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    • 1. 发明申请
    • ELECTROMAGNETIC BEARING
    • 电磁轴承
    • WO1997004243A1
    • 1997-02-06
    • PCT/GB1996001581
    • 1996-07-02
    • THE GLACIER METAL COMPANY LIMITEDJAYAWANT, Richard, Anthony, Chandar
    • THE GLACIER METAL COMPANY LIMITED
    • F16C32/04
    • F16C32/0463F16C32/0476F16C32/048
    • An electromagnetic radial bearing (30) has diametrically opposite pole arrangements in pairs (15'1, 15'3 and 15'2, 15'4) which have limbs (191A, 191B, 191C, 192A etc.) spaced apart circumferentially of a rotor (11), each limb carrying both bias coils (311A, 311B, 311C) and control coils (331A, 331B, 331C). All of the bias coils of all of the limbs are connected in series and driven by low voltage (5 volts) bias current source (34), the bias coils of any pair of pole arrangements facing the rotor are connected with the same current direction relative to the rotor and deliver oppositely directed forces. The control coils of each facing pair of pole arrangements are connected in series with each other and fed from a single high voltage control current source (35) associated with that pair of pole arrangements. The control coils of the pair are wound with opposite current directions relative to the rotor, so that for a particular current direction through the coils, the bias and control coils of one pole arrangement produce aiding fluxes whilst the coils of the opposite pole arrangement produce opposing fluxes. The rotor is suspended between the pole arrangements by the magnetic flux generated by the bias current and displacement of the rotor axis on a radial axis (161) due to external forces sensed by sensor (2216) causes the control current to alter the flux in the opposing pole arrangements to compensate, any tendendy for changes in current to be induced in the bias circuit upon changes in the inductively coupled control coils is cancelled by said opposite winding senses in the pole arrangements of the pair. The above arrangement associated with a single radial displacement axis may also be added to an analogous axial bearing in which annular pole arrangements are disposed each side of a radially extending rotor collar. Axial and radial bearing components may exist within the single bearing arrangement and share a common bias current source.
    • 电磁径向轴承(30)具有直径相对的磁极布置成对(15'1,15'3和15'2,15'4),其具有沿着圆周方向间隔开的四边形(191A,191B,191C,192A等) 转子(11),每个支承带有偏压线圈(311A,311B,311C)和控制线圈(331A,331B,331C)的支路。 所有四肢的所有偏置线圈串联连接并由低压(5伏)偏置电流源(34)驱动,面对转子的任何一对极配置的偏置线圈与相同的电流方向相关 转向转子并提供相反方向的力。 每个面对的极配置对的控制线圈彼此串联连接并从与该对极配置相关联的单个高压控制电流源(35)馈送。 该对的控制线圈相对于转子以相反的电流方向缠绕,使得对于通过线圈的特定电流方向,一个极配置的偏置和控制线圈产生辅助通量,而相反极配置的线圈产生相对的 通量。 转子通过由偏置电流产生的磁通和由于传感器(2216)感测到的外力而在径向轴线(161)上的转子轴线的位移而悬置在极配置之间,导致控制电流改变 用于补偿的相对的磁极布置,在电感耦合的控制线圈的变化中在偏置电路中感应的电流变化的任何趋势被该对的极配置中的所述相反的绕组感测所抵消。 与单个径向位移轴相关联的上述布置也可以被添加到类似的轴向轴承,其中环形磁极布置设置在径向延伸的转子轴环的每一侧。 轴承和径向轴承组件可能存在于单个轴承装置内并共用一个共同的偏置电流源。
    • 8. 发明申请
    • CENTRIFUGAL SEPARATION APPARATUS
    • 离心分离装置
    • WO1998011994A1
    • 1998-03-26
    • PCT/GB1997002248
    • 1997-08-21
    • THE GLACIER METAL COMPANY LIMITEDPURVEY, Ronald, JamesCOX, Ian, Malcolm
    • THE GLACIER METAL COMPANY LIMITED
    • B04B05/00
    • B04B5/005
    • A centrifugal separator (10) for removing particulate contaminants from liquid such as engine lubricants consists of a housing (11) for securing to the engine having a funnel-shaped floor (15) from which oil can drain centrally at (16). The housing is secured to a legged spider or cage (21) carrying a hollow axle (17) by which the apparatus is secured to the engine and oil delivered to a separation rotor canister (41). Liquid ejected tangentially from rotor nozzles (43) to cause it to rotate tends to flow around the inside of the housing as a vortex and to prevent rotation of the canister being interfered with by climbing of the vortex or splashing of the liquid from such vortex, one or more vortex disruption vanes are formed with the legs of the cage to deflect liquid.
    • 用于从诸如发动机润滑剂的液体中除去微粒污染物的离心分离器(10)由用于固定到具有漏斗形地板(15)的发动机的壳体(11)组成,在(16)处油可以从中心排出。 壳体被固定到承载空心轴(17)的腿式蜘蛛或笼(21),通过该空心轴将装置固定到发动机上并将油输送到分离转子罐(41)。 从转子喷嘴(43)切向旋转以使其旋转的液体倾向于以涡流的形式围绕壳体的内部流动,并且防止由于涡流的攀升或液体从该涡流的飞溅而受到干扰的罐的旋转, 一个或多个涡流破碎叶片与笼的腿形成以使液体偏转。
    • 9. 发明申请
    • FLUID CIRCULATION CENTRIFUGAL CLEANER
    • 流体循环离心清洗机
    • WO1996021511A1
    • 1996-07-18
    • PCT/GB1995002896
    • 1995-12-12
    • THE GLACIER METAL COMPANY LIMITEDPENNY, Steven, Charles
    • THE GLACIER METAL COMPANY LIMITED
    • B04B05/00
    • B04B11/04B04B5/005
    • A centrifugal fluid cleaning arrangement (100, figure 2(a)) in a fluid circulation system includes a centrifugal cleaner (100') through which only a proportion of the circulated fluid is diverted and drainage assistance means (102) which consists of a venturi arrangement (111) through which non-diverted fluid is passed, the venturi developing locally a significant pressure drop in a region into which opens an induction port (108) connected to the cleaner holding sump (101') so that the cleaned fluid is entrained into the non-diverted fluid and returned to the circulation. Whilst the pressure difference between inlet and induction ports is sufficient to drive the centrifugal cleaner rotor, the absolute pressures of the supply to, and drain from, the cleaner do not depend on the ambient atmospheric pressure and the overall pressure drop of the venturi arrangement is small, permitting it to be included within a closed circulation system. A regulator means (120, figure 2(b)) may by-pass the venturi arrangement to regulate the flow of fluid therethrough. The drainage assistance means may be separate from the centrifugal cleaner (20', figure 1(b)).
    • 流体循环系统中的离心流体清洁装置(100,图2(a))包括离心清洁器(100'),只有一部分循环流体通过该离心清洁器被转向,排水辅助装置(102)由文丘里管 非转移流体通过的布置(111),文氏管局部地显着地打开连接到清洁器保持池(101')的导入口(108)的区域中的显着的压降,使得清洁的流体被夹带 进入非转移流体并返回循环。 虽然入口和感应口之间的压差足以驱动离心式清洁器转子,但是清洁器的供给和从其排出的绝对压力不依赖于环境大气压力,并且文氏管布置的总压降是 很小,允许它被包含在封闭的循环系统中。 调节装置(120,图2(b))可以绕过文氏管布置以调节流体的流动。 排水辅助装置可以与离心式清洁器分离(20',图1(b))。