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39 条记录 (耗时 0.014 秒)

    Suspension pump with built-in variably eccentric liquid ring pump
    1.
    发明授权
    Suspension pump with built-in variably eccentric liquid ring pump 失效
    悬挂泵内置可变偏心液环泵

    公开(公告)号：US5366347A

    公开(公告)日：1994-11-22

    申请号：US75558

    申请日：1993-06-14

    申请人： Ronny Hoglund

    发明人： Ronny Hoglund

    IPC分类号： F04C19/00 ,  F04C28/22 ,  F04D7/04 ,  F04D9/00 ,  F04D29/02

    CPC分类号： F04C28/22 ,  F04C19/00 ,  F04D7/045 ,  F04C2220/20 ,  F05B2210/132 ,  Y10S417/90

    摘要： A pump for pumping pulp, comprising a first impeller (12) for pumping the pulp in fluidized state, and a gas evacuation pump (23) of liquid ring type comprising a pump housing (24) with a chamber (25) and a second impeller (26) rotating therein for evacuating gas collecting in front of said first impeller (12) via a system of channels (20, 21, 22), said impellets (12, 26) being mounted on the same shaft (4) for common rotation. According to the invention the chamber (24) of the gas evacuation pump (23) containing a rotating liquid ring (29) is defined circumferentially by an element (40) which is movable in relation to the second impeller (26) and the axis of rotation (5) thereof by means of an actuator (48, 50, 51), said element (40) being adjustable by the actuator (48, 50, 51) in three different operating positions dependent on the operating conditions prevailing for the pump.

    摘要翻译： PCT No.PCT / SE91 / 00865 Sec。 371日期：1993年6月14日 102（e）日期1993年6月14日PCT 1991年12月16日PCT PCT。 出版物WO92 / 11458 日本1992年7月9日。一种用于泵送纸浆的泵，包括用于以流化状态泵送纸浆的第一叶轮（12）和液环类型的排气泵（23），其包括具有室的泵壳体（24） （25）和在其中旋转的第二叶轮（26），用于通过通道系统（20,21,22）在所述第一叶轮（12）的前面排出收集的气体，所述弹簧（12,26）安装在所述第一叶轮 轴（4）用于共同旋转。 根据本发明，包含旋转液体环（29）的气体排出泵（23）的室（24）由周向地限定一个相对于第二叶轮（26）可移动的元件（40） 通过致动器（48,50,51）的旋转（5），所述元件（40）可以由执行器（48,50,51）在三个不同的操作位置调整，这取决于泵的运行条件。

    Equipment for delivering liquid, particularly oil burners
    2.
    发明授权
    Equipment for delivering liquid, particularly oil burners 失效
    用于输送液体，特别是燃烧器的设备

    公开(公告)号：US3635604A

    公开(公告)日：1972-01-18

    申请号：US3635604D

    申请日：1969-12-02

    申请人： DANFOSS AS

    发明人： PETERSEN JORGEN HARTVIG ,  HANSEN GUNNAR LYSHOJ

    IPC分类号： F04C14/06 ,  F04C14/24 ,  F04C15/00 ,  F04C15/06 ,  F04B49/00 ,  F01C1/10 ,  F04C1/06

    CPC分类号： F04C15/062 ,  F04C14/06 ,  F04C14/24 ,  F04C15/0053 ,  F04C2220/20

    摘要： The invention relates to an oil pump unit for oil burners which includes a known assembly of a geared pump, a sump at a lower level, and a pressure regulator valve. Air vent means are provided which includes apparatus for feeding back to the pump pressurized liquid from the pressure regulator. The pump proper has novel passage means for receiving the fed back pressurized liquid to the pumping chambers to effect a venting of pressurized air from the chambers.

    摘要翻译： 本发明涉及一种用于油燃烧器的油泵单元，其包括齿轮泵，下层的油槽和压力调节阀的已知组件。 提供排气装置，其包括用于从压力调节器反馈到泵加压液体的装置。 泵本体具有新颖的通道装置，用于将反馈的加压液体接收到泵送室以实现来自腔室的加压空气的排放。

    Roots pumps
    7.
    发明授权
    Roots pumps 有权
    罗茨泵

    公开(公告)号：US08500425B2

    公开(公告)日：2013-08-06

    申请号：US12576871

    申请日：2009-10-09

    申请人： Nigel Paul Schofield ,  Stephen Dowdeswell

    发明人： Nigel Paul Schofield ,  Stephen Dowdeswell

    IPC分类号： F01C1/18

    CPC分类号： F04C18/126 ,  F04C18/086 ,  F04C25/02 ,  F04C2220/20 ,  F04C2240/102

    摘要： A Roots vacuum pump stator is arranged to house a pair of intermeshing rotors, said stator being characterized in that it comprises a director or deflector arranged to direct solid material entrained in a gas pumped through the pump towards the outlet. In other words, the stator according to the present invention has a means for directing or deflecting powder or solid material entrained in a gas being pumped directly towards an outlet of the pump or out of the pump. The directing means can comprise a channel disposed between the arcuate surface and the outlet, said channel comprising a portion that engages the arcuate surface prior to the bottom-dead-centre position and which extends away from the rotor's axis of rotation towards the pump outlet. Thus, powder entrained in the pumped gas is effectively removed from pumping volume in a way which reduces the likelihood of any solid material causing the pump to seize: the channel can be arranged so that the solid material is “flung” towards the outlet or away from a meshing zone where rotors mesh with one another.

    摘要翻译： 罗茨真空泵定子被布置成容纳一对相互啮合的转子，所述定子的特征在于它包括导向器或偏转器，导向器或偏转器被布置成将夹带在通过泵抽吸的气体中的固体材料引导到出口。 换句话说，根据本发明的定子具有用于引导或偏转夹带在直接泵送到泵的出口或泵出的气体中的粉末或固体材料的装置。 引导装置可以包括设置在弓形表面和出口之间的通道，所述通道包括在下死点中心位置之前接合弓形表面并且远离转子的旋转轴线朝向泵出口延伸的部分。 因此，夹带在泵送气体中的粉末有效地从泵送体积中去除，这样可以降低任何固体物质使泵卡住的可能性：通道可以被布置成使固体材料朝向出口或远离 来自转子彼此啮合的啮合区域。

    PRIMING OF GEAR PUMP IN ALTERNATIVE ATTITUDES
    8.
    发明申请
    PRIMING OF GEAR PUMP IN ALTERNATIVE ATTITUDES 有权
    齿轮泵在替代方案中的优化

    公开(公告)号：US20130028752A1

    公开(公告)日：2013-01-31

    申请号：US13190548

    申请日：2011-07-26

    申请人： Joseph Wetch ,  Sara Dexter ,  Charles E. Reuter

    发明人： Joseph Wetch ,  Sara Dexter ,  Charles E. Reuter

    IPC分类号： F04B49/06 ,  F01C1/18

    CPC分类号： F04C14/06 ,  B64D37/28 ,  F04C2/18 ,  F04C2210/1044 ,  F04C2220/20

    摘要： A gear pump has a pair of meshed gears for rotating within a gear pump chamber, and a motor driving at least one of the gears. A discharge line passes fluid downstream from the gear pump chamber, and a suction line delivers fluid into the gear pump chamber. A bypass valve communicates with the discharge line. A shutoff valve communicates with the discharge line. The bypass valve opens at a lower pressure than the shutoff valve. A bypass line communicating the discharge line to the suction line when the bypass valve is open. The gear pump is configured to compress air. In addition, a gear pump arrangement that can be mounted in either of two attitudes is described, as is a method of operating a gear pump.

    摘要翻译： 齿轮泵具有用于在齿轮泵室内旋转的一对啮合齿轮，以及驱动至少一个齿轮的马达。 排出管线将流体从齿轮泵室向下流动，并且吸入管路将流体输送到齿轮泵室中。 旁通阀与排出管路连通。 截止阀与排出管路连通。 旁通阀在比截止阀低的压力下打开。 当旁通阀打开时，旁路管线将排放管路连通到吸入管路。 齿轮泵配置为压缩空气。 此外，还描述了可以以两种姿态安装的齿轮泵装置，以及操作齿轮泵的方法。

    ROOTS PUMPS
    10.
    发明申请
    ROOTS PUMPS 有权
    鞋底泵

    公开(公告)号：US20100104464A1

    公开(公告)日：2010-04-29

    申请号：US12576871

    申请日：2009-10-09

    申请人： Nigel Paul Schofield

    发明人： Nigel Paul Schofield

    IPC分类号： F04C2/18

    CPC分类号： F04C18/126 ,  F04C18/086 ,  F04C25/02 ,  F04C2220/20 ,  F04C2240/102

    摘要： A Roots vacuum pump stator is arranged to house a pair of intermeshing rotors, said stator being characterised in that it comprises a director or deflector arranged to direct solid material entrained in a gas pumped through the pump towards the outlet. In other words, the stator according to the present invention has a means for directing or deflecting powder or solid material entrained in a gas being pumped directly towards an outlet of the pump or out of the pump. The directing means can comprise a channel disposed between the arcuate surface and the outlet, said channel comprising a portion that engages the arcuate surface prior to the bottom-dead-centre position and which extends away from the rotor's axis of rotation towards the pump outlet. Thus, powder entrained in the pumped gas is effectively removed from pumping volume in a way which reduces the likelihood of any solid material causing the pump to seize: the channel can be arranged so that the solid material is “flung” towards the outlet or away from a meshing zone where rotors mesh with one another.

    摘要翻译： 罗茨真空泵定子被布置成容纳一对相互啮合的转子，所述定子的特征在于，其包括导向器或偏转器，导向器或偏转器被布置成将夹带在通过泵泵送的气体中的固体材料引导到出口。 换句话说，根据本发明的定子具有用于引导或偏转夹带在直接泵送到泵的出口或泵出的气体中的粉末或固体材料的装置。 引导装置可以包括设置在弧形表面和出口之间的通道，所述通道包括在下死点中心位置之前接合弧形表面的部分，并且其延伸远离转子的旋转轴线朝向泵出口。 因此，夹带在泵送气体中的粉末有效地从泵送体积中去除，这样可以降低任何固体物质使泵卡住的可能性：通道可以被布置成使固体材料朝向出口或远离 来自转子彼此啮合的啮合区域。