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    • 3. 发明申请
    • Pressure control valve
    • 压力控制阀
    • US20070068194A1
    • 2007-03-29
    • US11525017
    • 2006-09-21
    • Sadatake IseMasaki TomaruHisashi Asano
    • Sadatake IseMasaki TomaruHisashi Asano
    • F25B41/06
    • F25B41/062F25B2309/061F25B2500/01F25B2600/2505G05D16/103
    • A pressure control valve includes a valve main body (10A) having a high-pressure refrigerant inlet port (11) and a low-pressure refrigerant outlet port (12); a valve seat-attached valved passageway (20) formed in the valve main body (10A) for decompressing and guiding the refrigerant from the high-pressure refrigerant inlet port (11) to the low-pressure refrigerant outlet port (12) and configured to enable a differential pressure regulating valve (15) to be fitted therein; and a throttling passageway (30) provided with an orifice (32) having a predetermined effective cross-sectional area for enabling the high-pressure refrigerant inlet port (11) to communicate, through short-cutting or detouring the valve seat (21), with a region of the valved passageway which is located downstream side of the valve seat (21), thereby enabling a magnitude of lift of the differential pressure regulating valve (15) from the valve seat (21) to be altered depending on a magnitude of difference in pressure between a high-pressure side and a low-pressure side.
    • 压力控制阀包括具有高压制冷剂入口(11)和低压制冷剂出口(12)的阀主体(10A); 形成在阀主体(10A)中的用于将制冷剂从高压制冷剂入口(11)减压并引导到低压制冷剂出口(12)的阀座附接阀通道(20) 以使差压调节阀(15)装配在其中; 以及节流通道(30),其设置有具有预定有效横截面面积的孔口(32),以使高压制冷剂入口(11)能够通过短路或迂回阀座(21)连通, 具有位于阀座(21)的下游侧的带阀通道的区域,从而能够根据阀座(21)的大小来改变差压调节阀(15)从阀座(21)的升程大小 高压侧和低压侧之间的压力差。
    • 5. 发明申请
    • Pressure control valve
    • 压力控制阀
    • US20060117774A1
    • 2006-06-08
    • US11291337
    • 2005-12-01
    • Sadatake IseShu Yanagisawa
    • Sadatake IseShu Yanagisawa
    • F25B41/04F25B41/06
    • F25B41/062F25B40/00F25B2309/06F25B2309/061F25B2341/0683F25B2500/01
    • A pressure control valve to be integrated into a steam-compression type refrigerating cycle includes: a temperature-sensing cylinder for sensing the temperature of refrigerant on the outlet side of the gas cooler; a temperature-sensing pressure responding element provided with a temperature-sensing chamber communicating through a capillary tube with the temperature-sensing cylinder and designed to drive a valve body into a closed or open state in response to fluctuations of inner pressure of the temperature-sensing chamber; and a valve main body attached to the pressure responding element; wherein the temperature-sensing cylinder and the temperature-sensing chamber are filled with CO2 at a predetermined density and also with a bulking quantity of an inert gas, thereby enabling to adjust the pressure of refrigerant on the outlet side of the gas cooler in order to secure a maximum coefficient of performance relative to the temperature of refrigerant on the outlet side of the gas cooler.
    • 集成在蒸汽压缩型制冷循环中的压力控制阀包括:感温气缸,用于感测气体冷却器出口侧的制冷剂的温度; 温度感测压力响应元件,其设置有通过毛细管与温度感测圆筒连通的温度感测室,并且被设计成响应于温度感测的内部压力的波动而将阀体驱动到闭合或打开状态 房间 以及安装在压力响应元件上的阀主体; 其特征在于,所述温度感测筒和所述温度感测室以预定的密度填充有CO 2并且还具有膨胀量的惰性气体,从而能够调节所述气体冷却器出口侧的制冷剂的压力,以便 确保相对于气体冷却器出口侧的制冷剂的温度的最大性能系数。
    • 6. 发明授权
    • Pressure control valve
    • 压力控制阀
    • US06189326B1
    • 2001-02-20
    • US09348153
    • 1999-07-06
    • Yoshitaka TomatsuSadatake Ise
    • Yoshitaka TomatsuSadatake Ise
    • F25B4104
    • F25B41/062F25B9/008F25B40/00F25B2309/061F25B2341/063F25B2500/05F25B2600/17
    • 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.
    • 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。
    • 7. 发明授权
    • Thermostatic subcooling control valve
    • 恒温过冷控制阀
    • US5996900A
    • 1999-12-07
    • US67814
    • 1998-04-28
    • Sadatake Ise
    • Sadatake Ise
    • F16K7/17F16K31/68F25B40/00F25B41/06G05D23/12G05D27/00
    • F25B41/062F25B2400/051F25B2500/12F25B40/00
    • A thermostatic subcooling control valve is disclosed which is capable of enhancing evaporative power of an evaporator in a refrigerating cycle to thereby improve refrigerating capacity of the refrigerating cycle and which is capable of ensuring safety from danger of a high pressure refrigerant and which is capable of attaining improved precision and improved reliability. The thermostatic subcooling control valve according to the present invention comprises a valve body having a pressure-operative portion and a valving element operating portion for sensing temperature and pressure of a refrigerant to operate, and the valve body is contained in a casing provided with a refrigerant inlet connecting portion and a refrigerant outlet connecting portion. Preferably, the casing comprises an entrance casing member having the inlet connecting portion and an exit casing member having the outlet connecting portion, and the casing members are fixedly joined together to thereby contain the valve body.
    • 公开了一种恒温过冷控制阀,其能够提高制冷循环中的蒸发器的蒸发功率,从而提高制冷循环的制冷能力,并且能够确保高压制冷剂的安全性,并且能够实现 提高精度和提高可靠性。 根据本发明的恒温过冷控制阀包括具有压力操作部分的阀体和用于感测制冷剂的温度和压力操作的阀元件操作部分,并且阀体容纳在设置有制冷剂的壳体中 入口连接部分和制冷剂出口连接部分。 优选地,壳体包括具有入口连接部分的入口壳体构件和具有出口连接部分的出口壳体构件,并且壳体构件被固定地接合在一起,从而容纳阀体。