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    • 1. 发明申请
    • Scroll Fluid Machine
    • 涡旋流体机
    • US20080304994A1
    • 2008-12-11
    • US12136804
    • 2008-06-11
    • Masaru OHTAHARAMasashi MiyakeKenji TojoKazuo Sakurai
    • Masaru OHTAHARAMasashi MiyakeKenji TojoKazuo Sakurai
    • F04C18/02F04C29/02
    • F04C18/0215F04C23/008F04C27/007
    • A scroll fluid machine is configured by engaging a fixed scroll and an orbiting scroll having spiral bodies formed on base plates. A seal member is provided between a rear surface of the orbiting scroll and a frame member arranged opposite thereto to divide a rear side chamber into an inner space and an outer space. The inner space inside the seal member is subjected to a pressure substantially corresponding to a discharge pressure, and the outer space is subjected to a pressure lower than that of an inner back pressure chamber to press the orbiting scroll against the fixed scroll. The scroll members are formed such that the width of a groove and the thickness of a tooth of the spiral body formed inside the seal member are larger than those of the spiral body formed outside the seal member.
    • 涡旋流体机构通过使固定涡旋件和具有形成在基板上的螺旋体的绕动涡旋盘构成。 在动涡旋盘的后表面和与其相对设置的框架构件之间设置密封构件,以将后侧室分成内部空间和外部空间。 密封构件内的内部空间经受基本上对应于排出压力的压力,并且外部空间受到比内侧背压室低的压力,以将动涡旋件压靠在固定涡旋件上。 涡旋构件形成为使得形成在密封构件内部的槽的宽度和螺旋体的齿的厚度大于形成在密封构件外部的螺旋体的宽度。
    • 6. 发明授权
    • Lubricant supply system of a scroll fluid machine
    • 滚动流体机械的润滑剂供应系统
    • US5110268A
    • 1992-05-05
    • US620613
    • 1990-12-03
    • Kazuo SakuraiTakahiro Tamura
    • Kazuo SakuraiTakahiro Tamura
    • F01C1/02F04C18/02F04C29/02
    • F01C1/0215F04C18/0215F04C29/02
    • A scroll compressor has a scroll mechanism disposed in a closed container and driven by a motor through a crank shaft rotatably supported at two points by first and second bearings disposed adjacent the opposite ends of the motor. The bearing which is remote from the scroll mechanism comprises a sliding bearing. The first end of the crank shaft remote from the scroll mechanism has a peripheral surface disposed in sliding engagement with the sliding bearing and formed therein with a lubricant supply groove communicated with an axial lubricant supply hole formed in the crank shaft and having a closed end adjacent the first end of the crank shaft and opened in an end face of a crank pin section thereof. The sliding bearing is communicated with a lubricant reservoir formed by a lower part of the container. The lubricant in the reservoir is subjected to the pressure of a compressed fluid discharged from the scroll mechanism and is forcibly fed into the lubricant supply groove through the sliding bearing.
    • 涡旋压缩机具有设置在密闭容器中的涡旋机构,并且由电动机驱动,所述曲轴通过与所述马达的相对端相邻设置的第一和第二轴承可旋转地支撑在两点上。 远离涡旋机构的轴承包括滑动轴承。 曲柄轴远离涡旋机构的第一端具有与滑动轴承滑动接合的周面,并在其中形成有与形成在曲轴中的轴向润滑剂供给孔连通并具有相邻的封闭端的润滑剂供给槽 曲柄轴的第一端并在其曲柄销部分的端面中敞开。 滑动轴承与由容器的下部形成的润滑剂储存器连通。 储存器中的润滑剂受到从涡旋机构排出的压缩流体的压力,并通过滑动轴承强制地进入润滑剂供给槽。
    • 7. 发明授权
    • Scroll fluid machine with bearing lubrication
    • 滚动式流体机,带轴承润滑
    • US4997350A
    • 1991-03-05
    • US306401
    • 1989-02-06
    • Takahiro TamuraKazuo Sakurai
    • Takahiro TamuraKazuo Sakurai
    • F04C29/02
    • F04C29/025
    • A compressor unit composed of a fixed scroll and an orbiting scroll which are engaged with each other, and a variable speed motor are disposed in a hermetic chamber. A first bearing is provided in an engagement portion between a crankshaft and the orbiting scroll in an intermediate pressure chamber provided on a back surface of the orbiting scroll for applying thereto an intermediate pressure between a discharge pressure and a suction pressure. The crankshaft is supported by a second bearing provided close to the orbiting scroll and a third bearing provided close to the motor. The first, second and third bearings are lubricated by force of a differential pressure between the discharge pressure and the intermediate pressure through an oil passage. The oil passage is in communication at one end thereof with the lubricant oil on which the discharge pressure is applied, and opens at the other end thereof into the intermediate pressure chamber. Thus, a wear and a sticking of the bearings are prevented even in a low speed region and a high speed region where it is impossible to supply oil with a conventional centrifugal pump.
    • 由彼此接合的固定涡旋盘和绕动涡旋件构成的压缩机单元和变速马达设置在密封室中。 第一轴承设置在设置在绕动涡盘的后表面上的中间压力室中的曲轴和绕动涡旋件之间的接合部分中,用于向排出压力和吸入压力施加中间压力。 曲轴由靠近绕动涡盘设置的第二轴承和靠近马达设置的第三轴承支撑。 第一,第二和第三轴承由排出压力和通过油路的中间压力之间的压差的力来润滑。 油路在其一端与施加有排出压力的润滑油连通,并且在其另一端开入中间压力室。 因此,即使在不能用现有的离心泵供给油的低速区域和高速区域也能够防止轴承的磨损和粘附。
    • 8. 发明授权
    • Scroll fluid machine with oil feed passages
    • 带进油通道的滚动流体机
    • US4818198A
    • 1989-04-04
    • US120098
    • 1987-11-13
    • Takahiro TamuraKazuo Sakurai
    • Takahiro TamuraKazuo Sakurai
    • F01C1/02F01C1/04F01C21/04F04B39/02F04C18/02F04C29/02F04C18/04
    • F04C29/025F04C18/0215
    • A scroll fluid machine comprising a pair of fixed and orbiting scrolls having their respective wraps in mesh with each other. A drive shaft engaging the orbiting scroll is connected to an electric motor and is supported by a frame. An end plate of the oribiting scroll is slidably held between the frame and an end plate of the fixed scroll. A first feed oil passage is formed in at least one of the end plate of the fixed scroll and the frame. The first passage has one end communicates with an oil reservoir defined at a bottom of the housing and the other end opening on a sliding surface contacting with the orbiting scroll. A second feed oil passage formed in the end plate of the orbiting scroll has one end always communicating with the other end of the first passage. The other end of the second passage is located in the vicinity of the axis of the orbiting scroll. A third feed oil passage formed in the drive shaft has one end communicating with the other end of the second passage.
    • 一种涡旋流体机械,包括一对具有彼此啮合的相互缠绕的固定和绕动的涡卷。 接合绕动涡旋件的驱动轴连接到电动机并由框架支撑。 蜗杆蜗杆的端板可滑动地保持在框架和固定涡卷的端板之间。 第一进料油通道形成在固定涡旋件的端板和框架中的至少一个中。 第一通道的一端与限定在壳体的底部的油储存器连通,而另一端开口与与绕动涡旋件接触的滑动表面连通。 形成在绕动涡旋盘的端板中的第二进料油通道具有总是与第一通道的另一端连通的一端。 第二通道的另一端位于绕动涡盘的轴线附近。 形成在驱动轴上的第三供给油通道具有与第二通道的另一端连通的一端。