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    • 6. 发明授权
    • Thermal expansion valve
    • 热膨胀阀
    • US5642858A
    • 1997-07-01
    • US619213
    • 1996-03-21
    • Nobuharu KakehashiYoshitaka TomatsuHiroshi KishitaYasushi YamanakaKenichi Fujiwara
    • Nobuharu KakehashiYoshitaka TomatsuHiroshi KishitaYasushi YamanakaKenichi Fujiwara
    • F16K31/68F25B41/06G05D23/12F25B41/04
    • F25B41/062F25B2341/0683
    • According to the present invention, a thermal expansion valve for a refrigerating cycle includes a housing having a throttle passage therein for expanding the refrigerant thereinto from the high-pressure side liquid refrigerant circuit, a valve element provided within the housing for adjusting opening degree of the throttle passage, and a thermosensitive element movably disposed within the housing. The thermosensitive element includes a case and a pressure responding member disposed within the case and displacing according to temperature and pressure of the refrigerant at the exit of an evaporator. The case of the thermosensitive element is integrally connected to the valve element, and the thermosensitive element and the valve element are so constructed as to integrally move according to the displacement of the pressure responding member. Accordingly, even if the valve element vibrates due to the sharp expansion of the refrigerant and the vibration transmits to the thermosensitive element case, as the thermosensitive element case is movable with respect to the housing and the housing are separated from the thermosensitive case, most of the vibration is prevented from being transmitted to the housing.
    • 根据本发明,一种用于制冷循环的热膨胀阀包括:壳体,其具有用于使制冷剂从高压侧液体制冷剂回路膨胀的节流通道,设置在壳体内用于调节制冷剂的开度的阀元件 节流通道和可移动地设置在壳体内的热敏元件。 热敏元件包括壳体和设置在壳体内的压力响应构件,并且根据在蒸发器的出口处的制冷剂的温度和压力而移位。 热敏元件的情况一体地连接到阀元件,并且热敏元件和阀元件被构造成根据压力响应元件的位移一体地移动。 因此,即使阀元件由于制冷剂的急剧膨胀而振动并且振动传递到热敏元件壳体,由于热敏元件壳体相对于壳体可移动并且壳体与热敏套筒分离,所以大部分 防止振动传递到壳体。
    • 8. 发明授权
    • Idling speed control system
    • 怠速控制系统
    • US5199272A
    • 1993-04-06
    • US893848
    • 1992-06-04
    • Yasushi YamanakaShigeo NumazawaHideki SuzukiHiroshi KishitaYasuyuki Nishi
    • Yasushi YamanakaShigeo NumazawaHideki SuzukiHiroshi KishitaYasuyuki Nishi
    • B60H1/32
    • B60H1/322B60H1/3208B60H1/3216B60H2001/3238B60H2001/3254B60H2001/3255B60H2001/3266B60H2001/3273
    • In idling speed control system for an engine, for use with a refrigeration circuit for circulating refrigerant through a variable capacity type compressor driven by the engine, a condenser and an evaporator, an idling adjuster is provided to adjust a quantity of an air flow bypassing a throttle valve disposed in a suction passage of the engine and sucked into a combustion chamber of the engine. The control system is arranged to detect Numerical information required for calculating a first influence degree given to an output of the engine by the compressor during operation of the refrigeration circuit, to estimate, in accordance with the numerical information, a second influence degree which will be given to the engine output by the compressor under condition that the engine drives the compressor at a predetermined idling speed and the refrigeration circuit is maintaining cooling ability in a predetermined state. The control system is further arranged to output a control signal dependent on the estimated second influence degree to the idling adjuster prior to idling operation of the engine and for rendering the idling adjuster adjusting the bypassed air flow quantity in accordance with the estimated second influence degree.
    • 在用于发动机的空转速度控制系统中,用于通过由发动机驱动的可变容量型压缩机,冷凝器和蒸发器使制冷剂循环的制冷回路,设置怠速调节器,以调节旁路的空气流量 设置在发动机的吸入通路内并被吸入发动机的燃烧室的节流阀。 控制系统被配置为检测计算在制冷回路运转期间由压缩机给予发动机的输出的第一影响程度所需的数值信息,根据数值信息来估计第二影响程度 在发动机以预定的空转速度驱动压缩机的条件下,由压缩机给予发动机输出,并且制冷回路在预定状态下保持冷却能力。 所述控制系统还被配置为根据所估计的第二影响程度,在所述发动机怠速运转之前,将取决于所估计的所述第二影响程度的控制信号输出到所述怠速调节器,并使所述怠速调节器根据所述估计的第二影响程度来调整所述旁路气流量。
    • 9. 发明授权
    • Thermal expansion valve and air conditioning apparatus using the same
    • 热膨胀阀和使用其的空调装置
    • US5732570A
    • 1998-03-31
    • US755212
    • 1996-11-22
    • Yoshitaka TomatsuYasutaka KurodaNobuharu KakehashiHiroshi KishitaYasushi YamanakaKenichi Fujiwara
    • Yoshitaka TomatsuYasutaka KurodaNobuharu KakehashiHiroshi KishitaYasushi YamanakaKenichi Fujiwara
    • B60H1/32F25B41/06G05D23/02
    • F25B41/062B60H1/3229F25B2341/0683F25B2500/17
    • A thermal expansion valve for automotive coolant systems which is significantly more compact than previously developed expansion values. The housing of the expansion valve is divided into a first housing formed in a cylindrical shape with a bottom and a second housing formed in a columnar shape. The first housing is fit into the second housing, and both are integrally connected to each other. A temperature sensing mechanism having a temperature sensing chamber and an expansion mechanism for adjusting an opening degree of a throttle passage in accordance with an evaporator outlet temperature sensed by the temperature sensing means are disposed in the second housing. First and fourth joint portions connected to inlet and outlet refrigerant pipes of the evaporator, respectively, are at the bottom of the first housing. On the other hand, second and third joint portions connected to a compressor suction side refrigerant pipe and a high-pressure side refrigerant pipe from a receiver, respectively, are at an outer surface of the second housing. In this manner the overall size of the expansion valve is reduced considerably, thus saving valuable space in an engine compartment of a vehicle.
    • 一种用于汽车冷却剂系统的热膨胀阀,其比以前开发的膨胀值显着更紧凑。 膨胀阀的壳体被分为形成为圆柱形的第一壳体和底部,第二壳体形成为柱状。 第一壳体配合到第二壳体中,并且两者彼此一体地连接。 具有温度检测室和用于根据由温度感测装置感测到的蒸发器出口温度来调节节流通道的开度的膨胀机构的温度检测机构设置在第二壳体中。 分别连接到蒸发器的入口和出口制冷剂管的第一和第四接头部分位于第一壳体的底部。 另一方面,从接收器分别连接到压缩机吸入侧制冷剂管和高压侧制冷剂管的第二和第三接合部分分别位于第二壳体的外表面。 以这种方式,膨胀阀的总体尺寸显着减小,从而节省了在车辆的发动机室中的宝贵空间。