利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

21 条记录 (耗时 0.025 秒)

    Scroll compressor with enhanced discharge port
    3.
    发明授权
    Scroll compressor with enhanced discharge port 失效
    涡旋压缩机具有增强的排放口

    公开(公告)号：US5022834A

    公开(公告)日：1991-06-11

    申请号：US466068

    申请日：1990-01-16

    申请人： Shahrokh Etemad ,  Donald Yannascoli ,  Howard H. Fraser, Jr. ,  William R. Lane

    发明人： Shahrokh Etemad ,  Donald Yannascoli ,  Howard H. Fraser, Jr. ,  William R. Lane

    IPC分类号： F04C18/02

    CPC分类号： F04C18/0261 ,  F04C2230/10 ,  F04C2250/102 ,  F05B2230/10 ,  F05B2250/502 ,  Y10T29/4924 ,  Y10T408/03

    摘要： A scroll compressor has a pair of mating scrolls that are disposed on parallel, eccentric axes, and each of these scrolls has a scroll plate and a spiral, involute wrap. The scrolls are driven so that one of them orbits about the axis of the other scroll while maintaining a fixed azimuthal relationship to it. The orbital motion causes a compressible fluid to enter at the periphery of the scrolls, and be carried and compressed by pockets formed between the mating wraps of these scrolls. The compressed gas is discharged out a discharge port at the center of one of the scrolls. The discharge port is bored diagonally into the scroll plate of the one scroll so that it has an elongated elliptical aperture at the center of the scroll plate. The port is machined into the scroll from the wrap side of the scroll. The enlarged size of the port aperture reduces the resistance to fluid flow and hence reduces the back pressure, thereby increasing the compressor efficiency.

    Lubrication system for screw compressors using an oil still
    5.
    发明授权
    Lubrication system for screw compressors using an oil still 有权
    使用油静压的螺杆式压缩机的润滑系统

    公开(公告)号：US06182467B2

    公开(公告)日：2001-02-06

    申请号：US09406424

    申请日：1999-09-27

    申请人： Jianping Zhong ,  Edward A. Huenniger ,  Fadi S. Maalouf ,  Donald Yannascoli

    发明人： Jianping Zhong ,  Edward A. Huenniger ,  Fadi S. Maalouf ,  Donald Yannascoli

    IPC分类号： F25B4302

    CPC分类号： F04C29/025 ,  F04C29/026 ,  F25B1/047 ,  F25B31/004 ,  F25B31/008 ,  F25B40/02 ,  F25B2341/0016

    摘要： A portion of the condensed liquid in a condenser is diverted to a generator where it supplies heat to boil off refrigerant from a refrigerant oil mixture and is thereby subcooled. The subcooled liquid is supplied to the motor for cooling. The boiling off of refrigerant in the generator results in an “oil rich” liquid which is supplied to the bearings, etc. for lubrication. One, or more, jet or ejector pumps are preferably used to supply the oil rich liquid to the lubrication distribution system.

    摘要翻译： 冷凝器中的冷凝液体的一部分被转移到发电机，在发电机中，其供应热量以从制冷剂油混合物中蒸发制冷剂，从而被过冷。 将过冷却的液体供给到电动机进行冷却。 发电机中的制冷剂的沸腾导致供给轴承等的润滑油“富油”液体。 一个或多个喷射泵或喷射泵优选地用于将富油液体供应到润滑分配系统。

    Counterweight drag eliminator
    6.
    发明授权
    Counterweight drag eliminator 失效
    配重减阻器

    公开(公告)号：US5597293A

    公开(公告)日：1997-01-28

    申请号：US570065

    申请日：1995-12-11

    申请人： Paul J. Bushnell ,  Donald Yannascoli

    发明人： Paul J. Bushnell ,  Donald Yannascoli

    IPC分类号： F04C29/06 ,  F04C18/356 ,  F04C23/00 ,  F04C29/00 ,  F04C29/02 ,  F16F15/28 ,  F04B17/03

    CPC分类号： F04C29/0021 ,  F04C23/008 ,  F16F15/28

    摘要： The end ring(s) and counterweight(s) attached to the rotor of a hermetic compressor are located within a cover which isolates them from the interior of the compressor. The cover may be fixed or it may rotate as a unit with the rotor, end ring and counterweight. In each embodiment the asymmetric counterweight is prevented from acting as a fan with respect to the interior of the shell and is thereby prevented from producing a pressure gradient tending to act on the sump and cause a higher oil circulation rate to the refrigeration system.

    摘要翻译： 连接到密闭式压缩机的转子的端环和配重位于将其与压缩机内部隔离的盖内。 盖可以是固定的，或者它可以作为与转子，端环和配重的单元一起旋转。 在每个实施例中，防止不对称配重作为相对于壳体内部的风扇，并且由此防止产生趋向于作用在贮槽上的压力梯度并且导致对制冷系统的更高的油循环速率。

    Multiple compressor system
    9.
    发明授权
    Multiple compressor system 失效
    多压缩机系统

    公开(公告)号：US4236876A

    公开(公告)日：1980-12-02

    申请号：US61974

    申请日：1979-07-30

    申请人： Bruce A. Fraser ,  Donald Yannascoli

    发明人： Bruce A. Fraser ,  Donald Yannascoli

    IPC分类号： F04B39/02 ,  F04B39/12 ,  F04B41/06 ,  F04B23/04

    CPC分类号： F04B39/0246 ,  F04B41/06

    摘要： A multi-compressor system comprising first and second stage motor-compressor units, a low pressure line for transmitting vapor from a source thereof to the first stage unit, an intermediate pressure line for transmitting vapor between the first and second stage units, a high pressure line for transmitting vapor from the second stage unit, and a bypass line for transmitting vapor from the low pressure line to the intermediate pressure line to selectively bypass the first stage unit. The first stage unit includes a first supply of lubricant, a first compressor, and a first lubricant overflow passage for passing overflow lubricant from the first supply thereof into the first compressor. The second stage unit includes a second supply of lubricant, a second compressor, and a second lubricant overflow passage for passing overflow lubricant from the second supply thereof into the second compressor. The low pressure line includes a first section, and a second section extending substantially at a right angle to the first section. The bypass line includes a first bypass section connected to the first section of the low pressure line and extending substantially collinear therewith, and a check valve for preventing vapor flow from the intermediate pressure line to the low pressure line via the bypass line.

    摘要翻译： 一种包括第一和第二级电动机 - 压缩机单元的多压缩机系统，用于将蒸气从其源极传送到第一级单元的低压管线，用于在第一和第二级单元之间传输蒸汽的中间压力管线， 用于从第二级单元传输蒸气的管线，以及用于将蒸汽从低压管线传送到中间压力管线以选择性地绕过第一级单元的旁路管线。 第一级单元包括第一供应润滑剂，第一压缩机和第一润滑剂溢流通道，用于将溢流润滑剂从第一供应通道送入第一压缩机。 第二级单元包括第二供应润滑剂，第二压缩机和第二润滑剂溢流通道，用于将溢流润滑剂从第二供应源传递到第二压缩机。 低压线包括第一部分和与第一部分基本上成直角延伸的第二部分。 旁通管路包括连接到低压管线的第一部分并且基本上与其共同延伸的第一旁通部分，以及用于防止蒸汽从中间压力管线经由旁路管线流到低压管线的止回阀。

    Compressor
    10.
    发明授权
    Compressor 有权
    压缩机

    公开(公告)号：US06969242B2

    公开(公告)日：2005-11-29

    申请号：US10376139

    申请日：2003-02-28

    申请人： Donald Yannascoli ,  Stephen L. Shoulders

    发明人： Donald Yannascoli ,  Stephen L. Shoulders

    IPC分类号： F04C18/16 ,  F04C27/00 ,  F04B17/00 ,  F01C1/16 ,  F01C19/00

    CPC分类号： F04C27/009 ,  F04C18/16

    摘要： To counter downstream oil infiltration through a shaft seal, a small portion of the compressed fluid is diverted from downstream to upstream through a passageway in a rotor. The diverted fluid is introduced to a space at a downstream side of the seal. An exemplary implementation is in a compressor having a central male rotor intermeshed with a pair of female rotors. The seal is located at an upstream (inlet) end of the lobed working portion of the male rotor.

    摘要翻译： 为了防止通过轴密封件渗透下游的油，一部分压缩流体通过转子中的通道从下游转向上游。 转向的流体被引入密封件的下游侧的空间。 示例性实施方式是在具有与一对阴转子相互啮合的中心阳转子的压缩机中。 密封件位于阳转子的叶形工作部分的上游（入口）端。