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    • 32. 发明授权
    • Scroll fluid machine with coupling between rotating scrolls
    • 涡旋流体机器,旋转涡卷之间具有联轴器
    • US5037280A
    • 1991-08-06
    • US577827
    • 1990-09-06
    • Mitsuhiro NishidaKozaburo FujiiEtsuo MorishitaSakuei Yamamoto
    • Mitsuhiro NishidaKozaburo FujiiEtsuo MorishitaSakuei Yamamoto
    • F01C1/02F01C17/06F04C18/02
    • F01C17/066F04C18/023
    • A scroll fluid machine comprising a first scroll rotated by a drive source, a second scroll eccentric from the central axis of the first scroll, the second scroll cooperating with the first scroll to compress fluid, a coupling which is provided on the outer end surface of one of said first and second scrolls and engaged with the one scroll at two positions in the periphery thereof so that the scrolls are movable in diametrical directions which are perpendicular to each other, respectively, and a pair of coupling arms which are provided on the other of the first and second scrolls and engaged with the coupling at two positions in the periphery thereof, in such a manner that the phantom line connecting the positions of engagement of said coupling arms is perpendicular to the phantom line connecting the positions of engagement of said coupling.
    • 一种涡旋流体机械,包括由驱动源旋转的第一涡旋件,从第一涡旋件的中心轴线偏心的第二涡旋件,与第一涡旋件协作以压缩流体的第二涡旋件,设置在第二涡旋件的外端面上的联轴器 所述第一和第二涡卷中的一个,并且在其周边的两个位置处与一个涡卷啮合,使得涡卷分别在彼此垂直的直径方向上可移动,并且一对连接臂分别设置在另一个上 的第一和第二涡卷并且在其周边的两个位置处与联接器接合,使得连接所述联接臂的接合位置的虚线垂直于连接所述联接器的接合位置的虚线 。
    • 34. 发明授权
    • Scroll-type positive displacement apparatus with oil supply to
compression chamber
    • 涡旋式正排量装置,用于向压缩室供油
    • US4842499A
    • 1989-06-27
    • US178356
    • 1988-04-06
    • Mitsuhiro NishidaIsamu EtouEtsuo Morishita
    • Mitsuhiro NishidaIsamu EtouEtsuo Morishita
    • F04C18/02F04C29/02
    • F04C29/023F04C18/023
    • A scroll-type positive displacement apparatus which can be used as a vacuum pump is disclosed. A pair of interfitting scrolls are housed in a first container which communicates with a vacuum chamber to be evacuated by the pump. The scrolls are rotated in synchrony about parallel, nonaligned axes by a drive motor. The scrolls define a plurality of spiral compression chambers which change in size when the scrolls are rotated, compressing a gas contained in the compression chambers. The shaft of one of the scrolls has a discharge port formed therein which communicates between the centermost compression chamber and the inside of a second container which adjoins the first container. The second container is partially filled with lubricating oil and communicates with the atmosphere. The discharge port is equipped with a check valve which permits compressed gas to enter the second container from the scrolls but prevents gas from flowing in the opposite direction. The pump may be further equipped with one or more oil supply passageways formed in the shaft of the scroll in which the discharge port is formed. Lubricating oil is introduced via the oil supply passageway from the second container into one or more of the compression chambers of the pump.
    • 公开了可用作真空泵的涡旋式正位移装置。 一对相互配合的涡卷容纳在与真空室相通的第一容器中,该真空室被泵抽真空。 滚动体通过驱动马达同步旋转并联,不对齐的轴。 涡卷限定了多个螺旋压缩室,当涡旋件旋转时其尺寸变化,压缩包含在压缩室中的气体。 一个涡旋件的轴具有形成在其中的排出口,其连通中心压缩室与邻接第一容器的第二容器的内部。 第二容器部分地装有润滑油并与大气连通。 排放口配备有止回阀,其允许压缩气体从涡管进入第二容器,但是防止气体沿相反方向流动。 泵还可以配备有形成在其中形成有排出口的涡管的轴中的一个或多个供油通道。 润滑油通过供油通道从第二容器引入泵的一个或多个压缩室。
    • 40. 发明授权
    • Scroll compressor with back pressure discharge
    • 涡旋压缩机带背压放电
    • US09222475B2
    • 2015-12-29
    • US13949412
    • 2013-07-24
    • LG ELECTRONICS INC.
    • Suchul KimHonggyun JinJuhwan YunKiwon Park
    • F04C18/02F04C27/00F04C28/26F04C23/00
    • F04C18/0261F04C18/0215F04C18/023F04C23/008F04C27/005F04C28/26
    • A scroll compressor having a back pressure discharge is provided. The scroll compressor may include a casing, a discharge cover, a main frame, a first scroll supported by the main frame, and a second scroll forming at least a discharge chamber together with the first scroll. The second scroll may include a discharge opening through which an operation fluid may be discharged. The scroll compressor may also include a back pressure chamber assembly fastened to the second scroll with a Efastener, a back pressure discharge opening that communicates with the back pressure chamber, and a discharge path by which the discharge chamber and the discharge space communicate with each other. The scroll compressor may further include a check valve disposed at the back pressure discharge opening to prevent the operation fluid from being introduced into the back pressure chamber.
    • 提供具有背压放电的涡旋压缩机。 涡旋式压缩机可以包括壳体,排出盖,主框架,由主框架支撑的第一涡卷,以及与第一涡旋件一起形成至少排出室的第二涡旋件。 第二涡卷可以包括可以排出操作流体的排放口。 涡旋式压缩机还可以包括用Efastener固定到第二涡卷的背压室组件,与背压室连通的背压排放口,以及排放室和放电空间相互连通的排放路径 。 涡旋压缩机还可以包括设置在背压排出口处的止回阀,以防止操作流体被引入到背压室中。