×

Hermetic compressor

  • US 20050115771A1
  • Filed: 03/22/2004
  • Published: 06/02/2005
  • Est. Priority Date: 11/28/2003
  • Status: Abandoned Application
First Claim
Patent Images

1. A hermetic compressor, comprising:

  • a hermetic casing;

    a frame provided in the hermetic casing;

    a drive unit provided in a lower portion of the frame;

    a compression unit provided on an upper portion of the frame;

    a rotating shaft vertically installed in the frame to transmit a rotating force of the drive unit to the compression unit, with an eccentric part provided on an upper end of the rotating shaft and coupled to the compression unit; and

    an oil feed unit provided on the rotating shaft to feed oil from a bottom of the hermetic casing to a plurality of drive parts, the oil feed unit comprising;

    a first oil pickup unit provided on a lower end of the rotating shaft to lift the oil upward from the bottom of the hermetic casing;

    a first oil feed path provided in the rotating shaft above the first oil pickup unit while being eccentric from a central axis of the rotating shaft;

    a spiral oil feed groove provided around an outer surface of the rotating shaft above the first oil feed path and communicating with the first oil feed path;

    a second oil feed path provided in the eccentric part of the rotating shaft and communicating with the spiral oil feed groove; and

    a second oil pickup unit provided in the first oil feed path to increase an oil lift force.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×