7.1 Scroll Compressors

In recent years, there has been increasing interest in environmentally friendly products. For air conditioning and refrigeration (AC&R) systems, various regulations are imposed to reduce the environmental burden on a global scale, and converting refrigerants, suppressing atmospheric emissions, and energy savings achieved through efficiency improvement of equipment are promoted. In particular, the technological development of compressors, which are the key components of AC&R systems, has become an important issue.