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    • 112. 发明授权
    • Internal lubrication screw pump for hollow shaft
    • 用于空心轴的内部润滑螺杆泵
    • US06854955B2
    • 2005-02-15
    • US10337565
    • 2003-01-07
    • Philip Conrad ShafferRobert Grennan
    • Philip Conrad ShafferRobert Grennan
    • F04B39/02F01D5/10
    • F04B39/0261
    • A rotary machine is provided, such as an electromechanical device, that includes a housing having a lubricating oil disposed within the housing. A shaft is rotatable about an axis relative to the housing. The shaft has a passage extending to an end portion of the shaft. A screw includes a body arranged coaxial to the shaft, and preferably affixed thereto. The screw includes helical blades extending outwardly from the body adjacent to a shroud. The shroud is arranged about the screw forming a gap between the blades and the shroud. Rotation of the shaft and screw pump the oil to the end portion of the shaft and into the passage from which the oil may be delivered to other machine components, such as the bearings. A flow straightener having radial fins may be arranged between the screw and the passage for controlling the flow of oil into the passage preventing a vortex.
    • 提供了一种旋转机器,例如机电装置,其包括具有设置在壳体内的润滑油的壳体。 轴可绕轴线相对于壳体旋转。 轴具有延伸到轴的端部的通道。 螺杆包括与轴同轴设置的主体,并且优选地固定在其上。 螺钉包括从身体向外延伸的螺旋叶片,其邻近护罩。 护罩布置在螺钉周围,形成叶片和护罩之间的间隙。 轴和螺杆的旋转将油泵送到轴的端部并进入可以将油输送到其它机器部件(例如轴承)的通道中。 具有径向翅片的流动矫直机可以布置在螺钉和通道之间,用于控制进入通道的油流,防止涡流。
    • 113. 发明申请
    • Reciprocating electric compressor
    • 往复式电动压缩机
    • US20040126250A1
    • 2004-07-01
    • US10687825
    • 2003-10-20
    • Koichi TsuchiyaKazuhiro YokotaAtsushi Naruse
    • F04B039/02
    • F04B39/0253F04B39/0261Y10S417/902
    • A reciprocating compressor includes a compressing unit placed over a motor unit. A crankshaft, which converts rotating action of the motor unit into reciprocating action of a piston of the compressing unit, has (a) a centrifugal pump prepared at a lower section of the crankshaft, and (b) a pair of spiral pumps that communicate with the centrifugal pump and have leading grooves running in an opposite direction to each other. The crankshaft also includes a pair of eccentric paths at its upper section. The eccentric paths open into an enclosed container and communicate with the spiral pumps respectively. This structure allows producing greater force for transferring lubricant oil regardless of rotating directions of the crankshaft.
    • 往复式压缩机包括放置在电动机单元上的压缩单元。 将马达单元的旋转动作转换为压缩单元的活塞的往复运动的曲轴具有(a)在曲轴的下部准备的离心泵,(b)一对螺旋泵,其与 该离心泵具有沿彼此相反的方向延伸的引导槽。 曲轴在其上部还包括一对偏心路径。 偏心路径分别开放到密封容器中,并与螺旋泵分别连通。 这种结构允许产生更大的力来传递润滑油,而不管曲轴的旋转方向如何。
    • 114. 发明授权
    • Compressor having a lubricant pick-up tube guard
    • 压缩机具有润滑油拾取管防护罩
    • US06171090B2
    • 2001-01-09
    • US09098858
    • 1998-06-17
    • David C. Hurley
    • David C. Hurley
    • F04C2902
    • F04B39/0261F04C29/028F16N7/36
    • A compressor assembly including a housing having an oil sump containing a liquid lubricant, a compressor mechanism disposed within the housing, a vertical, rotatable shaft associated with the compressor mechanism and provided with a conduit having a downwardly directed open end extending beneath the surface level of the lubricant and through which oil is conveyed to the compressor mechanism, whereby the lubricant is drawn into the conduit open end, and a guard in surrounding relationship with, and having an aperture disposed beneath and proximate to, the conduit open end, the guard fixed relative to the housing, the sump in fluid communication with the conduit through the aperture.
    • 一种压缩机组件,包括具有包含液体润滑剂的油底壳的壳体,设置在壳体内的压缩机构,与压缩机构相关联的垂直可旋转轴,并具有导管,该导管具有向下指向的开口端, 润滑剂,并且通过该油将油输送到压缩机构,由此润滑剂被吸入管道开口端,并且与导管开口端的下方和附近设置有围绕关系并具有孔的防护件,固定 相对于壳体,通过孔径与管道流体连通的贮槽。
    • 116. 发明授权
    • Compressor and lubricating pump assembly
    • 压缩机和润滑泵总成
    • US4436490A
    • 1984-03-13
    • US382685
    • 1982-05-27
    • Siegfried Schonwald
    • Siegfried Schonwald
    • F04B27/06F04B39/02
    • F04B27/0606F04B39/0261
    • A compressor and its external-rotor drive motor are arranged on a common stationary shaft in a unitary housing. On the end of the stationary shaft which is away from the compressor, a friction pump is mounted for pumping lubricant from a supply in the unit housing into an axial canal drilled in the stationary shaft. The impeller of the friction pump consists of a hollow cylinder which is coupled to the external rotor. The hollow cylinder is received in a pump housing which has an annular space between an inner and an outer housing part into which the hollow cylinder extends, forming an inner and an outer gap. The two gaps are in communication with each other and each contains at least one constriction which forces oil carried by rotation of the hollow cylinder past openings in the inner housing into the axial canal.
    • 压缩机及其外转子驱动电动机布置在单一壳体中的公共固定轴上。 在离开压缩机的固定轴的端部安装有摩擦泵,用于将润滑剂从单元壳体中的供给泵送到在固定轴中钻出的轴向管道中。 摩擦泵的叶轮由连接到外转子的中空圆筒组成。 中空圆筒容纳在泵壳体中,该泵壳体在中空圆柱体延伸的内外壳部分之间具有环形空间,形成内部和外部间隙。 两个间隙彼此连通,并且每个包含至少一个收缩部,该收缩部迫使通过中空圆筒的旋转而携带的油通过内壳体中的开口进入轴向管道。