This collection of papers from a prestigious IMechE conference, held in September 2009 in London, features participation from equipment manufacturers, suppliers, users and research organisations. The papers examine developments in air, gas and refrigeration compressors, vacuum pumps, expanders, related systems and components. Major topics (appropriate to compressors and their systems) addressed include: technology development; operation, maintenance and reliability; safety and environmental impact; system integration and behaviour; design and manufacture; legislation; energy efficiency;...