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    • 3. 发明专利
    • Refrigeration cycle device
    • 制冷循环装置
    • JP2014149103A
    • 2014-08-21
    • JP2013016577
    • 2013-01-31
    • Nippon Soken Inc株式会社日本自動車部品総合研究所Denso Corp株式会社デンソー
    • KOMURA MASATOKAMIYA HARUOOZAKI YUKIKATSUEBARA TOSHIYUKIINOUE TAKASHIKISHI KENTARO
    • F25B1/00
    • PROBLEM TO BE SOLVED: To sufficiently cool an electric motor of a motor compressor in a refrigeration cycle device forming an injection cycle.SOLUTION: A housing 11 of a compressor 1 is provided with: a suction port 11a which suctions a low pressure refrigerant evaporated in an outdoor heat exchanger 7; an injection port 11b which causes an intermediate pressure refrigerant to join the refrigerant in a compression process; a discharge port 11c which discharges a high pressure refrigerant; an inflow port 11e which flows a refrigerant for cooling an electric motor to a motor chamber 11d in which an electric motor 13 is housed; and an outflow port 11f which flows out the refrigerant from the motor chamber 11d. Further, the housing is provided with a three-way valve 8 serving as refrigerant flow passage switching means which leads the refrigerant flowing out from the outflow port 11f to the injection port 11b when an injection cycle is formed and leads the refrigerant flowing out from the outflow port 11f to the outdoor heat exchanger 7 when the injection cycle is not formed.
    • 要解决的问题:为了充分冷却形成喷射循环的制冷循环装置中的电动机压缩机的电动机。解决方案:压缩机1的壳体11设置有:吸入口11a,吸入低压制冷剂蒸发 室外热交换器7; 在压缩过程中使中压制冷剂与制冷剂接合的喷射口11b; 排出高压制冷剂的排出口11c; 将用于冷却电动机的制冷剂流入容纳电动机13的电动机室11d的流入口11e; 以及从电动机室11d流出制冷剂的流出口11f。 此外,壳体设有用作制冷剂流路切换装置的三通阀8,当形成喷射循环时,将从流出口11f流出的制冷剂引导到喷射口11b,并将制冷剂从 在没有形成喷射循环时,流出口11f流到室外热交换器7。
    • 6. 发明专利
    • Oil separator
    • 油分离器
    • JP2014083520A
    • 2014-05-12
    • JP2012236327
    • 2012-10-26
    • Nippon Soken Inc株式会社日本自動車部品総合研究所Denso Corp株式会社デンソー
    • KOMURA MASATOEBARA TOSHIYUKIINOUE TAKASHIHOTTA TADASHIKISHI KENTARO
    • B01D45/12F04B39/04F04C29/02
    • PROBLEM TO BE SOLVED: To provide an oil separator capable of suppressing degradation of oil separation efficiency, and reducing an energy loss, regardless of the flow rate change of fluid flowing into the inside.SOLUTION: On an oil separator equipped with a cylindrical container 41 formed with a plurality of coolant flowing inlets 41a making a coolant mixed with oil flow in, and a swiveling space 41b the fluid mixed with the oil flowing in from the coolant flowing inlets 41a, a reed valve 43 is provided, which increases one coolant passage area of the plurality of coolant flowing inlets 41a with the increase of a flow rate of the coolant flowing into the cylindrical container 41. Therefore, when the flow rate of the coolant flowing into the cylindrical container 41 is increased, the increase of a pressure loss is suppressed to reduce an energy loss. When the flow rate of the coolant flowing into the cylindrical container 41 is decreased, the lowing of the flowing speed of the coolant swiveling in the swiveling space 41b is suppressed to suppress the degradation of oil separation efficiency.
    • 要解决的问题:提供一种能够抑制油分离效率降低并且降低能量损失的油分离器,而与流入内部的流体的流量变化无关。解决方案:在装备有圆柱形容器41的油分离器 形成有多个冷却剂流入口41a,其使得与油流入的冷却剂混合,并且旋转空间41b设置有与从冷却剂流入口41a流入的油混合的流体簧片阀43,这增加了一个冷却剂通道 随着冷却剂流入圆筒形容器41的流量的增加,多个冷却剂流入口41a的面积增加。因此,当流入圆筒形容器41的冷却剂的流量增加时,压力损失的增加 被抑制以减少能量损失。 当流入圆筒形容器41的冷却剂的流量减少时,可以抑制在旋转空间41b中旋转的冷却剂的流动速度的降低,以抑制油分离效率的劣化。
    • 8. 发明专利
    • Refrigeration cycle device
    • 制冷循环装置
    • JP2014095510A
    • 2014-05-22
    • JP2012247359
    • 2012-11-09
    • Nippon Soken Inc株式会社日本自動車部品総合研究所Denso Corp株式会社デンソー
    • KOMURA MASATOEBARA TOSHIYUKIINOUE TAKASHIHOTTA TADASHIKISHI KENTARO
    • F25B1/00
    • F25B49/02F25B2341/0662F25B2400/13F25B2600/2513F25B2700/1931F25B2700/1933
    • PROBLEM TO BE SOLVED: To improve a performance coefficient of a refrigeration cycle device by reducing pressure loss when discharging a cooling medium from a compressor.SOLUTION: By controlling throttle opening of an expansion valve 3 for intermediate pressure of a refrigeration cycle device configuring a gas injection cycle, pressure of an intermediate pressure cooling medium flowing into a compression chamber from an injection port 1b is adjusted in such a manner that a cooling medium pressure in the compression chamber becomes closer to a pressure of a cooling medium on a high pressure side Pd of the cycle, when the compression chamber of a compressor 1 communicates with a discharge port 1c. Thereby, backflow of the cooling medium on a high pressure side into the compression chamber via the discharge port 1c can be suppressed, and a check valve for a discharge port can be eliminated. Therefore, a performance coefficient of a refrigeration cycle device can be improved by reducing pressure loss when discharging a cooling medium from the compressor.
    • 要解决的问题:通过减少从压缩机排出冷却介质时的压力损失来提高制冷循环装置的性能系数。解决方案:通过控制构成气体的制冷循环装置的中间压力的膨胀阀3的节气门开度 喷射循环,从喷射口1b流入压缩室的中压冷却介质的压力被调节成使得压缩室中的冷却介质压力变得更接近于高压侧Pd上的冷却介质的压力 当压缩机1的压缩室与排出口1c连通时。 由此,可以抑制高压侧的冷却介质经由排出口1c向压缩室的回流,能够消除排出口的止回阀。 因此,通过减少从压缩机排出冷却介质时的压力损失,可以提高制冷循环装置的性能系数。
    • 9. 发明专利
    • Vapor compression refrigerating cycle
    • 蒸气压缩制冷循环
    • JP2010032100A
    • 2010-02-12
    • JP2008194001
    • 2008-07-28
    • Denso Corp株式会社デンソー
    • TAKEUCHI HIROKAZUEBARA TOSHIYUKI
    • F25B1/00F25B1/04F25B1/047
    • PROBLEM TO BE SOLVED: To provide a vapor compression refrigerating cycle capable of improving reliability of a compressor and efficiency of the cycle by improving return performance of lubricating oil discharged from the compressor.
      SOLUTION: In the vapor compression refrigerating cycle 110, an oil storage chamber 111a for storing lubricating oil for a predetermined sliding part is formed within the compressor 111. When a difference (A-B) between suction enthalpy A of a refrigerant sucked by the compressor 111 and enthalpy B on a saturation vapor line at low pressure side pressure of the refrigerant is defined as ratio enthalpy X, a control part 120 executes ratio enthalpy control operation to make remaining ratio of lubricating oil in the oil storage chamber 111a falls into a predetermined range of remaining oil ratio by adjusting a valve opening of an expansion valve 113 so that the ratio enthalpy X is within a predetermined range during operation of the refrigerating cycle 110.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:通过提高从压缩机排出的润滑油的返回性能,提供能够提高压缩机的可靠性和循环效率的蒸气压缩式制冷循环。 解决方案:在蒸气压缩冷冻循环110中,在压缩机111内形成用于储存用于预定滑动部分的润滑油的储油室111a。当由吸入的制冷剂吸入的制冷剂的吸入焓A之间的差(AB) 压缩机111和制冷剂的低压侧压力的饱和蒸汽管线上的焓B被定义为比焓X,控制部120执行比率焓控制操作,以使储油室111a中的润滑油的剩余比率落入 通过调节膨胀阀113的阀门开度使得比例焓X在制冷循环110的运行期间在预定范围内来确定剩余油比的预定范围。版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • 圧縮機
    • 压缩机
    • JP2015052306A
    • 2015-03-19
    • JP2013186080
    • 2013-09-09
    • 株式会社日本自動車部品総合研究所Nippon Soken Inc株式会社デンソーDenso Corp
    • KOMURA MASATOINOUE MASASHIINOUE TAKASHIEBARA TOSHIYUKI
    • F04B39/06F04B39/10F04C18/02F04C29/04
    • F04B39/06F04B39/10F04B39/1086F04C18/0215F04C23/008F04C29/128F16K15/16
    • 【課題】圧縮対象流体の逆流をリードバルブによって防止する圧縮機において、リードバルブに起因する流路抵抗の増加を抑制する。【解決手段】下流側通路形成部材12のうちリードバルブ穴126の底面を構成する部位には、弁体部522が変位するために必要な空間である逆止弁室51を形成する逆止弁室形成穴127が形成されており、下流側通路形成部材12のうち逆止弁室形成穴127を形成する部位には、下流側通路125の開口部125aが形成されており、下流側通路125の開口部125aは、リードバルブ穴126の軸方向から見たときに、上流側通路531の開口部531aに対してずれた位置に配置されており、接続部523には、その表裏を貫通する孔部524が少なくとも1つ形成されている。【選択図】図8
    • 要解决的问题:抑制由于用于防止压缩对象流体被簧片阀回流的压缩机中的簧片阀引起的流通阻力的增加。解决方案:形成止回阀室51的止回阀室形成孔127,其形成为 在形成下游侧通道形成部件12的簧片阀孔126的底面的部分形成阀元件522的位移所需的空间,在形成检查部的部分形成下游侧通路125的开口部125a 下游侧通道形成构件12的阀室形成孔127和下游侧通道125的开口125a布置成从簧片阀孔的轴向方向从上游侧通道531的开口531a偏移 126,并且在连接部523中,形成穿过前部和后部的孔524中的至少一个。