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公开(公告)号：US20110306011A1
公开(公告)日：2011-12-15
申请号：US13134410
申请日：2011-06-07
IPC分类号： A61C1/05
CPC分类号： A61C1/05 , F16C32/0614 , F16C32/0696 , F16C2316/13
摘要： A dental handpiece uses a single airflow input to drive both a rotor and provide a hydrostatic bearing. The fluid flow in the form of compressed air is applied first to the hydrostatic bearings and then subsequently to the turbine blades of the rotor without the use of any moving mechanical parts by the design of the air passageway being more direct for the hydrostatic bearing. This passageway is the form of a manifold insert which may be mounted within the handpiece. The handpiece includes a pair of frusto-conical cages separated by a C-shaped spacer which enables precise fabrication. The frusto-conical ends of the rotor and the mating frusto-conical inner surfaces of the cages are provided with a diamond like carbon coating.
摘要翻译： 牙科手机使用单个气流输入来驱动转子并提供静压轴承。 压缩空气形式的流体流动首先应用于静压轴承，然后再通过空气通道的设计使静压轴承更直接地应用于转子的涡轮机叶片，而不需要使用任何移动的机械部件。 该通道是可以安装在手持件内的歧管插入件的形式。 手持件包括一对由C形间隔件分隔的截头圆锥形保持架，能够进行精确的加工。 转子的截头圆锥形端部和保持架的配合截头圆锥形内表面设置有类似金刚石的碳涂层。
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公开(公告)号：US08562343B2
公开(公告)日：2013-10-22
申请号：US13134410
申请日：2011-06-07
IPC分类号： A61C1/05
CPC分类号： A61C1/05 , F16C32/0614 , F16C32/0696 , F16C2316/13
摘要： A dental handpiece uses a single airflow input to drive both a rotor and provide a hydrostatic bearing. The fluid flow in the form of compressed air is applied first to the hydrostatic bearings and then subsequently to the turbine blades of the rotor without the use of any moving mechanical parts by the design of the air passageway being more direct for the hydrostatic bearing. This passageway is the form of a manifold insert which may be mounted within the handpiece. The handpiece includes a pair of frusto-conical cages separated by a C-shaped spacer which enables precise fabrication. The frusto-conical ends of the rotor and the mating frusto-conical inner surfaces of the cages are provided with a diamond like carbon coating.
摘要翻译： 牙科手机使用单个气流输入来驱动转子并提供静压轴承。 压缩空气形式的流体流动首先应用于静压轴承，然后再通过空气通道的设计使静压轴承更直接地应用于转子的涡轮机叶片，而不需要使用任何移动的机械部件。 该通道是可以安装在手持件内的歧管插入件的形式。 手持件包括一对由C形间隔件分隔的截头圆锥形保持架，能够进行精确的加工。 转子的截头圆锥形端部和保持架的配合截头圆锥形内表面设置有类似金刚石的碳涂层。
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公开(公告)号：US5712486A
公开(公告)日：1998-01-27
申请号：US633917
申请日：1996-04-15
CPC分类号： G03B42/04
摘要： An opaque, generally flat flexible cassette is provided which receives and holds a storage phosphor screen while the screen is radiographed. The cassette has sufficient flexibility to be wrapped around an object to be radiographed. The cassette has a light-tight sealing device at or near its open end. The sealing device allows the cassette to be placed in either an open position for receiving or discharging the storage phosphor screen, or a closed position for holding the imaging storage medium therein during radiographing and transport. The cassette is designed so that the storage phosphor screen is discharged from the cassette without being physically handled by a person or being exposed to ambient light.
摘要翻译： 提供了一种不透明的，大致平坦的柔性盒，其在屏幕被射线照相时接收和保持存储荧光屏。 该盒式磁带具有足够的灵活性，可被包裹在被射出的物体周围。 盒子在其开口端处或附近具有不透光的密封装置。 密封装置允许盒放置在用于接收或排出存储荧光屏的打开位置中，或者在放射照相和运送期间将盒保持在其中的关闭位置。 盒式磁带被设计成使得存储荧光屏从盒中排出而不被人物理处理或暴露于环境光。
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4.发明授权Method and apparatus for accelerated removal of energy and residual images from phosphor screen employed in filmless radiography 失效用于无电影放射照相术中从荧光屏加速去除能量和残留图像的方法和装置
公开(公告)号：US6140663A
公开(公告)日：2000-10-31
申请号：US47552
申请日：1998-03-25
摘要： Methods and apparatus for rapidly removing stored energy from (i.e., erasing) a reusable photostimulable storage phosphor screen use a first source of electromagnetic radiation which primarily outputs a wavelength or wavelengths of about 577 nanometers to about 597 nanometers, and a second source of electromagnetic radiation which primarily outputs a wavelength or wavelengths in the infrared region. Exposure to the second source of radiation may occur either after, or simultaneously with, exposure to the first source of radiation. During exposure to the first source of electromagnetic energy, ultraviolet radiation is filtered out so that none reaches the phosphor screen, or a first source is selected which does not output substantially any ultraviolet radiation. The first source of electromagnetic radiation erases the phosphor screen to a homogenized quasi-erased state. The second source of electromagnetic radiation erases the phosphor screen from the homogenized quasi-erased state to a fully or nearly fully erased state. The first source of electromagnetic radiation may be a sodium vapor lamp which also functions to remove residual images. Residual images may also be removed by exposing the phosphor screen to a source of electromagnetic radiation which outputs a wavelength or wavelengths including at least one of infrared and near-infrared, and a reduced amount of charging wavelengths. The process may include filtering any visible light having a wavelength below red light emitted from the second source of radiation.
摘要翻译： 用于从可再利用的可光激励存储荧光屏中快速去除（即擦除）存储的能量的方法和装置使用主要输出约577纳米至约597纳米的波长或波长的第一电磁辐射源，以及第二电磁辐射源 其主要输出红外区域中的波长或波长。 暴露于第二辐射源可能在暴露于第一辐射源之后或同时暴露于第一辐射源。 在暴露于第一电磁能量源期间，紫外线辐射被滤出，使得没有到达荧光屏，或选择不输出基本上任何紫外线辐射的第一源。 第一电磁辐射源将荧光屏消除为均匀的准擦除状态。 第二电磁辐射源将荧光屏从均匀化的准擦除状态消除到完全或接近完全擦除状态。 电磁辐射的第一来源可以是钠蒸汽灯，其还用于去除残留图像。 通过将荧光屏暴露于输出包括红外线和近红外线中的至少一种的波长或波长的电磁辐射源以及减少的充电波长的量也可以去除残留图像。 该过程可以包括过滤从第二辐射源发射的具有低于红光的波长的任何可见光。
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