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    • 5. 发明授权
    • Scroll-type apparatus having a pivoting main journal bearing
    • 滚动式装置具有枢转的主轴颈轴承
    • US4730998A
    • 1988-03-15
    • US908636
    • 1986-09-18
    • Masayuki KakudaEtsuo MorishitaHiromu NarumiyaMasahiro SugiharaTsutomu InabaTadashi Kimura
    • Masayuki KakudaEtsuo MorishitaHiromu NarumiyaMasahiro SugiharaTsutomu InabaTadashi Kimura
    • F04C18/02F01C21/02F16C17/03F01C1/04
    • F16C17/03F01C21/02
    • A scroll-type apparatus having a main journal bearing which journals the drive shaft of the apparatus and is capable of pivoting by small angles with two degrees of freedom. The main journal bearing comprises three or more arcuate pads whose inner surfaces journal the drive shaft and which are pivotably supported by a stationary main bearing housing. In a preferred embodiment, each of the pads has a spherical protrusion and two rotation-preventing pins secured to its back surface. The protrusions contact the inner surface of the main bearing housing and pivotably support the pads, while the rotation-preventing pins are inserted into grooves formed on the inner surface of the main bearing housing. When a load is applied to the drive shaft causing it to tilt, the pads of the main journal bearing can tilt along with the drive shaft by pivoting about the points of contact between the spherical protrusions and the inner surface of the main bearing housing, thereby preventing edge loading of the main journal bearing.
    • 一种涡旋式装置,具有主轴颈轴承,该主轴颈轴承可以使装置的驱动轴伸缩并且能够以两个自由度的小角度摆动。 主轴颈轴承包括三个或更多个弧形垫,其内表面以驱动轴为中心,并由固定的主轴承壳体可枢转地支撑。 在优选实施例中,每个垫具有球形突起和固定到其后表面的两个防旋转销。 突起接触主轴承壳体的内表面并可枢转地支撑垫,同时将防旋转销插入形成在主轴承壳体的内表面上的槽中。 当驱动轴施加负载使其倾斜时,主轴颈轴承的垫可以通过围绕球形突起与主轴承壳体的内表面之间的接触点枢转而与驱动轴一起倾斜,由此 防止主轴颈轴承的边缘加载。
    • 6. 发明授权
    • Scroll-type hydraulic machine
    • 滚动式液压机
    • US4553913A
    • 1985-11-19
    • US607917
    • 1984-05-07
    • Etsuo MorishitaMasahiro SugiharaTsutomu InabaToshiyuki Nakamura
    • Etsuo MorishitaMasahiro SugiharaTsutomu InabaToshiyuki Nakamura
    • F04C18/02F01C1/02F04C2/02F04C15/00F04C29/02F03C2/02F04C2/04F04C11/00
    • F04C2/025F04C15/0065F04C15/008
    • A scroll-type hydraulic machine having a first stationary scroll with a first scroll wrap, a first orbiting scroll with a second scroll wrap on one surface thereof interleaved with the first scroll wrap, a first orbiting scroll shaft on the other surface of the first orbiting scroll, a second stationary scroll having a third scroll wrap, a second orbiting scroll having a fourth scroll wrap on one surface interleaved with the third scroll wrap, a second orbiting scroll shaft provided on the other surface of the second orbiting scroll, and a crank mechanism. The crank mechanism includes a rotatably driven crankshaft having an eccentric through-hole extending lengthwise therethrough, an eccentric shaft rotatably supported by bearings in the eccentric through-hole, and first and second eccentric ring mechanisms. Each eccentric ring mechanism is provided at one end of the eccentric shaft and is rotatable with respect thereto. The orbiting scroll shafts are driven in an orbital pattern through the respective eccentric ring mechanisms.
    • 一种涡旋式液压机,其具有带有第一涡卷的第一固定涡旋盘,在与第一涡旋涡旋件交错的一个表面上具有第二涡卷的第一绕动涡旋盘,在第一轨道运动的另一个表面上的第一绕动涡旋轴 具有第三涡旋盘的第二固定涡旋盘,在与第三涡旋涡卷交替的一个表面上具有第四涡旋涡卷的第二绕动涡旋盘,设置在第二绕动涡旋盘的另一个表面上的第二绕动涡旋轴和曲柄 机制。 曲柄机构包括可旋转地驱动的曲轴,其具有纵向延伸穿过的偏心通孔,由偏心通孔中的轴承可旋转地支撑的偏心轴以及第一和第二偏心环机构。 每个偏心环机构设置在偏心轴的一端并且可相对于其偏转。 绕动涡旋轴通过相应的偏心环机构以轨道图案驱动。
    • 7. 发明授权
    • Scroll compressor
    • 涡旋压缩机
    • US4592703A
    • 1986-06-03
    • US593349
    • 1984-03-26
    • Tsutomu InabaToshiyuki NakamuraTadashi Kimura
    • Tsutomu InabaToshiyuki NakamuraTadashi Kimura
    • F04C29/02F04B39/06F04B39/02H02K9/08
    • F04C29/023Y10S417/902Y10S418/01
    • A scroll having flow passages constructed so as to provide improved lubricating properties while eliminating excessive consumption of oil. First flow paths have upper ends communicating with a motor chamber formed between the frame of the compressor and an upper portion of the electric motor which drives the compressor, and lower ends which open above an oil pool formed in the lower part of the housing of the compressor. The first flow paths extend in the axial direction of the compressor between the outer wall of the motor and the frame so that all or part of the gas which is sucked into the motor chamber can flow downwardly. Second axially extending flow paths are provided extending in the axial direction of the compressor between the frame and the shell with the gas passing through the first flow paths being caused to change its direction of flow near the lower end of the frame to flow upwardly. The lower ends of the second flow paths open above the oil pool and their upper ends communicate with the compression unit at the top of the housing.
    • 一种具有流动通道的涡卷,其构造成提供改善的润滑性能,同时消除油的过量消耗。 第一流路具有与形成在压缩机的框架和驱动压缩机的电动机的上部之间形成的马达室的上端连通,以及在形成在壳体的下部的油池的上方开口的下端 压缩机。 第一流动路径在电动机的外壁和框架之间在压缩机的轴向方向上延伸,使得吸入电动机室的全部或部分气体可以向下流动。 第二轴向延伸的流动路径被设置成在框架和壳体之间在压缩机的轴向方向上延伸,并且通过第一流动路径的气体改变其靠近框架下端的流动方向向上流动。 第二流路的下端在油池上方开口,其上端与壳体顶部的压缩单元连通。