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    • 1. 发明申请
    • Heat Pump Apparatus
    • 热泵设备
    • US20070266720A1
    • 2007-11-22
    • US10564033
    • 2005-04-26
    • Keizo MatsuiHiroshi HasegawaFumitoshi Nishiwaki
    • Keizo MatsuiHiroshi HasegawaFumitoshi Nishiwaki
    • F25B27/00
    • F25B9/06F01D15/10F25B1/04F25B9/008F25B2309/061F25B2600/17
    • The present invention realizes a reliable heat pump apparatus and heat pump apparatus having high recovering efficiency. The heat pump apparatus includes an expander 711 for expanding working fluid, a permanent magnet type synchronization power generator 710 which is disposed for recovering power by the expander 711 and which generates three phase AC power, and a first converter 708 which converts the AC power to DC power, and which rotates the power generator 710 at a predetermined target number of revolutions by switching of a switching element group 709. The generated electricity is consumed by connection of an AC power supply 701 to a DC power line which is rectified and smoothened by a rectifier circuit 702 and a smoothing capacitor 703, and by driving of an electric motor 706 which rotates a compressor 707 through a motor drive apparatus 704, and the power is efficiently recovered.
    • 本发明实现了具有高回收效率的可靠的热泵装置和热泵装置。 热泵装置包括用于扩大工作流体的膨胀机711,设置用于通过膨胀机711回收功率并产生三相交流电力的永久磁铁式同步发电机710,以及将AC功率转换为 直流电力,并且通过开关元件组709的切换使功率发生器710旋转预定的目标转数。通过将交流电源701连接到由直流电源线进行整流和平滑处理的直流电力线而消耗所产生的电力 整流电路702和平滑电容器703,以及通过马达驱动装置704使压缩机707旋转的电动机706的驱动,并且有效地恢复电力。
    • 2. 发明授权
    • Heat pump apparatus
    • 热泵设备
    • US07669430B2
    • 2010-03-02
    • US10564033
    • 2005-04-26
    • Keizo MatsuiHiroshi HasegawaFumitoshi Nishiwaki
    • Keizo MatsuiHiroshi HasegawaFumitoshi Nishiwaki
    • F25B9/00
    • F25B9/06F01D15/10F25B1/04F25B9/008F25B2309/061F25B2600/17
    • The present invention realizes a reliable heat pump apparatus and heat pump apparatus having high recovering efficiency. The heat pump apparatus includes an expander 711 for expanding working fluid, a permanent magnet type synchronization power generator 710 which is disposed for recovering power by the expander 711 and which generates three phase AC power, and a first converter 708 which converts the AC power to DC power, and which rotates the power generator 710 at a predetermined target number of revolutions by switching of a switching element group 709. The generated electricity is consumed by connection of an AC power supply 701 to a DC power line which is rectified and smoothened by a rectifier circuit 702 and a smoothing capacitor 703, and by driving of an electric motor 706 which rotates a compressor 707 through a motor drive apparatus 704, and the power is efficiently recovered.
    • 本发明实现了具有高回收效率的可靠的热泵装置和热泵装置。 热泵装置包括用于扩大工作流体的膨胀机711,设置用于通过膨胀机711回收功率并产生三相交流电力的永久磁铁式同步发电机710,以及将AC功率转换为 直流电力,并且通过开关元件组709的切换使功率发生器710旋转预定的目标转数。通过将交流电源701连接到由直流电源线进行整流和平滑处理的直流电力线而消耗所产生的电力 整流电路702和平滑电容器703,以及通过马达驱动装置704使压缩机707旋转的电动机706的驱动,并且有效地恢复电力。
    • 6. 发明授权
    • Vane rotary expansion engine
    • 叶片旋转膨胀发动机
    • US07347675B2
    • 2008-03-25
    • US10511310
    • 2003-04-17
    • Hiroshi HasegawaFumitoshi Nishiwaki
    • Hiroshi HasegawaFumitoshi Nishiwaki
    • F03C2/00F04C2/00
    • F01C20/16F01C1/3442
    • A high-efficiency vane rotary expander is provided, which prevents a loss due to incomplete expansion or overexpansion from occurring because the volume of an operating chamber may vary. This is done by forming a plurality of discharge ports (28, 29, 48, 49, 50) in an inner wall (21a, 41a) of a cylinder in the circumferential direction, placing, among these discharge ports, the discharge port (28, 48), to which the operating chamber (25, 45) connects at the initial stage of the discharging process, at a position of {180×(1+1/n)} degrees from a small clearance (22, 42) defined between the cylinder (21, 41) and the rotor (23, 43) in the direction where a shaft rotates, and providing a valve mechanism (30a, 30b, 51a, 51b, 52a, 52b).
    • 提供了一种高效率的叶片旋转式膨胀机,其防止由于操作室的体积变化而导致由于不完全膨胀或过度膨胀而导致的损失。 这是通过在圆周方向的圆筒的内壁(21a,41a)中形成多个排出口(28,29,48,49,50),在这些排出口中设置排出口 (28,48),其在操作室(25,45)在放电过程的初始阶段处连接到{180x(从+ 所述气缸(21,41)和所述转子(23,43)沿轴旋转的方向,并且提供阀机构(30a,30b,51a,51b,52a,52b)。
    • 8. 发明申请
    • Rotary compressor
    • 旋转压缩机
    • US20050214151A1
    • 2005-09-29
    • US10514691
    • 2003-11-17
    • Atsuo OkaichiHiroshi HasegawaFumitoshi Nishiwaki
    • Atsuo OkaichiHiroshi HasegawaFumitoshi Nishiwaki
    • F01C21/08F04C18/356F04C23/00F04C2/00F01C19/02
    • F01C21/0872F01C21/0809F01C21/0845F04C18/3564F04C23/008F04C2210/261
    • A rotary compressor includes a coil spring to press a vane against a roller, and the contact area between the vane and a vane groove is secured by a simple and inexpensive construction, whereby the compressor size is decreased while the leakage of working fluid is restrained. The rotary compressor includes a closed vessel, a cylinder having a vane groove, which is located in the closed vessel, and a shaft having an eccentric portion. A roller is rotatably fitted on the eccentric portion of the shaft to eccentrically rotate in the cylinder. A vane is provided in the vane groove in the cylinder to reciprocate in the vane groove while a tip end thereof is in contact with the roller, and the coil spring is provided for pressing the vane against the roller. The vane is provided with a spring hole on the side opposite to the side on which the vane is in contact with the roller, and the spring hole contains at least a part of the coil spring.
    • 一种旋转式压缩机包括用于将叶片压靠在辊上的螺旋弹簧,并且通过简单且廉价的结构来确保叶片和叶片槽之间的接触面积,由此在抑制工作流体泄漏的同时减小了压缩机尺寸。 旋转压缩机包括密闭容器,具有位于密闭容器中的叶片槽的圆筒和具有偏心部分的轴。 辊可旋转地装配在轴的偏心部分上以在气缸中偏心旋转。 在气缸中的叶片槽中设置有叶片,以在叶片槽的顶端与辊接触的同时在叶片槽中往复运动,并且设置螺旋弹簧用于将叶片压靠在辊上。 叶片在与叶片接触的一侧的相对侧上设置有弹簧孔,弹簧孔包含至少一部分螺旋弹簧。