Invention Application
US20030164088A1 Compressors and pistons for use in such compressors 审中-公开
用于这种压缩机的压缩机和活塞

  • Patent Title: Compressors and pistons for use in such compressors
  • Patent Title (中): 用于这种压缩机的压缩机和活塞
  • Application No.: US10372337
    Application Date: 2003-02-25
  • Publication No.: US20030164088A1
    Publication Date: 2003-09-04
  • Inventor: Keiji Shimizu
  • Priority: JPP2002-057557 20020304
  • Main IPC: F01B031/10
  • IPC: F01B031/10
Compressors and pistons for use in such compressors
Abstract:
A piston for use in a compressor comprises a head portion and an engaging portion. The engaging portion includes a first shoe pocket and a second shoe pocket formed therein, and an interior surface of the first shoe pocket includes a hollow potion formed therein. Moreover, the interior surface of the first shoe pocket includes a lubrication layer formed thereon. For example, the lubricant layer may include a solid lubricant or a grease having a viscosity which is sufficient to adhere the grease to the interior surface of the first shoe pocket or the second shoe pocket, or both. In an embodiment, an interior surface of the second shoe pocket also may have the hollow portion formed therein. In another embodiment, the interior surface of the second shoe pocket may have a penetrating aperture formed therein.
Information query
Patent Agency Ranking
0/0