lorenz
    • G08B21/00
    • F25B49/005
    • A system includes a first sensor that provides an output indicative of a sensed temperature of a liquid refrigerant line that is within or extending from an outlet of a condenser coil of an air conditioner or heat pump unit. The system includes a second sensor that provides an output indicative of a sensed pressure in the liquid refrigerant line. A controller is configured to determine at least one target pressure value from the output indicative of the sensed temperature of the liquid refrigerant line. The controller is configured to determine if the level of refrigerant charge is at, above or below an acceptable level based on a comparison of the output indicative of sensed pressure to the at least one target pressure value. The system includes a display that displays an indication of whether the level of refrigerant charge is at, above or below an acceptable level.
    • 一种系统包括第一传感器,其提供指示在空调或热泵单元的冷凝器盘管的出口内或从空调器或热泵单元的冷凝器盘管的出口延伸的液体制冷剂管线的感测温度的输出。 该系统包括第二传感器,其提供指示液体制冷剂管线中感测到的压力的输出。 控制器被配置为从指示液体制冷剂管线的感测温度的输出中确定至少一个目标压力值。 控制器被配置为基于将指示感测到的压力的输出与至少一个目标压力值的比较来确定制冷剂充注的水平是否处于,高于或低于可接受水平。 该系统包括一个显示器,其显示制冷剂装料量是否处于,高于或低于可接受水平的指示。
    • 6. 发明申请
    • UNIVERSAL APPARATUS AND METHOD FOR CONFIGURABLY CONTROLLING A HEATING OR COOLING SYSTEM
    • 通用装置和可配置控制加热或冷却系统的方法
    • US20110066289A1
    • 2011-03-17
    • US12912245
    • 2010-10-26
    • William P. ButlerEdward B. EvansThomas B. LorenzCarl J. MuellerSteven L. CareyG. Scott Vogel
    • William P. ButlerEdward B. EvansThomas B. LorenzCarl J. MuellerSteven L. CareyG. Scott Vogel
    • G05D23/19
    • G05D23/1917F04D27/004F24F11/54F24F11/77
    • A system controller is disclosed that includes a communication means for transmitting and receiving information from an installed blower motor controller, and a removable memory device connected to the system controller. The removable memory device includes system parameter information stored thereon that relates to the particular heating or cooling system, where the system parameter information includes at least motor related parameters relating to the operation of one or more types of blower motors. The system controller further includes a processor configured to receive via the communication means the communication of identifying information from the blower motor controller that identifies the type of blower motor installed in the system. The processor is configured to retrieve motor related parameters corresponding to the specific identified blower motor controller from the memory device, and to send said corresponding motor related parameters to the blower motor controller.
    • 公开了一种系统控制器,其包括用于从安装的鼓风机马达控制器发送和接收信息的通信装置,以及连接到系统控制器的可移动存储装置。 可移除存储器设备包括与其相关的系统参数信息,该系统参数信息涉及特定的加热或冷却系统,其中系统参数信息至少包括与一种或多种类型的鼓风电动机的操作有关的电动机相关参数。 系统控制器还包括处理器,其被配置为经由通信装置接收来自鼓风机马达控制器的识别信息,该信息识别安装在系统中的鼓风机的类型。 处理器被配置为从存储器装置检索与特定识别的鼓风机马达控制器相对应的马达相关参数,并将所述相应的马达相关参数发送到鼓风机马达控制器。