Friction clutch with low declutch force
    1.
    发明授权
    Friction clutch with low declutch force 失效
    低离合力摩擦离合器

    公开(公告)号:US06176361B1

    公开(公告)日:2001-01-23

    申请号:US09117145

    申请日:1999-08-18

    IPC分类号: F16D1358

    摘要: The friction clutch comprises a cover (8) with a base (80), a pressure plate (3) with a front friction face (30) for co-operating with a clutch friction and, set between the pressure plate (3) and the base (80) of the cover (8), a diaphragm (2) with a peripheral part extended inward by fingers (23) to oppose at will, by means of a nose (11) of a clutch bearing (10), the action of said peripheral part (21), a booster elastic washer (7) acting on the fingers (23) of the diaphragm (2) in the declutching direction resting on the cover (8): the booster washer (7) is arranged between the cover (8) and the leading-edge piece or nose (11) such that it is adapted to operate on the fingers (23) of the diaphragm (2) via said leading-edge piece or nose (11).

    摘要翻译: 摩擦离合器包括具有基座(80)的盖(8),具有前摩擦面(30)的压板(3),用于与离合器摩擦相配合,并设置在压板(3)和 (8)的底座(80),具有通过手指(23)向内延伸以通过离合器轴承(10)的鼻部(11)相对的周向部分的隔膜(2),所述动作 的所述周边部分(21)上的辅助弹性垫圈(7),所述增强弹性垫圈(7)沿着所述隔离膜(2)的指状物(23)在所述盖(8)上作用;所述增压垫圈(7) 盖子(8)和前缘件或鼻子(11),使得其适于通过所述前缘件或鼻子(11)在隔膜(2)的手指(23)上操作。

    Nuclear magnetic resonance imaging installation
    2.
    发明授权
    Nuclear magnetic resonance imaging installation 失效
    核磁共振成像装置

    公开(公告)号:US4742302A

    公开(公告)日:1988-05-03

    申请号:US774732

    申请日:1985-09-11

    申请人: Eric Breton

    发明人: Eric Breton

    IPC分类号: C08F2/06 G01R33/48 G01R33/20

    CPC分类号: G01R33/446

    摘要: In order to generate a radiofrequency excitation signal in an installation for NMR imaging, the envelope of the radiofrequency pulse is deduced from the shape of the selected cross-section which would result from application of a radiofrequency pulse having an envelope representing the desired selected cross-section shape.

    摘要翻译: 为了在用于NMR成像的装置中产生射频激励信号,从所选择的横截面的形状推导出射频脉冲的包络,该截面由施加具有表示期望的选定横截面的包络的射频脉冲而产生, 截面形状。

    Process for imaging by nuclear magnetic resonance
    3.
    再颁专利
    Process for imaging by nuclear magnetic resonance 失效
    核磁共振成像过程

    公开(公告)号:USRE33391E

    公开(公告)日:1990-10-16

    申请号:US301991

    申请日:1989-01-26

    IPC分类号: G01R33/563

    CPC分类号: G01R33/56341

    摘要: The invention proposes an imaging process by nuclear magnetic resonance in which a calculated image is given corresponding to the molecular diffusion value at each point of an investigated medium. The diffusion image is obtained by comparing images relative to same sections of the medium and acquired during two excitation sequences, whereof one is not very sensitive to the diffusion and the other is particularly sensitive thereto. These two images undergo comparison in order to produce a diffusion image.

    Method for the application of gradient pulses in an imaging experiment
using a nuclear magnetic resonnance machine
    4.
    发明授权
    Method for the application of gradient pulses in an imaging experiment using a nuclear magnetic resonnance machine 失效
    在使用核磁共振机的成像实验中应用梯度脉冲的方法

    公开(公告)号:US4857845A

    公开(公告)日:1989-08-15

    申请号:US180111

    申请日:1988-03-22

    申请人: Eric Breton

    发明人: Eric Breton

    CPC分类号: G01R33/4833

    摘要: Gradient pulses are applied during the common periods and with homothetic shapes on each of three imaging axes of an NMR machine in order to form oblique images. This results in a simplification of programming of the supplies of the gradient pulse application device.

    摘要翻译: PCT No.PCT / FR87 / 00299 Sec。 371日期1988年3月22日 102(e)1988年3月22日PCT Filted 1987年7月28日PCT公布。 出版物WO88 / 01381 日期:1988年2月25日。在共同的周期中施加渐变脉冲,并在NMR机的三个成像轴的每一个上具有同质形状,以形成倾斜图像。 这导致对梯度脉冲施加装置的供给的编程的简化。

    Friction clutch with wear take-up device provided with resetting means and tool adapted to reset said device
    5.
    发明授权
    Friction clutch with wear take-up device provided with resetting means and tool adapted to reset said device 失效
    具有磨损牵引装置的摩擦离合器设置有复位装置和适于重置所述装置的工具

    公开(公告)号:US06302254B1

    公开(公告)日:2001-10-16

    申请号:US09230542

    申请日:2000-01-03

    IPC分类号: F16D1375

    CPC分类号: F16D13/757 F16D13/58

    摘要: The friction clutch comprises a reaction plate designed to be blocked on a driving shaft, a friction disk, bearing at its external periphery friction linings, a pressure plate, a cover (52) fixed on the reaction plate, an axially operating clutching device (53) controlled by a disengaging device and which operate between the cover (52) and the pressure plate through a support device, the pressure plate being integral in rotation with the cover (52) and being subjected to the action of an elastic return device (9) axially returning the pressure plate towards the cover (52). The clutch also comprises a wear take-up device comprising a toothed gear (59) with which a worm screw (63) co-operates and a device (90) for resetting in the position corresponding to linings in new condition, the device (90) being placed at the worm screw (63) tip to drive the latter in rotation.

    摘要翻译: 摩擦离合器包括设计成阻挡在驱动轴上的反作用板,摩擦盘,其外周摩擦衬里的轴承,压板,固定在反作用板上的盖(52),轴向操作的离合装置(53 ),其通过分离装置控制,并且通过支撑装置在盖(52)和压板之间操作,压板与盖(52)整体旋转并受到弹性返回装置(9)的作用 )将压板轴向地朝向盖(52)返回。 该离合器还包括一个磨损拾取装置,该装置包括与蜗杆螺杆(63)配合的齿轮(59)和用于在与新的状态下对应于衬垫的位置复位的装置(90),该装置(90 )放置在蜗杆(63)尖端处以驱动旋转。

    Method to measure the molecular diffusion and/or perfusion parameters of
live tissue
    6.
    发明授权
    Method to measure the molecular diffusion and/or perfusion parameters of live tissue 失效
    测量活组织分子扩散和/或灌注参数的方法

    公开(公告)号:US4809701A

    公开(公告)日:1989-03-07

    申请号:US100261

    申请日:1987-09-23

    CPC分类号: G01R33/5673 G01R33/56341

    摘要: By synchronizing the radio-frequency excitations of a nuclear magnetic resonance experiment with the heart beat of a patient, notable improvement is obtained in the measurement of the molecular diffusion parameters of the tissues studied. In particular, good images of the brain are obtained in this way: the parameter represented is the molecular diffusion constant.

    摘要翻译: 通过将核磁共振实验的射频激励与患者的心跳同步,在研究的组织的分子扩散参数的测量中获得显着的改善。 特别地,以这种方式获得了大脑的良好图像:所表示的参数是分子扩散常数。

    Process for imaging by nuclear magnetic resonance
    7.
    发明授权
    Process for imaging by nuclear magnetic resonance 失效
    核磁共振成像过程

    公开(公告)号:US4780674A

    公开(公告)日:1988-10-25

    申请号:US946034

    申请日:1986-12-24

    IPC分类号: G01R33/563 G01R33/20

    CPC分类号: G01R33/56341

    摘要: The invention proposes an imaging process by nuclear magnetic resonance in which a calculated image is given corresponding to the molecular diffusion value at each point of an investigated medium. The diffusion image is obtained by comparing images relative to same sections of the medium and acquired during two excitation sequences, whereof one is not very sensitive to the diffusion and the other is particularly sensitive thereto. These two images undergo comparison in order to produce a diffusion image.

    摘要翻译: 本发明提出了一种通过核磁共振的成像方法,其中给出对应于所研究介质的每个点处的分子扩散值的计算图像。 扩散图像通过比较相对于介质的相同部分的图像获得,并且在两个激发序列期间获得,其中一个对扩散不是很敏感,另一个对其特别敏感。 这两个图像进行比较以产生扩散图像。