sealed refrigeration compressor

sealed refrigeration compressor

A mechanical compressor consisting of a compressor and a motor, both enclosed in the same sealed housing, with no external shaft or shaft seals, the motor operating in the refrigerant atmosphere.
References in periodicals archive ?
Hermetically sealed refrigeration compressors were attempted as early as the 1890s, and one interesting compressor was designed by Heinrich Zoelly of Zurich, Switzerland.