This Refrigeration Reference Series contains information on refrigeration compressors of various types currently used in refrigeration: piston, screw, centrifugal, rotary, as well as electric compressors. The basics of the theory and calculation of compressors are described, the working diagrams, the design of compressors in general, as well as their main components and parts are described; the most important technical characteristics are given. The reference book includes data on the structural and operational properties of refrigerants and on lubricating oils used in refrigeration compressors indicate the areas of optimal use of working substances. Considered the reliability of refrigeration machines, largely due to the reliability of compressors. The material included in the manual is intended mainly for practical use by a wide range of specialists working in the field of design, production and operation of refrigeration compressors ..