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    • 61. 发明申请
    • TWO STAGE SCROLL VACUUM PUMP
    • 两级滚筒真空泵
    • WO2005042977A1
    • 2005-05-12
    • PCT/US2004/032024
    • 2004-09-30
    • VARIAN, INC.LIEPERT, Anthony, G.WARREN, Jeffrey, C.CURRY, Robert, M., Jr.
    • LIEPERT, Anthony, G.WARREN, Jeffrey, C.CURRY, Robert, M., Jr.
    • F04C18/02
    • F04C18/0276F01C21/02F04C18/0215F04C18/0261F04C29/0057F04C2220/10
    • A compact scroll pump includes a scroll set having an inlet and an outlet, and a drive mechanism. The scroll set includes a stationary scroll blade extending from a stationary plate and an orbiting scroll blade extending from an orbiting plate. The stationary and orbiting scroll blades are intermeshed together to define one or more interblade pockets. The orbiting scroll blade is located on a first side of the orbiting plate, and the drive mechanism is operatively coupled to a second side of the orbiting plate for producing orbiting motion of the orbiting scroll blade relative to the stationary scroll blade. The drive mechanism includes a motor and a crankshaft having an axis of rotation, and an orbiting bearing coupled between the crankshaft and the orbiting plate. The scroll set is configured such that an imaginary plane (200) perpendicular to the axis of rotation passes through the orbiting bearing (70) and at least a portion of the orbiting scroll blade (166) and the scroll set comprises two pumping stages in serie .
    • 紧凑型涡旋泵包括具有入口和出口的涡旋组和驱动机构。 涡旋组包括从静止板延伸的固定涡旋叶片和从旋转板延伸的绕动涡旋叶片。 固定和绕动涡旋叶片相互啮合在一起以限定一个或多个叶片间隙。 绕动涡旋叶片位于旋转板的第一侧上,并且驱动机构可操作地联接到轨道板的第二侧,用于产生绕动涡旋叶片相对于固定涡旋叶片的轨道运动。 驱动机构包括马达和具有旋转轴线的曲轴,以及联接在曲轴和旋转板之间的绕动轴承。 涡旋组被配置为使得垂直于旋转轴线的假想平面(200)通过绕动轴承(70),并且绕动涡旋叶片(166)和涡旋组的至少一部分包括串联的两个泵送阶段 。
    • 64. 发明申请
    • STARTING VALVE FOR A FLUID OPERATING MACHINE WORKING IN A VACUUM SYSTEM
    • 液压操作机起动阀在真空系统中工作
    • WO2015001118A1
    • 2015-01-08
    • PCT/EP2014/064388
    • 2014-07-04
    • GARDNER DENVER S.R.L.
    • CAVATORTA, PaoloTOMEI, Umberto
    • F04B37/14F04C28/06F16K31/126F16K41/10F16K51/02F04B53/10
    • F04B37/14F04B53/10F04C28/06F04C2220/10F16K31/128F16K51/02
    • A starting valve (100) for a fluid operating machine (200) for a vacuum system (1000). The starting valve (100) comprises: - a valve body (10) with an opening (17) to let a gas in; and an actuating piston (13) splined on a stem (16) free to slide in a guide (18A). The actuating piston (13), with a portion of the valve body (10), defines a chamber (30). The actuating piston (13) is subject to the action of a deformable diaphragm (15). A calibrated throttling hole (16B) is provided in series with a through hole (16A) in line with the stem (16) to establish a fluid communication between the chamber (30) and a fluid-dynamic line (500) of the vacuum system (1000). A shutter (20) is furthermore provided also splined on the stem (16). The shutter (20) closes a gas passage opening (10B) as a function of the pressure difference between the chamber (30) and the fluid-dynamic line (500). The calibrated throttling hole (16B) and the through hole (16A) establish a fluid communication between the space enclosed by a connection (25) and a space (22) defined by a cover element (23) positioned in the upper part of the valve body (10).
    • 一种用于真空系统(1000)的流体操作机(200)的起动阀(100)。 起动阀(100)包括:具有开口(17)以使气体进入的阀体(10); 以及花键连接在引导件(18A)中自由滑动的杆(16)上的致动活塞(13)。 具有阀体(10)的一部分的致动活塞(13)限定腔室(30)。 致动活塞(13)受到可变形隔膜(15)的作用。 校准的节流孔(16B)与与杆(16)成直角的通孔(16A)串联地设置,以在腔室(30)和真空系统的流体动力线(500)之间建立流体连通 (1000)。 此外还提供了一个花键(20),其花键连接在杆(16)上。 挡板(20)根据腔室(30)和流体动力线(500)之间的压力差关闭气体通道开口(10B)。 校准的节流孔(16B)和通孔(16A)在由连接件(25)包围的空间和由位于阀门上部的盖元件(23)限定的空间(22)之间建立流体连通 身体(10)。