An unmanned carrier robot according to the present disclosure is the unmanned carrier robot that carries a package to a user, and includes an anomaly determination unit that determines presence or absence of an anomaly in security related to the package on...

A combined heat exchanger system includes a first heat exchanger (1) for cooling a first cooling medium, a second heat exchanger (2) for cooling a second cooling medium, and a compressor (8) for compressing the first cooling medium to be supplied to the fi...

A vehicle exhaust heat recovery system includes a vapor compression type refrigeration circuit, a boiler (25) to which the refrigerant is introduced from the refrigeration circuit and heated, and an expander (26) for generating motive power by expanding th...

In a refrigerating cycle device using carbon dioxide as a refrigerant, there exists a problem that the provision of a receiver at a low-pressure side increases cost and volume due to a pressure resistance design necessary for ensuring safety. By adjusting ...