A DEVICE FOR COOLING

摘要

According to an aspect of the present invention, there is provided a device for use as a cooling element, the device comprising: a receptacle (10) for receiving a fluid, the receptacle being provided with a non-return inlet valve (11) through which fluid may be inserted into the receptacle,- and an expansion chamber (20) in fluid communication with the receptacle, and arranged to receive fluid which expands from the receptacle, the expansion chamber being provided with an opening (21) through which expanding fluid may flow out of the expansion chamber.