Patents by Inventor Byoung Kil Yoo

Byoung Kil Yoo 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).

  • Patent number: 7717688
    Abstract: An oil pump for a compressor is provided. The oil pump includes a pump body, a driving shaft coupled to the pump body, with a supply passage extending therethrough, and a plurality of pumping members which rotate with the driving shaft. Fluids such as oil are inhaled into the pump through various intakes, and the inhaled oil is directed towards the driving shaft, where the oil is supplied to the friction parts of the compressor for lubrication. The plurality of intakes into the pump provide for a continuous supply of oil to the friction parts.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: May 18, 2010
    Assignee: LG Electronics Inc.
    Inventors: Byoung Kil Yoo, Byeong Chul Lee
  • Patent number: 7494329
    Abstract: An oil pump for a compressor is provided. The oil pump includes a pump body coupled to a driving shaft, and a pumping member coupled to the pump body so as to define a pumping part and a pump cover is coupled to a lower side of the pump body therebetween. A lower suction unit provided at a lower side of the pump body draws fluid into the pump from a lower portion of a supply area, and an upper suction unit draws fluid into the pump from an upper portion of the oil supply area.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: February 24, 2009
    Assignee: LG Electronics Inc.
    Inventors: Byoung Kil Yoo, Seung Yup Kim