A cogeneration system is disclosed which includes a waste heat recovering heat exchanger (130) for recovering waste heat generated from a drive source (120) when the drive source (120) operates to drive a generator (110), heating heat exchangers (140) for ...

A method is provided of conserving heat comprising the steps of storing heat generated in a road vehicle during its use, connecting the heat store to means provided at a remote location and adapted to store heat for subsequent use or to use heat, transferr...

The present invention relates to an outdoor heat exchanger unit (100), an outdoor unit (20) comprising the outdoor heat exchanger unit (100), and an air conditioner comprising the outdoor heat exchanger unit (100). The outdoor heat exchanger unit (100) for...

The method involves using the enthalpy and residual content of unburned gaseous fuel to generate a synthetic gas or gas mixture by a chemical recuperation and feeding the gas or gas mixture back into the internal combustion engine (10) driving the unit typ...

Since the starting of an engine (2) at a lower temperature is troublesome, the temperature of the engine (2) is measured by a sensor. When the measured temperature is lower than a reference temperature, the pump is first switched on for circulating a therm...