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    • 4. 发明授权
    • Multi-stage compressor
    • 多级压缩机
    • US08366406B2
    • 2013-02-05
    • US12516667
    • 2008-07-24
    • Hajime SatoYoshiyuki Kimata
    • Hajime SatoYoshiyuki Kimata
    • F04B25/00F25D17/04F25D1/10
    • F04C23/008F04C18/0215F04C18/356F04C23/005F04C29/042F04C29/045F25B1/10F25B31/008F25B2500/28F25B2600/2507F25B2600/2509
    • A multi-stage compressor is provided that reliably prevents liquid compression in a higher stage compression mechanism and also prevents compression efficiency degradation resulting from overheating of injection refrigerant and from the lubricating oil being raised up together with the injection refrigerant. An injection circuit is branched into a plurality of circuits. A first circuit thereof is communicatively connected to an inside space of a closed housing that is at the same side as the higher stage compression mechanism with respect to an electric motor, and a second circuit is communicatively connected to an inside space of the closed housing that is opposite from the higher stage compression mechanism with respect to the electric motor. The first circuit and the second circuit are provided with a switching mechanism for switching the injection circuit to the first circuit or the second circuit according to the dryness of the injection refrigerant.
    • 提供了一种多级压缩机,其可靠地防止在较高级压缩机构中的液体压缩,并且还防止由于注射制冷剂的过热而导致的压缩效率降低,并且与润滑油一起与注射制冷剂一起升高。 注入电路分支成多个电路。 其第一电路与相对于电动机处于与上级压缩机构相同侧的封闭壳体的内部空间连通地连接,第二电路与封闭壳体的内部空间连通地连接, 与较高级压缩机构相对于电动机相反。 第一电路和第二电路设置有用于根据注射制冷剂的干燥度将注入电路切换到第一电路或第二电路的开关机构。
    • 9. 发明授权
    • Scroll compressor having a gradually changing tip clearance
    • 具有逐渐变化的顶端间隙的涡旋压缩机
    • US07950912B2
    • 2011-05-31
    • US11989861
    • 2007-12-27
    • Hajime SatoTaichi TateishiYoshiyuki KimataYoshiaki MiyamotoYogo Takasu
    • Hajime SatoTaichi TateishiYoshiyuki KimataYoshiaki MiyamotoYogo Takasu
    • F03C2/00F03C4/00F04C2/00
    • F04C18/0215F04C18/0276F04C23/008F04C27/007
    • A scroll compressor performing three-dimensional compressions, which can optimize a tip clearance in operation while considering a thermal expansion and a pressure deformation and which can reduce a compression leakage to improve a compression efficiency thereby to realize a high performance. The leading end faces (13c and 13d) and the bottom face of a spiral wrap (13b) have a step portion (13e), and the wrap height on the outer circumference side of the spiral wrap (13b) is made larger than that on the inner circumference side wrap height. The spiral wrap (13b) on the inner circumference side with respect to the step portion (13e) is stepwise or continuously made gradually lower toward the center side of the spiral wrap (13b), and the tip clearance (Δi) of the spiral wrap on the inner circumference side with respect to the step portion (13) is made gradually larger toward the center side of the spiral wrap (13b).
    • 一种执行三维压缩的涡旋压缩机,其可以在考虑热膨胀和压力变形的同时优化操作中的顶端间隙,并且可以减小压缩泄漏以提高压缩效率,从而实现高性能。 前端面(13c,13d)和螺旋形包裹物(13b)的底面具有阶梯部(13e),螺旋形卷(13b)的外周侧的卷绕高度大于 内周侧包裹高度。 相对于台阶部(13e)的内周侧的螺旋形包裹体(13b)朝向螺旋形卷(13b)的中心侧逐渐或连续地逐渐变小,并且顶端间隙(&Dgr; i) 相对于台阶部(13)的内周侧的螺旋状卷绕部朝向螺旋形卷(13b)的中心侧逐渐变大。
    • 10. 发明申请
    • SCROLL COMPRESSOR AND AIR CONDITIONER
    • 滚筒压缩机和空调
    • US20100024467A1
    • 2010-02-04
    • US12443228
    • 2007-02-09
    • Hajime SatoTaichi TateishiHisao MizunoYogo Takasu
    • Hajime SatoTaichi TateishiHisao MizunoYogo Takasu
    • F04C18/02F04C29/04F25B31/00F25B1/00F25B43/02
    • F04C18/0269F04C18/0215F04C18/0261F04C18/0276
    • A scroll compressor and an air conditioner in which improvement of performance is achieved by a gas injection cycle and increase in manufacturing cost is prevented are provided. A scroll compressor includes a fixed scroll (23) and a turning scroll (25) each having an end panel (23a, 25a) formed with a convoluted wall body (23b, 25b) extending upright from one side surface thereof, and forms a plurality of compression chambers for compressing refrigerant by being engaged with each other, characterized in that a shoulder (42) is provided on one side surface of the end panel (23a) of the fixed scroll (23), and the wall body (25b) of the turning scroll (25) is provided on an upper edge thereof with a disaligned portion (45) corresponding to the shoulder (42) of the end panel (23a), a supply unit (17p) for supplying the refrigerant supplied from an outside to the plurality of compression chambers in the course of compression of the refrigerant, and the refrigerant is supplied from the supply unit (17p) while at least the plurality of compression chambers include the shoulder (42) and the disaligned portion (45) being apart from each other.
    • 提供了一种通过气体注入循环实现性能提高并且防止制造成本增加的涡旋压缩机和空调。 涡旋压缩机包括固定涡旋件(23)和转动涡旋件(25),每个涡旋盘(25)具有形成有从其一个侧表面直立延伸的回旋壁体(23b,25b)的端板(23a,25a) 用于通过彼此接合来压缩制冷剂的压缩室,其特征在于,在所述固定涡旋件(23)的端板(23a)的一个侧表面上设置有肩部(42),并且所述壁体(25b) 所述转动涡旋件(25)在其上边缘处设置有对应于所述端板(23a)的台肩(42)的不对准部分(45),供应单元(17p),用于将从外部供应的制冷剂供应到 所述多个压缩室在制冷剂的压缩过程中,并且所述制冷剂从所述供给单元(17p)供给,而至少所述多个压缩室包括所述肩部(42),并且所述不对准部分(45)离开 彼此。