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    • 4. 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。
    • 10. 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。