Air conditioning unit for automobile passenger space uses duplex Stirling machine with Stirling drive stage and Stirling refrigeration stage

摘要

The air conditioning unit has a duplex Stirling machine (1) provided by a Stirling drive stage (11) and a Stirling refrigeration stage (12) which is driven by the mechanical power delivered by the Stirling drive stage during normal operation. The Stirling refrigeration stage can be switched for operation as a stand-by heating device.