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    • 71. 发明授权
    • Temperature control system
    • 温控系统
    • US3945564A
    • 1976-03-23
    • US482448
    • 1974-06-24
    • Jon Smallegan
    • Jon Smallegan
    • G05D23/32G05D23/30
    • G05D23/32
    • A temperature control system for providing an automatic reduction in the temperature of a room or a house during the nighttime hours which requires only the conventional two conductor wiring between the furnace and the thermostat thereby avoiding the necessity of adding to or replacing the existing wiring between the furnace and the thermostat. The system includes a temperature responsive element, a heater near the temperature responsive element for providing supplemental heating of the element, a conventional furnace control, a clock-operated current control for the heater, and a diode steering circuit for directing one portion of an alternating current waveform through the heater current control and the heater, and another portion of the alternating current waveform through the temperature responsive element and the furnace control for providing independent control of the heater and the furnace control. The heater provides supplementary heating of the temperature responsive element during the nighttime hours to establish an apparent room temperature which is higher than the actual room temperature so that the thermostat element will lower the room temperature during the nighttime hours.
    • 一种温度控制系统,用于在夜间小时内提供房间或房屋的温度的自动降低,其仅需要炉和恒温器之间的常规的两根导体布线,从而避免增加或替换现有布线之间的必要性 炉和恒温器。 该系统包括温度响应元件,靠近温度响应元件的加热器,用于提供元件的补充加热,常规炉控制,用于加热器的时钟操作电流控制,以及用于引导交替的一部分的二极管转向电路 通过加热器电流控制和加热器的电流波形,以及通过温度响应元件和炉控制的交流电波形的另一部分,以提供对加热器和炉控制的独立控制。 加热器在夜间进行温度响应元件的补充加热,以建立高于实际室温的表观室温,使得恒温元件在夜间时间内降低室温。
    • 73. 发明授权
    • Control circuit
    • 控制电路
    • US3852648A
    • 1974-12-03
    • US33285873
    • 1973-02-15
    • CARRIER CORP
    • BARRY VPRIVON G
    • H02P1/44G05D23/32
    • H02P1/445
    • An air conditioning system is provided to supply treated air to an area. The system includes a refrigeration unit comprising a motor-driven compressor, a condenser, an evaporator, and expansion means. The motor includes a run winding and a start or auxiliary winding connected in parallel. A run capacitor is connected in series with the auxiliary winding of the motor. A positive temperature coefficient thermistor is connected in parallel with the run capacitor. The flow of current to the auxiliary winding passes through both the positive temperature coefficient thermistor and capacitor upon starting and passes through substantially only the capacitor during normal running conditions.
    • 提供一个空气调节系统来将经处理的空气提供给一个区域。 该系统包括制冷单元,其包括电动压缩机,冷凝器,蒸发器和膨胀装置。 电动机包括并联连接的行星绕组和起动或辅助绕组。 运行电容器与电机的辅助绕组串联连接。 正温度系数热敏电阻与运行电容并联连接。 在辅助绕组中,电流流过正温度系数热敏电阻和电容器,并且在正常运行条件下仅通过电容器。
    • 74. 发明授权
    • Thermally activated control system
    • 热启动控制系统
    • US3770194A
    • 1973-11-06
    • US3770194D
    • 1972-04-28
    • OWEGO HEAT TREAT INC
    • ENGELHARD W
    • G05D23/22G05D23/32
    • G05D23/22G05D23/1909
    • A furnace temperature control system including auxiliary signal generating means, the output of which is connected in parallel with the error signal derived from the furnace temperature sensor, the totality of said signals serving to activate and inactivate power feed for the furnace. The auxiliary signal is so generated and so tied to the switching means for furnace power that the combined error and auxiliary signals inactivate and activate power feed to the furnace at temperatures decreasingly displaced from a desired preset temperature, whereby to enable more rapid attainment of the desired equilibrium temperature.
    • 一种炉温控制系统,包括辅助信号发生装置,其输出与来自炉温传感器的误差信号并联连接,所述信号的总和用于激活和停用炉的供电。 辅助信号如此产生,并且与用于炉子功率的开关装置相关联,使得组合的误差和辅助信号在从期望的预设温度逐渐偏移的温度下失活并激活对炉的功率馈送,从而使得能够更快速地获得期望的 平衡温度。