Patents Examined by Yonas Cherkos
  • Patent number: 8235683
    Abstract: A Inlet pipe (151) communicating the space inside the hermetic enclosure with sound absorbing space (147) of inlet muffler (145) is provided so as to be inclined downward from inlet-pipe inlet (155) toward inlet-pipe outlet (157). Outlet pipe (153) communicating sound absorbing space (147) with an inlet valve includes outlet-pipe inlet (161) and outlet-pipe outlet (163). Inlet-pipe inlet (155) and outlet-pipe inlet (161) are formed at substantially same height. Herewith, introducing a refrigerant gas to outlet-pipe inlet (161) making efficient use of potential energy of the refrigerant improves the compression efficiency and stabilizes the performance of the compressor.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: August 7, 2012
    Assignee: Panasonic Corporation
    Inventors: Kenji Kinjo, Akira Nakano, Takahide Nagao