Heat pump system compressor fault detector
Thermostatic expansion valve with electronic controller
Environmental control system Patent #: 5255529
ApplicationNo. 300799 filed on 09/02/1994
US Classes:62/180, External fluid and refrigeration producer62/184, By refrigerant62/186Air controller or director
ExaminersPrimary: Tanner, Harry B.
Attorney, Agent or Firm
International ClassF25D 017/06
AbstractLiquid refrigerant temperature, measured by a sensor adjacent the flow control device, provides multiple diverse pieces of information which are used to control the indoor fan speed. liquid refrigerant temperature is used as an indication of outdoor air temperature and is also used as an indication of whether the compressor is operational or not.