Patents Assigned to IMI Air Conditioning Limited
  • Air conditioners
    Patent number: 5323620
    Abstract: An air conditioner condensate sump pump controller comprising a self heated PTC resistor located in the sump including an ambient compensation circuit. When the condensate reaches the resistor level due to decreased resistance the sump pump is energized reduce the condensate level.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: June 28, 1994
    Assignee: IMI Air Conditioning Limited
    Inventor: Robert Wood