Patents Examined by Cheng H. Kim
  • Patent number: 6374949
    Abstract: A transmission for the drive of generators by turbines. The transmission casing is under a partial vacuum, and the operation of the transmission is monitored and protected by special safety devices.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: April 23, 2002
    Assignee: Renk Aktiengesellschaft
    Inventor: Helmut Schwertberger
  • Patent number: 6296078
    Abstract: An axle bearing lubricating device includes a grease storage tank for providing lubricating grease to at least one grease propeller, the grease storage tank having a grease outlet, at least one grease propeller for propelling grease from the grease storage tank to a respective axle bearing, the at least one grease propeller each having a piston reciprocated to expel lubricating grease to a respective axle bearing, a manifold connected between the grease outlet of the grease storage tank and air holes on each grease propeller, and a high pressure system controlled to output high pressure air to the at least one grease propeller to reciprocate the piston in each grease propeller for enabling lubricating grease to be applied to each axle bearing.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: October 2, 2001
    Inventor: JoBee Liu