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    • 51. 发明授权
    • Scroll-type compressor with oil passageway in thrust bearing
    • 推力轴承带油通道的涡旋式压缩机
    • US4824344A
    • 1989-04-25
    • US113982
    • 1987-10-29
    • Tadashi KimuraTsutomu InabaMasahiro SugiharaNorihide Kobayashi
    • Tadashi KimuraTsutomu InabaMasahiro SugiharaNorihide Kobayashi
    • F04C18/02F04C23/00F04C29/00F16C33/10F04C18/04F04C29/02
    • F16C33/1065F04C18/0215F04C29/0021F16C17/045F04C23/008
    • A scroll-type compressor is disclosed which has a novel thrust bearing for supporting an orbiting scroll. The thrust bearing is annular and is supported by a bearing support frame which has a plurality of oil return holes formed therein. The diameter of the thrust bearing is smaller than the diameter of the orbiting scroll and of an Oldham coupling which guides the orbiting scroll. The thrust bearing has a plurality of oil passageways for lubricating oil formed therein whose inner ends open onto the central hole and whose outer ends communicate with the oil return holes and do not extend to the outer periphery of the bearing. The oil passageways are always covered by the orbiting scroll. In one form of the invention, the oil passageways are in the form of grooves formed in the upper surface of the bearing and through holes which communicate between the outer ends of the grooves and the oil return holes. In another form of the invention, the oil passageways are slits formed through the depth of the bearing. In another form of the invention, the oil passageways are a combination of slits formed through the depth of the bearing, through holes which communicate with the oil return holes, and grooves formed in the upper surface of the bearing which extend between the slits and the through holes.
    • 公开了一种涡旋式压缩机,其具有用于支撑绕动涡旋件的新型止推轴承。 推力轴承是环形的并且由轴承支撑框架支撑,轴承支撑框架上形成有多个回油孔。 推力轴承的直径小于绕动涡旋件和引导绕动涡旋件的十字联轴器的直径。 推力轴承具有形成在其中的多个用于润滑油的油通道,其内端开放在中心孔上,其外端与回油孔连通,并且不延伸到轴承的外周。 油通道总是被绕动涡卷覆盖。 在本发明的一种形式中,油通道是形成在轴承的上表面中的槽的形式,以及在槽的外端和回油孔之间连通的通孔。 在本发明的另一种形式中,油通道是穿过轴承深度形成的缝隙。 在本发明的另一形式中,油通道是通过轴承的深度形成的狭缝的组合,与油回流孔连通的通孔,以及形成在轴承的上表面中的槽,其在狭缝和 通孔。
    • 54. 发明授权
    • Scroll compressor
    • 涡旋压缩机
    • US4592703A
    • 1986-06-03
    • US593349
    • 1984-03-26
    • Tsutomu InabaToshiyuki NakamuraTadashi Kimura
    • Tsutomu InabaToshiyuki NakamuraTadashi Kimura
    • F04C29/02F04B39/06F04B39/02H02K9/08
    • F04C29/023Y10S417/902Y10S418/01
    • A scroll having flow passages constructed so as to provide improved lubricating properties while eliminating excessive consumption of oil. First flow paths have upper ends communicating with a motor chamber formed between the frame of the compressor and an upper portion of the electric motor which drives the compressor, and lower ends which open above an oil pool formed in the lower part of the housing of the compressor. The first flow paths extend in the axial direction of the compressor between the outer wall of the motor and the frame so that all or part of the gas which is sucked into the motor chamber can flow downwardly. Second axially extending flow paths are provided extending in the axial direction of the compressor between the frame and the shell with the gas passing through the first flow paths being caused to change its direction of flow near the lower end of the frame to flow upwardly. The lower ends of the second flow paths open above the oil pool and their upper ends communicate with the compression unit at the top of the housing.
    • 一种具有流动通道的涡卷,其构造成提供改善的润滑性能,同时消除油的过量消耗。 第一流路具有与形成在压缩机的框架和驱动压缩机的电动机的上部之间形成的马达室的上端连通,以及在形成在壳体的下部的油池的上方开口的下端 压缩机。 第一流动路径在电动机的外壁和框架之间在压缩机的轴向方向上延伸,使得吸入电动机室的全部或部分气体可以向下流动。 第二轴向延伸的流动路径被设置成在框架和壳体之间在压缩机的轴向方向上延伸,并且通过第一流动路径的气体改变其靠近框架下端的流动方向向上流动。 第二流路的下端在油池上方开口,其上端与壳体顶部的压缩单元连通。
    • 57. 发明授权
    • Epidark illumination system
    • Epidark照明系统
    • US4475796A
    • 1984-10-09
    • US355144
    • 1982-03-05
    • Tadashi Kimura
    • Tadashi Kimura
    • G02B21/18G02B21/08G02B21/10
    • G02B21/084G02B21/10
    • An Epidark illumination system wherein an optical member for forming the image of a light source is provided in a dark field light path to illuminate a sample with the light from the image of the light source in order to be able to make a uniform bright illumination with a simple formation. The optical member can be any of a ring-shaped convex lens or concave lens, a ring-shaped multi-element lens made by arranging a plurality of convex lenses or concave lenses in the same plane, a compound cylindrical lens made by concentrically circularly arranging cylindrical lenses, a radial lens and a multi-element lens made by arranging a plurality of concentric ring-shaped lenses so that the surfaces of the lenses may be higher in turn outward from the center. Further, a light collecting lens or a light collecting mirror may be arranged in the dark field light path.
    • 一种Epidark照明系统,其中用于形成光源的图像的光学构件设置在暗场光路中,以利用来自光源的图像的光来照射样品,以便能够进行均匀的亮度照明 一个简单的形式。 光学构件可以是环形凸透镜或凹透镜中的任何一种,通过在同一平面上布置多个凸透镜或凹透镜而制成的环形多元透镜,通过同心圆形布置 柱面透镜,径向透镜和通过布置多个同心环形透镜制成的多元件透镜,使得透镜的表面可以从中心向外更高。 此外,集光镜或聚光镜可以布置在暗视场光路中。
    • 58. 发明授权
    • Zoom lens system
    • 变焦镜头系统
    • US4368953A
    • 1983-01-18
    • US166683
    • 1980-07-07
    • Tadashi Kimura
    • Tadashi Kimura
    • G02B15/16G02B13/04G02B15/14
    • G02B15/14G02B13/04
    • A zoom lens system comprising a front lens group consisting of a first positive lens component, a second negative meniscus lens component, a third negative lens component and a fourth positive lens component, and a rear lens group consisting of a fifth positive lens component, a sixth positive lens component, a seventh negative lens component and an eighth positive lens component. Said zoom lens system is so adapted as to perform zooming operation by varying the airspace reserved between said front and rear lens groups, and has sufficient wide-angle effect and a large zooming ratio in addition to aberrations corrected with good balance.
    • 一种变焦透镜系统,包括由第一正透镜部件,第二负弯月形透镜部件,第三负透镜部件和第四正透镜部件组成的前透镜组以及由第五正透镜部件, 第六正透镜部件,第七负透镜部件和第八正透镜部件。 所述变焦透镜系统适于通过改变保留在所述前后透镜组之间的空间进行变焦操作,并且除了以良好平衡校正的像差之外,还具有足够的广角效果和大的变焦比。