Patents Assigned to Broad Ocean Company Limited
  • Air-cleaning apparatus
    Patent number: 6544320
    Abstract: An air cleaning apparatus draws air through a convoluted air channel defined by a plurality of non-permeable baffles. The baffles are arranged so that the air stream must change direction several times before exiting the apparatus. A fluid curtain is disposed along at least a part of the convoluted channel to remove particulate material from the air stream. One preferred embodiments causes fluid to flow over the baffles to provide a plurality of fluid curtains arranged along the air channel.
    Type: Grant
    Filed: February 9, 2001
    Date of Patent: April 8, 2003
    Assignee: Broad Ocean Company Limited
    Inventor: Ying Man Wong
  • Air-cleaning apparatus
    Publication number: 20020108497
    Abstract: An air cleaning apparatus draws air through a convoluted air channel defined by a plurality of non-permeable baffles. The baffles are arranged so that the air stream must change direction several times before exiting the apparatus. Air cleaning means in the form of a fluid curtain is disposed along at least a part of said air channel. One preferred embodiment causes fluid to flow over the baffles to provide a plurality of fluid curtains arranged along the air channel.
    Type: Application
    Filed: February 9, 2001
    Publication date: August 15, 2002
    Applicant: Broad Ocean Company Limited
    Inventor: Ying Man Wong