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1. 发明授权

US5505684A Centrifuge construction having central stator 失效
标题翻译：具有中心定子的离心机结构
公开(公告)号：US5505684A
公开(公告)日：1996-04-09
申请号：US288387
申请日：1994-08-10
申请人： Alireza Piramoon
发明人： Alireza Piramoon
IPC分类号： B04B9/02 , B04B9/04 , H02K7/08 , H02K7/14
CPC分类号： B04B9/04 , H02K7/088 , H02K7/14
摘要： A centrifuge construction is disclosed in which a centrally located stator directly drives a peripheral ring shaped centrifuge rotor. In the preferred embodiment, a centrifuge drive is disclosed which includes a stationary, central and usually cylindrical stator having stationary electrical windings for generating a rotating and driving magnetic field. The ring shaped centrifuge rotor is supported by at least one bearing relative to the stator and includes a large central aperture defined by the inside of the ring which enables the rotor to fit over and rotate about the stator. At portions of the rotor adjoining the stator, the rotor is constructed from materials which are entrained by the rotating magnetic field. The centrifuge rotor containing samples undergoing centrifugation is directly driven from the stator by entrainment of the rotor with the rotating and driving magnetic field generated from the electrical windings of the stator. In the usual case, this large central aperture in the rotor requires the use of composite materials in the rotor to resist radial centrifugal forces generated during centrifugation with hoop stress resistance from wound composite material fibers.
摘要翻译：公开了一种离心机结构，其中中心定位的定子直接驱动周边环形离心机转子。在优选实施例中，公开了一种离心机驱动器，其包括具有用于产生旋转和驱动磁场的固定电绕组的固定的，中心的和通常为圆柱形的定子。环形离心机转子由相对于定子的至少一个轴承支撑，并且包括由环的内部限定的大的中心孔，其使得转子能够绕定子旋转并围绕定子旋转。在转子的与定子相邻的部分处，转子由旋转磁场夹带的材料构成。含有经离心的样品的离心机转子通过从定子的电绕组产生的旋转和驱动磁场夹带转子直接从定子驱动。在通常的情况下，转子中的这个大的中心孔需要使用转子中的复合材料，以抵抗离心过程中产生的径向离心力，从缠绕的复合材料纤维获得环箍应力。

2. 发明授权

US5759592A Compression mold for forming a composite material fixed angle rotor 失效
标题翻译：用于形成复合材料固定角转子的压模
公开(公告)号：US5759592A
公开(公告)日：1998-06-02
申请号：US753839
申请日：1996-12-02
申请人： Alireza Piramoon , Robert Wedemeyer , Michel Mark Fournier
发明人： Alireza Piramoon , Robert Wedemeyer , Michel Mark Fournier
IPC分类号： B04B7/08 , B29C33/00 , B29C33/44 , B29C33/76 , B29C43/02 , B29C70/34 , F16F15/30 , F16F15/305 , B29C43/42 , B29C33/48
CPC分类号： B29C70/345 , B04B7/085 , B29C33/0033 , B29C33/44 , B29C33/76 , B29C43/027 , B29C43/36 , B29L2031/7498 , Y10S425/058
摘要： A method and apparatus for the compression molding of composite fiber fixed angle rotors is disclosed. A female mold member defines a closed cylinder cavity for molding the bottom surface of the rotor, this cavity usually defining a frustum shaped central cavity complimentary to and concentric with the spin axis of the ultimately formed rotor. A male mold member having a complimentary cylindrical profile contains a frustum shaped inner cavity with the apex of the frustum disposed to the inner portion of the cylinder and the base end of the frustum exposed to the cylindrical opening of the female mold. This frustum shaped inner cavity defines the exterior frustum shape of the ultimately produced rotor and defines between the exterior frustum profile and the frustum shaped inner cavity a rotor body wall having sufficient thickness to receive the sample tube apertures. At the apex end of the frustum shaped cavity in the male mold member, there is located a lock system for maintaining sample tube aperture cores. These sample tube aperture cores are locked within the frustum cavity in the precise alignment of the ultimately formed sample tubes of the rotor. Loading of the mold with resin pre-impregnated fiber typically occurs in the frustum shaped cavity of the male mold member and at the bottom of the female mold member. A compression molded rotor product is disclosed having discontinuous fibers optimally disposed to resist the forces of centrifugation.
摘要翻译：公开了一种用于压缩成型复合纤维固定角转子的方法和装置。阴模构件限定用于模制转子底表面的闭合气缸腔，该空腔通常限定与最终形成的转子的旋转轴互补并与其同心的截头锥形中心腔。具有互补的圆柱形轮廓的阳模构件包括截头锥形的内腔，其截头锥体的顶点设置在气缸的内部，并且截头锥体的基端暴露于阴模的圆柱形开口。该截头锥形内腔限定最终产生的转子的外截面形状，并限定在外截头锥形外廓和截头锥形内腔之间，具有足够厚度以容纳样品管孔的转子体壁。在阳模构件中的截头锥形腔的顶端处，设置有用于维持样品管孔芯的锁定系统。这些样品管孔径芯在转子的最终形成的样品管的精确对准中锁定在平截头体腔内。树脂预浸渍纤维的模具的加载通常发生在阳模构件的截头锥形腔中和阴模构件的底部。公开了一种压缩成型的转子产品，其具有最佳布置以抵抗离心力的不连续纤维。

3. 发明授权

US5776400A Method for compression molding a composite material fixed angle rotor 失效
标题翻译：复合材料固定角转子压缩成型方法
公开(公告)号：US5776400A
公开(公告)日：1998-07-07
申请号：US753840
申请日：1996-12-02
申请人： Alireza Piramoon , Robert Wedemeyer , Michel Mark Fournier
发明人： Alireza Piramoon , Robert Wedemeyer , Michel Mark Fournier
IPC分类号： B04B7/08 , B29C33/00 , B29C33/44 , B29C33/76 , B29C43/02 , B29C70/34 , F16F15/30 , F16F15/305 , B29C43/18 , B27N3/08 , B29C43/20
CPC分类号： B29C70/345 , B04B7/085 , B29C33/0033 , B29C33/44 , B29C33/76 , B29C43/027 , B29C43/36 , B29L2031/7498 , Y10S425/058
摘要： A method for the compression molding of composite fiber fixed angle rotors is disclosed. A female mold member defines a closed cylinder cavity for molding the bottom surface of the rotor, this cavity usually defining a frustum shaped central cavity complimentary to and concentric with the spin axis of the ultimately formed rotor. A male mold member having a complimentary cylindrical profile contains a frustum shaped inner cavity with the apex of the frustum disposed to the inner portion of the cylinder and the base end of the frustum exposed to the cylindrical opening of the female mold. This frustum shaped inner cavity defines the exterior frustum shape of the ultimately produced rotor and defines between the exterior frustum profile and the frustum shaped inner cavity a rotor body wall having sufficient thickness to receive the sample tube apertures. At the apex end of the frustum shaped cavity in the male mold member, there is located a lock system for maintaining sample tube aperture cores. These sample tube aperture cores are locked within the frustum cavity in the precise alignment of the ultimately formed sample tubes of the rotor. Loading of the mold with resin pre-impregnated fiber typically occurs in the frustum shaped cavity of the male mold member and at the bottom of the female mold member. A compression molded rotor product is MANUFACTURED having discontinuous fibers optimally disposed to resist the forces of centrifugation.
摘要翻译：公开了一种复合纤维固定角转子的压缩成型方法。阴模构件限定用于模制转子底表面的闭合气缸腔，该空腔通常限定与最终形成的转子的旋转轴互补并与其同心的截头锥形中心腔。具有互补的圆柱形轮廓的阳模构件包含截头锥形的内腔，其截头锥体的顶点设置在气缸的内部，并且截头锥体的基端暴露于阴模的圆柱形开口。该截头锥形内腔限定最终产生的转子的外截面形状，并限定在外截面锥形外廓和截头锥形内腔之间，转子体壁具有足够的厚度以容纳样品管孔。在阳模构件中的截头锥形腔的顶端处，设置有用于维持样品管孔芯的锁定系统。这些样品管孔径芯在转子的最终形成的样品管的精确对准中锁定在平截头体腔内。树脂预浸渍纤维的模具的加载通常发生在阳模构件的截头锥形腔中和阴模构件的底部。压缩成型的转子产品被制造成具有最佳布置的不连续纤维以抵抗离心力。

4. 发明授权

US5683341A Quill shaft suspension for centrifuge rotor having central stator 失效
标题翻译：具有中心定子的离心机转子的轴芯悬挂
公开(公告)号：US5683341A
公开(公告)日：1997-11-04
申请号：US616068
申请日：1996-03-14
申请人： Robert Giebeler
发明人： Robert Giebeler
IPC分类号： B04B9/12 , B04B5/02 , B04B9/00
CPC分类号： B04B9/12
摘要： In a centrifuge having a central stator with a peripheral rotor, an improved suspension for the rotor is disclosed. The central stator is provided with a bore coaxial to the axis of rotation of the rotor. The rotor of the centrifuge motor has a quill shaft support member extending into and rotating within the coaxial bore of the stator. A quill shaft attaches at the bottom of the quill shaft support member and extends upward above the rotor of the centrifuge motor to support a fastening hub for the centrifuge rotor. The rotor of the centrifuge is detached from the rotor of the centrifuge motor so as to define a spatial interval between the supported spinning rotor and the rotor of the motor driving the centrifuge. The centrifuge rotor attaches at the hub and depends downward from the hub with the spatial interval being defined between the rotor of the motor and the rotor of the centrifuge. It is noted that the center of gravity of the attached centrifuge rotor is well below the hub so that support of the rotor is inherently stable. In the preferred embodiment, heat transfer shielding material is placed over the rotor of the motor. Operation is quite and smooth with the inevitable rotor imbalances being absorbed by quill shaft flexure.
摘要翻译：在具有带有外围转子的中心定子的离心机中，公开了用于转子的改进的悬架。中心定子设置有与转子的旋转轴线同轴的孔。离心机电动机的转子具有延伸到定子的同轴孔内并在其内旋转的套筒轴支撑构件。梭轴安装在轴套支撑件的底部并向上延伸到离心机马达的转子上方，以支撑离心机转子的紧固毂。离心机的转子与离心机电动机的转子分离，以便限定支撑的旋转转子和驱动离心机的电机的转子之间的空间间隔。离心机转子附接在轮毂上，并从轮毂向下并且在电动机的转子和离心机的转子之间限定空间间隔。应注意，附着的离心机转子的重心远低于轮毂，因此转子的支撑本来就是稳定的。在优选实施例中，传热屏蔽材料放置在电动机的转子上方。操作非常顺利，不必要的转子不平衡被套筒轴挠曲所吸收。

5. 发明授权

US5643168A Compression molded composite material fixed angle rotor 失效
标题翻译：压缩成型复合材料固定角转子
公开(公告)号：US5643168A
公开(公告)日：1997-07-01
申请号：US431544
申请日：1995-05-01
申请人： Alireza Piramoon , Robert Wedemeyer , Michel Mark Fournier
发明人： Alireza Piramoon , Robert Wedemeyer , Michel Mark Fournier
IPC分类号： B04B7/08 , B29C33/00 , B29C33/44 , B29C33/76 , B29C43/02 , B29C70/34 , F16F15/30 , F16F15/305 , B04B5/02
CPC分类号： B29C70/345 , B04B7/085 , B29C33/0033 , B29C33/44 , B29C33/76 , B29C43/027 , B29C43/36 , B29L2031/7498 , Y10S425/058
摘要： A fixed angle centrifuge rotor body is constructed from compression molded composite material. The rotor body has a frustum shaped peripheral contour about a central spin axis between a base end and an apex end. The body has net shaped angled sample tube apertures defined in the rotor body extending from openings in the apex end adjacent the spin axis of the rotor body to bottom portions of the sample tube apertures more remote from the spin axis of the rotor body. The rotor body is formed from resin cured about discontinuous composite fiber with the major axis of the discontinuous fiber disposed normal to the spin axis of the rotor body interior of the rotor body. The resin cured discontinuous composite fibers exceed 40 weight percent of the cured rotor product and have no visible layering between respective fibers. The resin cured discontinuous composite fibers have minor vertical excursion parallel to the spin axis of the rotor and relatively no kinking along their respective lengths. The resin cured discontinuous fibers are disposed parallel to the surfaces of and about molded sample tube apertures in the rotor body.
摘要翻译：固定角离心机转子体采用压塑复合材料制成。转子体在基端和顶端之间具有围绕中心旋转轴线的截头圆锥形周边轮廓。主体具有限定在转子主体中的网状倾斜的样品管孔，其从邻近转子体的旋转轴线的顶端的开口延伸到样品管孔的距转子体的旋转轴线更远的样品管孔的底部。转子体由不连续复合纤维固化的树脂形成，不连续纤维的主轴垂直于转子体的转子体内部的旋转轴线。树脂固化的不连续复合纤维超过固化的转子产品的40重量％，并且在各个纤维之间没有可见的分层。树脂固化的不连续复合纤维具有平行于转子的旋转轴的较小的垂直偏移，并且沿着它们各自的长度相对不扭结。树脂固化的不连续纤维平行于转子体中的模制样品管孔的表面和周围设置。

6. 发明授权

US6056910A Process for making a net shaped composite material fixed angle centrifuge rotor 失效
标题翻译：制造网状复合材料固定角离心机转子的工艺
公开(公告)号：US6056910A
公开(公告)日：2000-05-02
申请号：US863248
申请日：1997-05-27
申请人： Don Fritsch , Alireza Piramoon , Robert Wedemeyer
发明人： Don Fritsch , Alireza Piramoon , Robert Wedemeyer
IPC分类号： B04B7/08 , B29C33/00 , B29C33/44 , B29C33/76 , B29C43/02 , B29C70/34 , F16F15/30 , F16F15/305 , B29C43/18
CPC分类号： B29C70/345 , B04B7/085 , B29C33/0033 , B29C33/44 , B29C33/76 , B29C43/027 , B29L2031/7498
摘要： In a fixed angle centrifuge having sample tube apertures symmetrically distributed around the spin axis of a rotor body, two rotor body shapes are disclosed at the rotor body top adjacent the openings to the sample tube apertures. These shapes each permit both release of the sample tube aperture cores and maintain the intersection of the top of the sample tube aperture within a plane normal to the axis of the sample tube aperture. A first shape includes placing discrete facets at the top of the rotor body adjacent the sample tube aperture openings. The second, and preferred embodiment, includes generating a spherical surface utilizing a spherical radius which is taken from the intersection of the spin axis of the rotor and the axes from each of the sample tube apertures. In both cases, precise termination of material molding the rotor body occurs at the top of the cylindrical portion of the sample tube aperture. Sample tube aperture core withdrawal easily occurs. Further, the ultimately formed sample tube aperture easily supports the sample and sample tube during centrifugation.
摘要翻译：在具有对称分布在转子体的旋转轴线上的样品管孔的固定角度离心机中，在与样品管孔的开口相邻的转子体顶部处公开了两个转子体形状。这些形状都允许样品管孔芯的释放，并且将样品管孔的顶部保持在垂直于样品管孔的轴线的平面内。第一形状包括将离散小面放置在与样品管孔开口相邻的转子体的顶部。第二和优选实施例包括使用从转子的旋转轴线和每个样品管孔的轴线的交点获得的球面半径来产生球面。在这两种情况下，转子体的材料成型的精确终止发生在样品管孔的圆柱形部分的顶部。样品管孔径取芯容易发生。此外，最终形成的样品管孔在离心过程中容易地支撑样品和样品管。

7. 发明授权

US5833908A Method for compression molding a fixed centrifuge rotor having sample tube aperture inserts 失效
标题翻译：用于压缩成型具有样品管孔插入物的固定离心机转子的方法
公开(公告)号：US5833908A
公开(公告)日：1998-11-10
申请号：US561525
申请日：1995-11-21
申请人： Alireza Piramoon , Robert Wedemeyer , Guillaume Crete
发明人： Alireza Piramoon , Robert Wedemeyer , Guillaume Crete
IPC分类号： B04B7/08 , B29C33/00 , B29C33/44 , B29C33/76 , B29C43/02 , B29C70/34 , F16F15/30 , F16F15/305 , B27N5/02 , B29C43/18
CPC分类号： B04B7/085 , B29C33/0033 , B29C33/44 , B29C33/76 , B29C43/027 , B29C43/36 , B29C70/345 , B29L2031/7498 , Y10T464/50 , Y10T74/2109
摘要： In the compression molding of a fixed angle centrifuge rotor utilizing discontinuous fibers, sample tube apertures cores present in the net-shape mold are covered with pre-cured sample tube aperture inserts. The sample tube aperture inserts have a constant and unchanging inside diameter and are formed from composite fiber. This composite fiber extends from the closed bottom of the inserts, upwardly along the sides of the inserts to the open top of the inserts to provide tensile strength longitudinally of the sample tube aperture inserts. The sample tube aperture inserts have a regular and smooth inside for first accommodating the sample tube aperture cores when the rotor is compression molded and later the sample tubes themselves when the rotor is fully fabricated. These inserts have an irregular outside for forming an interference fit with the subsequently formed compression molded rotor body. Finally, the sample tube aperture inserts have a tapered thickness with the top and open portion of the inserts having a thick wall construction and the bottom and closed portion of the inserts having a thinner wall construction. In use, and when the compression mold is loaded, the sample tube aperture inserts are placed over the sample tube aperture cores. When the mold is fully loaded, and compression molding occurs, the inserts integrally form to the rotor body and the sample tube aperture cores are removed.
摘要翻译：在使用不连续纤维的固定角度离心机转子的压缩成型中，存在于网状模具中的样品管孔芯被预固化样品管孔插入物覆盖。样品管孔插入物具有恒定且不变的内径，并且由复合纤维形成。该复合纤维从插入件的封闭底部向上延伸，沿插入件的侧面向上延伸到插入件的开口顶部，以在样品管孔插入件的纵向提供拉伸强度。样品管孔插入件具有规则且平滑的内部，用于当转子被压缩模制时首先容纳样品管孔芯，并且随后在完全制造转子时样品管本身。这些插入件具有不规则的外部，用于与随后形成的压缩成型转子体形成过盈配合。最后，样品管孔插入物具有锥形厚度，其中插入件的顶部和开口部分具有厚壁结构，并且插入件的底部和封闭部分具有较薄的壁结构。在使用中，当加载压缩模具时，将样品管孔插入物放置在样品管孔芯上。当模具完全装载并且发生压缩成型时，插入件一体地形成到转子主体并且样品管孔芯被移除。

8. 发明授权

US5527257A Rotor having endless straps for mounting swinging buckets 失效
标题翻译：转子有环形带安装摆动桶
公开(公告)号：US5527257A
公开(公告)日：1996-06-18
申请号：US306508
申请日：1994-09-14
申请人： Alireza Piramoon
发明人： Alireza Piramoon
IPC分类号： B65H81/06 , B04B5/02 , B04B5/04 , B04B7/08 , F16F15/305
CPC分类号： B04B5/0421 , B04B7/085 , F16F15/305 , Y10T29/49316 , Y10T29/49798
摘要： A swinging bucket rotor constructed of composite material has a central rotor body including strap retaining surfaces. Wound endless composite fiber straps are provided having central portions which are attached to the respective top and bottom of the central rotor body and loop portions remote from the central rotor body for mounting the swinging buckets. These wound endless straps attach centrally to the central rotor body at the strap retaining surfaces and define bucket retaining loops symmetrically spaced from the spin axis of the rotor at the central rotor body. In the preferred embodiment, each bucket retaining loop holds spaced apart bushings for receiving a trunion shaft. Paired trunions on either side of a central sample tube receiving ring are provided. The trunions fit to the composite loop portions of the endless composite material straps. Typically, four sample receiving buckets are placed within and held by the central sample tube receiving rings. Such loading of the buckets occur by the bucket being lowered into the sample tube receiving rings until they are pendulously supported through the rings by the trunions. There results a swinging bucket rotor having top loading sample tube apertures constructed at its sample retaining loops from composite material disposed in tension with the benefit of reduced construction cost and operational complication.
摘要翻译：由复合材料构成的摆动转子转子具有包括带保持表面的中心转子体。绕组环形复合纤维带被设置成具有中心部分，其中心部分附接到中心转子体的相应顶部和底部以及远离中心转子本体的环部分，用于安装摆动桶。这些缠绕的无端带在带保持表面处中心地附接到中心转子体，并且在中心转子体处限定与转子的旋转轴线对称地间隔的铲斗保持环。在优选实施例中，每个铲斗保持环保持间隔开的衬套，用于容纳一个立柱轴。提供了在中央样品管接收环的任一侧上的配对的团块。该组合适合于环形复合材料带的复合环部分。通常，四个样品接收桶放置在中央样品管接收环中并由其保持。桶的这种装载是由铲斗下降到样品管接收环中而发生的，直到它们通过环状物通过环被无谓地支撑。这样就产生了一个摆动的斗式转子，它具有顶部装载的样品管孔，该样品管在其样品保持环上由构成张力的复合材料构成，有利于减少施工成本和操作复杂性。

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