Integral receiver/dehydrator and expansion valve for air conditioning
systems
    51.
    发明授权
    Integral receiver/dehydrator and expansion valve for air conditioning systems 失效
    集成接收器/脱水器和空调系统的膨胀阀

    公开(公告)号:US4756166A

    公开(公告)日:1988-07-12

    申请号:US120362

    申请日:1987-11-13

    申请人: Glenn E. Tomasov

    发明人: Glenn E. Tomasov

    IPC分类号: F25B41/06 F25B43/00 F25B39/04

    摘要: An integral receiver/dehydrator and expansion valve is disclosed in an automotive air conditioning system. A common housing comprises a receiver/dehydrator container surmounted by a connector body in a unitary construction. An electronically controlled expansion valve is disposed in an axial passage in the connector body and a valve chamber in the body connects the draw tube of the receiver/dehydrator to the valve orifice. An annular groove in the common wall between the connector body and the receiver/dehydrator container is connected by a radial passage through the body with the suction line of the receiver/dehydrator from the condenser. An annular chamber surrounding the valve outlet port is connected by a radial passage to the suction line of the evaporator. The radial passages may be disposed at any desired angle on the body to accommodate the connection of the receiver/dehydrator suction line and the evaporation suction line.

    摘要翻译: 在汽车空调系统中公开了整体接收器/脱水器和膨胀阀。 一个共同的外壳包括一个接头/脱水器容器,该接收器/脱水器容器以一体式结构被连接器主体所覆盖。 电子控制膨胀阀设置在连接器主体的轴向通道中,并且主体中的阀室将接收器/脱水器的牵引管连接到阀孔。 在连接器主体和接收器/脱水器容器之间的公共壁中的环形槽通过主体与接收器/脱水器的吸入管线从冷凝器连接。 围绕阀出口的环形室通过径向通道连接到蒸发器的吸入管线。 径向通道可以以任何所需的角度设置在主体上以适应接收器/脱水器吸入管线和蒸发吸入管线的连接。

    Pulse controlled solenoid valve with low ambient start-up means
    52.
    发明授权
    Pulse controlled solenoid valve with low ambient start-up means 失效
    具有低环境启动装置的脉冲电磁阀

    公开(公告)号:US4686835A

    公开(公告)日:1987-08-18

    申请号:US936102

    申请日:1986-11-28

    申请人: Richard H. Alsenz

    发明人: Richard H. Alsenz

    摘要: A refrigeration system including a solenoid actuated on-off modulated expansion valve and a controller for controlling the expansion valve is disclosed. The controller includes a low ambient start-up means responsive to the presence of liquid refrigerant at the inlet end of the expansion valve for overriding normal operations of the valve and maintaining the expansion valve open for refrigerant flow therethrough when liquid refrigerant is not present at the expansion valve. The low ambient start-up means includes temperature sensors upstream and downstream from the expansion valve to detect the temperature differential across the expansion valve. The temperature differential is compared to a threshold value and depending upon the comparison, either overrides the expansion valve to permit full flow therethrough or to allow the expansion valve to operate in response to the controller.

    摘要翻译: 公开了一种包括螺线管致动的开 - 关调制膨胀阀和用于控制膨胀阀的控制器的制冷系统。 该控制器包括响应于在膨胀阀的入口端处存在液体制冷剂的低环境启动装置,用于超越阀的正常操作并且当液体制冷剂不存在于液体制冷剂时,保持膨胀阀打开以用于制冷剂流过其中 膨胀阀。 低环境启动装置包括从膨胀阀上游和下游的温度传感器,以检测膨胀阀两端的温差。 将温差与阈值进行比较,并且根据比较,或者覆盖膨胀阀以允许完全流过或允许膨胀阀响应于控制器而操作。

    Pulse controlled solenoid valve
    53.
    发明授权
    Pulse controlled solenoid valve 失效
    脉冲电磁阀

    公开(公告)号:US4651535A

    公开(公告)日:1987-03-24

    申请号:US639271

    申请日:1984-08-08

    申请人: Richard H. Alsenz

    发明人: Richard H. Alsenz

    摘要: A pulsed controlled solenoid flow control valve suitable for use in a closed vapor cycle air conditioning system is disclosed. A pulsewidth modulated control signal is generated for cyclically opening and closing the flow through the expansion valve. The duty cycle of the pulsed control signal determines the average flow rate through the valve. An exponential response control curve is used in conjunction with an integrator offset to obtain a single set point control operating point for all flow rates through the valve, where a given change in the second superheat of the evaporator produces the same percentage change in flow rate regardless of the flow rate.

    摘要翻译: 公开了一种适用于封闭蒸汽循环空调系统的脉冲控制电磁流量控制阀。 产生脉冲宽度调制控制信号以循环地打开和关闭通过膨胀阀的流动。 脉冲控制信号的占空比确定通过阀门的平均流量。 指数响应控制曲线与积分器偏移结合使用,以获得通过阀的所有流速的单个设定点控制操作点,其中蒸发器的第二过热器中的给定变化产生与流量无异的百分比变化 的流量。

    Refrigeration control system
    55.
    发明授权
    Refrigeration control system 失效
    制冷控制系统

    公开(公告)号:US4112703A

    公开(公告)日:1978-09-12

    申请号:US754194

    申请日:1976-12-27

    摘要: A controlled space is maintained at a desired set point temperature by adjusting the refrigerant temperature at the evaporator outlet in a refrigeration system, thereby controlling the evaporator effectiveness or capacity which is inversely proportional to the outlet temperature. When the space temperature tends to vary from the desired set point due to a changing heat load, the control system automatically changes the refrigerant flow through the evaporator to establish the evaporator outlet temperature at the control point required to maintain the controlled space at the desired temperature. More specifically, in response to a space temperature increase, the flow rate of the refrigerant increases; and in response to a drop below the set point, the refrigerant flow decreases. Such control of the flow rate is achieved by varying the actuation of an electromechanical valve, such as a solenoid valve, interposed between the condenser and evaporator in the refrigeration system, the valve also serving as the system's expansion device. When the heat load on the evaporator is constant, the refrigerant flow is controlled in order to hold the evaporator outlet temperature fixed at the required control point.

    SYSTEM AND APPARATUS FOR ELECTRONIC CONTROL OF AN ABSORPTION REFRIGERATION SYSTEM
    58.
    发明申请
    SYSTEM AND APPARATUS FOR ELECTRONIC CONTROL OF AN ABSORPTION REFRIGERATION SYSTEM 审中-公开
    用于吸收式制冷系统电子控制的系统和装置

    公开(公告)号:US20160252285A1

    公开(公告)日:2016-09-01

    申请号:US15027333

    申请日:2014-10-07

    IPC分类号: F25B49/04 F25B15/04

    摘要: This invention relates to a system and apparatus for electronic control of an absorption refrigeration machine. The flow of liquids within the machine, as well as the concentration of the refrigerant/absorbent mixture solution are precisely controlled through the use of solenoid valves. These solenoids are controlled via a microprocessor control system with various sensors attached, which may include fluid level sensors, pressure sensors, temperature sensors and other environmental data sensors.

    摘要翻译: 本发明涉及吸收式制冷机的电子控制系统和装置。 通过使用电磁阀精确地控制机器内的液体流动以及制冷剂/吸收剂混合物溶液的浓度。 这些螺线管通过连接有各种传感器的微处理器控制系统进行控制,其可以包括液位传感器,压力传感器,温度传感器和其它环境数据传感器。

    Refrigerant cycle and method of controlling the same
    60.
    发明授权
    Refrigerant cycle and method of controlling the same 失效
    制冷循环及其控制方法

    公开(公告)号:US08266920B2

    公开(公告)日:2012-09-18

    申请号:US12527828

    申请日:2008-02-19

    IPC分类号: F25B49/00 F25D19/00

    摘要: An object of the present invention is to reduce electrical noise in accordance with the necessity of a countermeasure taken against electrical noise without changing a structure of an expansion valve. In a case where a judgment result as to whether or not the countermeasure against electrical noise is taken is affirmative, a drive timing (interval) of an expansion valve (107) is increased. Further, a driving amount is reduced. Accordingly, a flow of a refrigerant is made slow, whereby it is possible to reduce generated electrical noise while performing instructed temperature control.

    摘要翻译: 本发明的一个目的是根据在不改变膨胀阀的结构的情况下对抗电气噪声的对策的必要性来降低电气噪声。 在判断是否采取了电噪声的对策的判断结果为肯定的情况下,膨胀阀(107)的驱动定时(间隔)增加。 此外,减少驱动量。 因此,制冷剂的流动变慢,由此可以在执行指示的温度控制的同时减少产生的电噪声。