Pressure control valve for refrigerating system
    12.
    发明授权
    Pressure control valve for refrigerating system 失效
    制冷系统压力控制阀

    公开(公告)号:US6012300A

    公开(公告)日:2000-01-11

    申请号:US116898

    申请日:1998-07-17

    摘要: A pressure control valve controlling the temperature and pressure at the outlet side of a heat emitter so as to enable efficient operation by a CO.sub.2 system operating at the super critical region, wherein CO.sub.2 is sealed in a closed space at one side of a diaphragm moving the valve element at a density of approximately 600 kg/m.sup.3, a through member made of a material with a high heat conductivity is provided extending between the inside and outside of the closed space, and step differences are eliminated at the contact surfaces to improve the durability of the diaphragm.

    摘要翻译: 控制发热体出口侧的温度和压力的压力控制阀,以便能够通过在超临界区域运行的CO 2系统进行有效的操作,其中CO 2密封在隔膜的一侧的封闭空间中, 密封约600kg / m 3的阀元件,由导热性高的材料构成的贯通构件设置在封闭空间的内部和外部之间延伸,并且在接触表面处消除步进差异以提高耐久性 的隔膜。

    Expansion valve for refrigerating cycle
    13.
    发明申请
    Expansion valve for refrigerating cycle 审中-公开
    膨胀阀用于制冷循环

    公开(公告)号:US20060150650A1

    公开(公告)日:2006-07-13

    申请号:US11330941

    申请日:2006-01-12

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

    摘要: An expansion valve for a refrigerating cycle, in which the body dimensions and the weight of the whole valve can be reduced and a reduction in cost can be achieved. An expansion valve of the invention comprising a temperature-sensing portion arranged in a refrigerant passage leading to an evaporator from a gas cooler or an internal heat exchanger in a vapor compression type refrigerating cycle and varied in internal pressure according to a refrigerant temperature at an outlet side of the gas cooler or on an outlet side of the internal heat exchanger, a valve member that mechanically interlocks with a change in internal pressure of the temperature-sensing portion to adjust an opening degree of a valve port, and a body that accommodates therein the valve member, and wherein the body is provided with a flow passage, through which a refrigerant reduced in pressure by the valve member is led to the evaporator while a refrigerant temperature at the outlet side of the gas cooler or on the outlet side of the internal heat exchanger is transmitted to the temperature-sensing portion. Also, that density, at which a refrigerant is charged in a temperature-sensing body, is set in the range of about 200 kg/m3 to about 600 kg/m3. Further, a ratio of a temperature-sensing cylinder corresponding portion to the temperature-sensing body is made at least 60%.

    摘要翻译: 一种用于制冷循环的膨胀阀,其中可以减小主体尺寸和整个阀的重量并降低成本。 本发明的膨胀阀包括温度感测部分,其布置在通过蒸汽压缩型制冷循环中的气体冷却器或内部热交换器通向蒸发器的制冷剂通道中,并根据出口处的制冷剂温度而变化内部压力 气体冷却器的一侧或内部热交换器的出口侧,阀构件,其与温度感测部的内部压力的变化机械地联锁以调节阀口的开度,以及容纳在其中的主体 阀构件,并且其中主体设置有流动通道,通过该流动通道将由阀构件减压的制冷剂引导到蒸发器,同时在气体冷却器的出口侧处的制冷剂温度或在气体冷却器的出口侧 内部热交换器被传送到温度感测部分。 此外,将制冷剂在感温体内充电的密度设定在约200kg / m 3〜约600kg / m 3以下的范围内 >。 此外,温度感测筒对应部分与温度检测体的比率至少为60%。

    Refrigerating cycle apparatus
    16.
    发明授权
    Refrigerating cycle apparatus 失效
    制冷循环装置

    公开(公告)号:US06880362B2

    公开(公告)日:2005-04-19

    申请号:US10874113

    申请日:2004-06-22

    摘要: In a refrigerating cycle, a heat radiation of a gas cooler is reduced by a heat radiation reduction member when one of a pressure and a temperature of a high pressure side refrigerant is equal to or less than a predetermined value. When a discharge pressure of the refrigerant discharged from a compressor is equal to or lower than the predetermined level, the heat radiation of the gas cooler is reduced by the heat radiation reduction member. Thus, the refrigerant pressure of the high pressure side is increased while the refrigerant pressure of a low pressure side is decreased. With this, a flow rate at a high pressure inlet of an ejector is increased. Also, a flow rate at a low pressure inlet of the ejector is increased. Accordingly, a temperature of air blown from an evaporator is decreased without frosting the evaporator even when a load of the cycle is low.

    摘要翻译: 在制冷循环中,当高压侧制冷剂的压力和温度之一等于或小于预定值时,通过散热构件降低气体冷却器的散热。 当从压缩机排出的制冷剂的排出压力等于或低于预定水平时,通过散热部件降低气体冷却器的散热。 因此,当低压侧的制冷剂压力降低时,高压侧的制冷剂压力增加。 由此,喷射器的高压入口处的流量增加。 此外,喷射器的低压入口处的流量增加。 因此,即使当循环的负荷低时,蒸发器吹出的空气的温度降低也不会使蒸发器结霜。

    Pipe joint for refrigeration cycle having combination of O-ring and backup ring
    17.
    发明申请
    Pipe joint for refrigeration cycle having combination of O-ring and backup ring 审中-公开
    用于制冷循环的管接头,具有O形环和备用环的组合

    公开(公告)号:US20050046187A1

    公开(公告)日:2005-03-03

    申请号:US10899732

    申请日:2004-07-27

    CPC分类号: F16L21/035 F16L21/03

    摘要: A pipe joint for the refrigeration cycle is disclosed. A female joint (20) has a fitting recess (24), and a male join (10) has a fitting protrusion (14) and a stepped portion (13). In the male joint (10) and the female joint (20), a backup ring (30) and an O-ring (31) are fitted adjacently to each other in the stepped portion. The fitting protrusion (14), the backup ring (30) and the O-ring (31) are fitted in a fitting recess (24). The O-ring (31) is formed of an elastic material having a high blister resistance to carbon dioxide refrigerant. The backup ring (30) is formed of a resin material having a smaller permeability coefficient than the O-ring (31) against the carbon dioxide refrigerant and plastically deformable under the pressure of the refrigerant imposed on the O-ring (31). The refrigerant leakage amount can thus be minimized.

    摘要翻译: 公开了一种用于制冷循环的管接头。 阴接头(20)具有嵌合凹部(24),阳接头(10)具有嵌合突起(14)和台阶部(13)。 在阳接头(10)和阴接头(20)中,支撑环(30)和O形环(31)在阶梯部分中彼此相邻地安装。 装配突起(14),支撑环(30)和O形环(31)装配在装配凹部(24)中。 O形环(31)由对二氧化碳制冷剂具有高耐起泡性的弹性材料形成。 所述支承环(30)由相对于所述二氧化碳制冷剂具有比所述O形环(31)的渗透系数小的树脂材料形成,并且在施加在所述O形环(31)上的制冷剂的压力下可塑性变形。 因此可以使制冷剂泄漏量最小化。

    Pipe joint for refrigeration cycle
    18.
    发明申请
    Pipe joint for refrigeration cycle 有权
    管接头用于制冷循环

    公开(公告)号:US20050023828A1

    公开(公告)日:2005-02-03

    申请号:US10895751

    申请日:2004-07-21

    摘要: The front end portion of a fitting projection from the portion on which a backup ring is mounted to the front end, has a diameter smaller than the inner diameter of the backup ring. The backup ring is endless in the circumferential direction thereof. A bias cut of the backup ring is not required when the backup ring is fitted on the fitting projection and, accordingly, the endless backup ring which continuously extends in a circumferential direction can be used. Therefore, the backup ring can also function as a sealing member and, thus, the refrigeration cycle pipe joint having the excellent refrigerant sealing property can be obtained. Consequently, a necessary amount of a refrigerant can be reduced because the amount of a refrigerant which permeates to the atmosphere is reduced, and the size of a receiver or an accumulator, having a refrigerant storing function, can be reduced.

    摘要翻译: 从安装支撑环的部分到前端的配件突起的前端部的直径小于支撑环的内径。 支撑环在其圆周方向上是环形的。 当支撑环安装在配件突起上时,不需要支撑环的偏压,因此可以使用沿周向方向连续延伸的环形支撑环。 因此,支撑环也可以用作密封构件,因此可以获得具有优异的制冷剂密封性的制冷循环管接头。 因此,由于降低了渗入大气的制冷剂的量,可以减少必要量的制冷剂,并且可以减小具有制冷剂储存功能的容器或蓄能器的尺寸。

    Pressure control valve
    19.
    发明授权
    Pressure control valve 失效
    压力控制阀

    公开(公告)号:US06189326B1

    公开(公告)日:2001-02-20

    申请号:US09348153

    申请日:1999-07-06

    IPC分类号: F25B4104

    摘要: A temperature sensing portion of a control valve main body is located in a first refrigerant passage for communicating an outlet side of a radiator with an inlet side of an internal heat exchanger, and a second refrigerant passage for introducing the refrigerant flowing from the internal heat exchanger to an upstream side of a valve port in a refrigerant flow is formed in a casing main body. Accordingly, since it is possible to reduce a delay of temperature change in a sealed space (control chamber) with respect to refrigerant temperature change at the outlet side of the radiator, a temperature response characteristic of the pressure control valve is improved. Further, since it is not necessary to separately assemble a capillary tube, a temperature sensing cylinder or the like to the outlet side of the radiator, it is possible to reduce the number of processes for assembling the CO2 cycle and to attempt to reduce a manufacturing prime cost.

    摘要翻译: 控制阀主体的温度检测部分位于用于使散热器的出口侧与内部热交换器的入口侧连通的第一制冷剂通道和用于将从内部热交换器流入的制冷剂导入的第二制冷剂通路 在制冷剂流中的阀口的上游侧形成在壳体主体内。 因此,由于可以减少密封空间(控制室)相对于散热器出口侧的制冷剂温度变化的温度变化的延迟,因此能够提高压力控制阀的温度响应特性。 此外,由于不需要在散热器的出口侧分别组装毛细管,感温筒等,所以可以减少组装二氧化碳循环的工序数量,并试图减少制造 主要成本。