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    • 24. 发明授权
    • Non symmetrical key coupling contact and scroll compressor having same
    • 非对称密钥联动接触器和具有相同功能的涡旋压缩机
    • US07918658B2
    • 2011-04-05
    • US12015589
    • 2008-01-17
    • James W. BushRonald J. Duppert
    • James W. BushRonald J. Duppert
    • F03C2/00F03C4/00F04C18/02
    • F01C17/066F04C18/0215
    • A scroll compressor includes a movable scroll compressor body and a fixed scroll compressor body that are arranged for relative orbital movement relative to one another to facilitate compression of refrigerant. To guide the orbital movement, a Oldham key coupling is provided that may include four keys spaced in separate quadrants for guiding movement of the scroll compressor body along a linear translational path along a lateral axis. Additionally, running clearances may be unequally and non-symmetrically arranged so as to prevent unwanted rotation of one of the scroll compressor bodies and thereby prevent unwanted edge loading.
    • 涡旋压缩机包括可动涡旋压缩机本体和固定涡旋压缩机本体,其布置成相对于彼此相对轨道运动以便于制冷剂的压缩。 为了引导轨道运动,提供了一个十字钥匙联轴器,其可以包括间隔开的分开的象限中的四个键,用于沿着横向轴线沿着线性平移路径引导涡旋压缩机本体的运动。 此外,运行间隙可以是不相等和不对称地布置,以便防止其中一个涡旋压缩机主体的不期望的旋转,从而防止不必要的边缘加载。
    • 26. 发明授权
    • In-line oil separator
    • 在线分油器
    • US06953490B2
    • 2005-10-11
    • US10319965
    • 2002-12-16
    • James W. Bush
    • James W. Bush
    • F25B43/02F04B39/16F04C18/16F04C29/00F04C29/02F25B43/04B01D45/04
    • F04C29/026F04B39/16F04C18/16F04C29/0092F25B43/02Y10S55/17Y10S418/01
    • An oil separator for use in a compressor for separating oil from refrigerant. The separator includes a discharge line having an inner surface, a structure in the discharge line forming an inlet and an outlet within the discharge line, wherein the inlet has a wider diameter than the outlet; and a design for preventing oil from exiting the outlet and means for directing the oil out of the discharge line. In one embodiment, the structure is a substantially circular wall, and wherein the design for preventing is the shape of the wall and relative orientation of the wall to the discharge line. In one embodiment, the relative orientation is such that the discharge line has a flow direction with a horizontal component of orientation and the wall has a vertical component of orientation relative the horizontal component.
    • 一种用于压缩机的油分离器,用于将油与制冷剂分离。 分离器包括排出管线,其具有内表面,排出管线中的结构形成入口和排出管线内的出口,其中入口具有比出口更宽的直径; 以及用于防止油离开出口的设计,以及用于将油引导出排出管线的装置。 在一个实施例中,该结构是基本上圆形的壁,并且其中用于防止的设计是壁的形状和壁与排出管线的相对取向。 在一个实施例中,相对取向使得排出管线具有具有水平取向方向的流动方向,并且壁具有相对于水平分量的取向的垂直分量。
    • 28. 发明授权
    • Pressure actuated seal
    • 压力驱动密封
    • US6146119A
    • 2000-11-14
    • US972642
    • 1997-11-18
    • James W. BushStephen L. ShouldersThomas R. Barito
    • James W. BushStephen L. ShouldersThomas R. Barito
    • F04C18/02F04C27/00F01C1/02
    • F04C27/005F04C18/0223
    • A scroll compressor (10) is disclosed which incorporates, in the first embodiment, a floating seal (50) having an inner face seal (52) and an outer face seal (54). The floating seal also has inner and outer diametric seals (58, 60) to seal against the walls of a recess (41) in the crankcase (36). The axial thickness of the floating seal exceeds the depth of the recess. As the scroll compressor undergoes start-up, the orbiting scroll element (14) is forced against the face seals (52, 54) to create a sealed chamber (40). Intermediate pressure from a compression pocket between the scroll elements pressurizes chamber (40) defined between the seals to force the orbiting scroll element (14) into engagement with the fixed scroll element (12). In a second embodiment, a floating seal (80) uses actuator piston (88) which is urged into continuous sealing contact with the orbiting scroll element (14) by an actuator spring (92) to create a sealed chamber. Upon start-up, the chamber (96) is provided with intermediate pressure gas which urges the orbiting scroll element (14) into engagement with the fixed scroll element (12).
    • 公开了一种涡旋压缩机(10),其在第一实施例中包括具有内表面密封件(52)和外表面密封件(54)的浮动密封件(50)。 浮动密封件还具有内径和外径密封件(58,60),以密封曲轴箱(36)中的凹部(41)的壁。 浮动密封件的轴向厚度超过凹槽的深度。 当涡旋压缩机经历启动时,绕动涡旋元件(14)被迫抵靠面密封件(52,54)以形成密封室(40)。 来自涡旋元件之间的压缩袋的中间压力对限定在密封件之间的腔室(40)加压,以迫使绕动涡旋元件(14)与固定涡旋件(12)接合。 在第二实施例中,浮动密封件(80)使用致动器活塞(88),致动器活塞(88)通过致动器弹簧(92)被推动成与旋转涡旋件(14)连续密封接触以产生密封室。 在启动时,室(96)设置有中间压力气体,其推动绕动涡旋元件(14)与固定涡旋件(12)接合。
    • 30. 发明授权
    • Scroll compressor with controlled fluid venting to back pressure chamber
    • US5762483A
    • 1998-06-09
    • US789933
    • 1997-01-28
    • Alexander LifsonJames W. Bush
    • Alexander LifsonJames W. Bush
    • F04C18/02F04C27/00F01C1/04F04C18/04
    • F04C27/005F04C18/0261F04C18/0292
    • An improved control over the pressure vented or tapped to a back pressure chamber in a scroll compressor is achieved by maintaining a vent hole closed for the majority of the operational cycle of the scroll compressor. The hole is preferably selectively exposed to a discharge pressure for a small portion of the cycle, and to an intermediate pressure for a second small portion of the cycle. Other than those two small portions, the hole is preferably closed. The invention reduces pulsation in the back pressure chamber and also reduces pumping losses caused by fluid moving into and out of the back pressure chamber through the hole. In one embodiment, grooves are formed in the fixed scroll member to communicate a selected intermediate pressure and a discharge pressure to locations on the base plate of the fixed scroll member. A vent hole in the wrap of the orbiting scroll member cyclically moves over the two grooves. The vent hole is closed by the base plate of the fixed scroll member for the majority of its operational cycle. In a second embodiment, a pair of holes are formed through the base plate of one of the scroll members. The holes are covered by the wrap of the other scroll member for the majority of the operational cycle of the scroll compressor. Each hole is open for a small portion of the operational cycle to selectively tap an intermediate and discharge pressure to the back pressure chamber.