×

Cogeneration system and method for controlling the same

  • US 7,174,727 B2
  • Filed: 01/19/2005
  • Issued: 02/13/2007
  • Est. Priority Date: 08/17/2004
  • Status: Expired due to Fees
First Claim
Patent Images

1. A cogeneration system comprising:

  • an engine;

    a generator connected to an output shaft of the engine to generate electricity;

    a heat pump type air conditioner including a compressor, a directional valve, an indoor heat exchanger, an expansion device, and an outdoor heat exchanger;

    a pre-heater to pre-heat outdoor air blown toward the outdoor heat exchanger during a heating operation of the heat pump type air conditioner;

    an auxiliary evaporator to evaporate a refrigerant emerging from the outdoor heat exchanger during the heating operation of the heat pump type air conditioner; and

    waste heat recovering means to transfer waste heat of the engine to at least one of the pre-heater and the auxiliary evaporator.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×