Motor-compressor with stage impellers integrated in the motor-rotors

Motor-compressor with stage impellers integrated in the motor-rotors

A shaftless motor-compressor (1) is disclosed, comprising a casing (3) and at least one compressor stage (9A, 9B) arranged in the casing. Each compressor stage comprises a respective impeller (11A, 11B) arranged for rotation in the casing (3) around a rotation axis (A-A). Each impeller (11A, 11B) is...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Rubino, Dante Tommaso, Palomba, Sergio
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Beschreibung
Zusammenfassung:A shaftless motor-compressor (1) is disclosed, comprising a casing (3) and at least one compressor stage (9A, 9B) arranged in the casing. Each compressor stage comprises a respective impeller (11A, 11B) arranged for rotation in the casing (3) around a rotation axis (A-A). Each impeller (11A, 11B) is combined with an embedded electric motor (13A, 13B) housed in the casing (3) and comprised of a motor stator (15A, 15B) and a motor rotor (17A, 17B). The motor stator (15A, 15B) of each compressor stage (9A, 9B) circumferentially surrounds the impeller (11A, 1B) and the motor rotor (17A, 17B), integral with the impeller. The motor rotor (17A, 17B) of each stage (9A, 9B) is arranged inside the respective motor stator.