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    • 3. 发明授权
    • Bearing and lubrication system for a scroll fluid device
    • 涡旋流体装置的轴承和润滑系统
    • US5256042A
    • 1993-10-26
    • US837979
    • 1992-02-20
    • John E. McCulloughRonald J. ForniRobert M. Lucas
    • John E. McCulloughRonald J. ForniRobert M. Lucas
    • F04C18/02F04C28/28F04C29/02F01C1/04F01C21/04
    • F04C29/025F04C18/023
    • A bearing and lubrication system for a sealed, integrated motor driven co-rotating scroll refrigerant compressor includes hydrostatic bearings and an independent motor driven lubricant supply pump for supplying lubricant to the hydrostatic bearings mounting in the housing. The housing is divided into a high-pressure section that receives compressed refrigerant and a low pressure section containing the involute scroll compressor wraps. Individual lubricant supply sumps are provided in the high and lower pressure housing sections for supplying lubricant to the compressor bearings. The lubricant pump is capable of drawing lubricant from one or both of the lubricant supply sumps. A lubricant level sensor associated with one of the low or high pressure housing sumps is provided to maintain a desired level of lubricant therein. The lubricant supply pump is controlled so that pressure is supplied to the hydrostatic bearings during compressor operation. The lubricant may be pressurized by compressed refrigerant in the high-pressure housing section for supply to the compressor bearings with or without operation of the lubricant supply pump.
    • 用于密封的一体式马达驱动的同向旋转涡旋制冷剂压缩机的轴承和润滑系统包括静压轴承和用于将润滑剂供应到安装在壳体中的静压轴承的独立的马达驱动的润滑剂供应泵。 壳体被分为接收压缩制冷剂的高压部分和包含渐开线涡旋压缩机涡卷的低压部分。 在高压和低压壳体部分提供单独的润滑剂供应池,用于向压缩机轴承供应润滑剂。 润滑剂泵能够从一个或两个润滑剂供应池抽取润滑剂。 提供与低压或高压壳体中的一个相关联的润滑剂液位传感器以保持其中所需的润滑剂水平。 控制润滑剂供应泵,以便在压缩机运行期间向静压轴承提供压力。 润滑剂可以通过高压壳体部分中的压缩制冷剂被加压,以在具有或不具有润滑剂供应泵的操作的情况下供应到压缩机轴承。
    • 4. 发明授权
    • Tip seal supporting structure for a scroll fluid device
    • 用于涡旋流体装置的尖端密封支撑结构
    • US5222882A
    • 1993-06-29
    • US837966
    • 1992-02-20
    • John E. McCullough
    • John E. McCullough
    • F01C1/04F01C1/02F01C19/08F04C27/00
    • F01C19/08
    • A tip seal supporting structure for use in a scroll fluid device includes intermeshing involute scroll elements mounted for relative orbital movement. Each of the scroll elements includes an involute spiral wrap which is secured to a respective wrap support plate at one axial end thereof. Each involute spiral wrap is provided with a tip seal in the other axial end thereof which engages with the wrap support plate of the other scroll element. One of the wrap support plates includes a substantially, centrally located fluid passage into which the innermost end of the involute spiral wrap of the other scroll element extends during a predetermined portion of the relative orbital movement between the scroll elements. In one embodiment of the invention, a tip seal supporting structure in the form of a bridge extends across a predetermined portion of this central fluid passage and functions to axially support the innermost portion of the tip seal that extends into this fluid passage during relative orbital movement of the scroll wraps to thereby prevent destructive vibrational effects, to permit the tip seals to extend into the center of the involute scrolls as much as possible, and to maximize the efficiency of the scroll fluid device. In other embodiments, the tip seal is attached to the involute spiral wrap by a fastener. In an additional embodiment, the end of the tip seal is supported by a shelf member formed integral with the involute spiral wrap.
    • 用于涡旋流体装置的尖端密封支撑结构包括安装用于相对轨道运动的相互啮合的渐开线涡旋件。 每个涡卷元件都包括一个渐开线螺旋卷,它在其一个轴向端固定到相应的卷绕支撑板上。 每个渐开线螺旋卷绕件在其另一轴向端部设置有尖端密封件,该密封件与另一个涡卷件的卷绕支撑板接合。 包裹支撑板中的一个包括基本上位于中心的流体通道,另一个涡旋元件的渐开线螺旋卷绕的最内端在涡旋元件之间的相对轨道运动的预定部分期间延伸。 在本发明的一个实施例中,桥的形式的尖端密封支撑结构延伸穿过该中心流体通道的预定部分,并且用于在相对轨道运动期间轴向支撑延伸到该流体通道中的末端密封件的最内部分 从而防止破坏性的振动效应,以允许尖端密封件尽可能地延伸到渐开线涡卷的中心,并且使涡卷流体装置的效率最大化。 在其他实施例中,尖端密封件通过紧固件附接到渐开线螺旋形包裹物。 在另外的实施例中,尖端密封件的端部由与渐开线螺旋形卷纸一体形成的搁板构件支撑。
    • 7. 发明授权
    • Scroll expander driven compressor assembly
    • 滚动膨胀机驱动的压缩机总成
    • US5247795A
    • 1993-09-28
    • US861574
    • 1992-04-01
    • John E. McCullough
    • John E. McCullough
    • F02B33/36F01C1/02F01C11/00F02B37/00
    • F01C11/004F01C1/0223
    • An expander driven compressor assembly is disclosed comprising a scroll-type expander having at least one pair of meshed axially extending involute spiral wraps wherein one of the wraps orbits relative to the other wrap and a scroll-type compressor having at least one pair of relatively orbiting meshed axially extending involute spiral wraps. The orbital wrap of the expander is drivingly connected to the orbital wrap of the compressor through a common synchronizer and counterweight assembly. Auxiliary drive power developed by the expander and not required to drive the compressor is used to drive a power take-off shaft. In addition, expansion struts are proved to compensate for thermal expansion or contraction of the relatively orbiting scroll wraps. By this arrangement, a compact and efficient expander driven compressor assembly is achieved.
    • 公开了一种膨胀机驱动的压缩机组件,其包括具有至少一对啮合的轴向延伸的渐开线螺旋形涡卷的涡旋式膨胀机,其中一个涡卷相对于另一个涡卷轨道运动;以及涡旋式压缩机,其具有至少一对相对轨道 网状轴向延伸的渐开线螺旋缠绕。 膨胀机的轨道包裹通过公共同步器和配重组件驱动地连接到压缩机的轨道包裹。 由膨胀机开发而不需要驱动压缩机的辅助驱动力用于驱动动力输出轴。 此外,膨胀支柱被证明是补偿相对绕动的涡卷的热膨胀或收缩。 通过这种布置,实现了紧凑且高效的膨胀机驱动的压缩机组件。
    • 8. 发明授权
    • Synchronizing and unloading system for scroll fluid device
    • 滚动流体装置同步卸载系统
    • US4927340A
    • 1990-05-22
    • US234098
    • 1988-08-19
    • John E. McCullough
    • John E. McCullough
    • F01C1/02F01C17/02F01C20/22F04C2/02F04C18/02
    • F01C20/22F01C1/023F01C17/02
    • A scroll fluid device is provided with a synchronizer arrangement that prevents relative rotation between the involute scroll wraps defining fluid working chambers while permitting the wraps to orbit relative to each other to perform work on fluid moved through the device or to expend work through the reaction of fluid moving through the device. The synchronizer comprises axially extending teeth affixed to one of the scroll support end plates interdigited with grooves affixed to the other end plate. The grooves of the synchronizer each have a width that accommodates the orbital excursion of each tooth extending into the groove such that, during orbital movement of one scroll wrap relative to the other, the teeth engage the side walls of the groove to prevent rotation of the scroll wraps relative to each other in either direction. The synchronizer also permits movement of one scroll wrap relative to the other along a line generally extending between the involute centers of the wraps in a direction that reduces the orbit radius.
    • 涡旋流体装置设置有同步装置,其防止在限定流体工作室的渐开线涡旋盘之间的相对旋转,同时允许涡卷相对于彼此轨道进行对通过装置移动的流体的作用或通过反应 流体通过装置移动。 同步器包括轴向延伸的齿,其固定到与固定到另一端板上的槽互相指向的一个涡旋支撑端板。 同步器的凹槽各自具有宽度,其适应延伸到凹槽中的每个齿的轨道偏移,使得在一个涡卷机构相对于另一个滚动涡卷的轨道运动期间,齿接合凹槽的侧壁以防止 在任一方向上相对于彼此卷绕卷绕。 同步器还允许一个涡旋盘绕相对于另一个涡卷的运动沿着通常在减少轨道半径的方向上在涡卷的渐开线​​中心之间延伸的线。