Patents by Inventor Chul Roh

Chul Roh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rotary Compressor
    Publication number: 20070280843
    Abstract: Disclosed is a rotary compressor having two compression capacities.
    Type: Application
    Filed: April 27, 2004
    Publication date: December 6, 2007
    Inventors: Ji Bae, Chul Roh, Kyoung Park, Chang Jang, Jong Kim, Young Ko
  • Rotary compressor
    Publication number: 20070154328
    Abstract: Disclosed is a rotary compressor having two compression capacities.
    Type: Application
    Filed: April 30, 2004
    Publication date: July 5, 2007
    Applicant: LG ELECTRONICS INC.
    Inventors: Ji Young Bae, Chul Roh, Kyoung Park, Young Ko, Jong Sin
  • Rotary compressor
    Publication number: 20070122284
    Abstract: Disclosed is a rotary compressor having two compression capacities.
    Type: Application
    Filed: April 30, 2004
    Publication date: May 31, 2007
    Applicant: LG Electronics Inc.
    Inventors: Ji Bae, Kyoung Park, Chang Jang, Chul Roh, Jong Kim, Young Ko
  • Dual capacity compressor
    Publication number: 20060285980
    Abstract: The present invention relates to a dual capacity compressor for preventing relative movement from taking place between components. For this, the present invention provides a dual capacity compressor including a power generating part (20) having a reversible motor (21, or 22) and a crank shaft (23) inserted in the motor (21, or 22), a compression part (30) having a cylinder (32), a piston (31), and a connecting rod (33), a crank pin (110) in an upper part of the crank shaft (23) eccentric from an axis of the crank shaft (23), an eccentric sleeve (120) rotatably fitted between the crank pin (110) and an end of the connecting rod (33), a key member (130, or 230) configured such that the key member is held at at least a part of the eccentric sleeve (120), and held at the eccentric sleeve (120) additionally during operation, for latching the eccentric sleeve (120) with the crank pin (110) positively in both direction rotation of the motor.
    Type: Application
    Filed: December 23, 2003
    Publication date: December 21, 2006
    Inventors: Jong Kim, Hee Kim, Young Bae, Chul Roh