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    • 1. 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。
    • 7. 发明授权
    • Motor driven scroll-type machine with cooling and lubricating structure
    • 电机驱动涡旋式机具有冷却和润滑结构
    • US4702681A
    • 1987-10-27
    • US916078
    • 1986-10-06
    • Tsutomu InabaMasahiro SugiharaToshiyuki NakamuraMasahiko OideTadashi KimuraNorihide Kobayashi
    • Tsutomu InabaMasahiro SugiharaToshiyuki NakamuraMasahiko OideTadashi KimuraNorihide Kobayashi
    • F04B39/02F01C17/06F04C18/02F04C23/00F04C23/02F04C29/00F04C29/02F04C18/04
    • F04C29/0021F01C17/066F04C18/0215F04C29/023F04C23/008
    • A scroll-type compressor including stationary and orbiting scrolls housed in a shell. A first frame, also housed in the shell, receives a portion of the orbiting scroll. The stationary scroll is fixed to the first frame, and a second frame is further mounted in the shell. A balancer chamber is formed between the first and second frames. A main shaft having a balancer is housed in the balancer chamber rotatably. The main shaft includes an enlarged diameter portion on one end of the shaft which is attached to the orbiting scroll and a small diameter portion on the end of the shaft which is attached to the orbiting scroll and extending between the first frame and the second frame for driving the orbiting scroll. A first bearing is disposed between the main shaft in the first frame for supporting the main shaft at a position between the orbiting scroll end of the shaft. A second bearing is disposed between the main shaft and the second frame for supporting the main shaft at a position proximate opposite the end of the shaft. The main shaft has an axial oil passage that extends from a bottom portion that is in contact with an oil pan at the bottom of the shell to an eccentric hole in the top of the shaft that is adapted to receive the orbiting scroll shaft. Upon rotation of the shaft, oil is pumped up to the eccentric hole. An Oldham coupler at the top of the main shaft and motor mounting legs have oil return holes and passages that assure proper lubrication of the compressor.
    • 一种涡旋式压缩机,包括容纳在壳体中的固定和绕动涡卷。 也容纳在壳体中的第一框架接收绕动涡旋件的一部分。 固定涡卷固定在第一框架上,第二框架进一步安装在壳体中。 平衡器室形成在第一和第二框架之间。 具有平衡器的主轴可旋转地容纳在平衡器室中。 主轴包括在轴的一端上的扩大的直径部分,该直径部分附接到绕动涡旋件,并且在轴的端部上的小直径部分附接到绕动涡旋并在第一框架和第二框架之间延伸, 驾驶绕轨道。 第一轴承设置在第一框架中的主轴之间,用于将主轴支撑在轴的绕动涡旋端之间的位置。 第二轴承设置在主轴和第二框架之间,用于将主轴支撑在与轴的端部相对的位置。 主轴具有轴向油路,该轴向油路从与壳体底部的油盘接触的底部延伸到适于容纳绕动涡旋轴的轴的顶部的偏心孔。 在轴旋转时,油被泵送到偏心孔。 在主轴和电机安装支脚顶部的十字联轴器具有止回孔和通道,以确保压缩机的适当润滑。