Definition of "recuperator" [re•cu•per•a•tor]

• A regenerator (heating device). (noun)

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• "The recuperator is our single biggest cost item in the package, whether it is a 30, a 60, or a"
• "To this end, a recuperator is fitted at the top or on the side of the rotary kiln."
• "Above the breach is an air recuperator and a piston, while there is no hydraulic brake such as is generally used."