Work extraction arrangement

摘要

A work extraction arrangement ( 10 ) comprises a cooling assembly ( 12 ) for cooling a gas to provide a working fluid capable of doing work. The arrangement ( 10 ) further includes storage means ( 14 ) for storing the working fluid and a turbine assembly ( 18 ) for extracting work from the working fluid. A fluid delivery assembly ( 16 ) is also provided to deliver the working fluid to the turbine assembly ( 18 ).