Patents Assigned to Energy Exchanger Co.
  • Patent number: 4865495
    Abstract: A fluid inducer for mounting to an oil-hole drill sleeve includes at least two removable sections for easy replacement of internal O-rings without the need for removal of the drill sleeve or drill bit from the drilling machine. The inducer includes a cylindrical main inducer body having an inner bore around which are horizontally disposed at least two space O-rings that define an annular space about a lower position of the drill sleeve. A cylindrical bearing body is removably connected to the inducer body and includes an inner bore for retaining at least one annular bearing assembly that is mounted to the drill sleeve.
    Type: Grant
    Filed: July 28, 1988
    Date of Patent: September 12, 1989
    Assignee: Energy Exchanger Co.
    Inventor: Buford R. Hinds