CLOSED TYPE MOTOR COMPRESSOR WITH REVOLVING SPEED DETECTING MECHANISM

PURPOSE:To ensure a revolving speed detecting mechanism and prevent an occurrence of abnormal torque by providing the outer periphery of a rotor with rotor guides, which are set to a prescribed skew with respect to a plurality of slits made in the axial direction and arranged at an equal interval in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAKANE KAZUHIRO, KAWASAKI KATSUYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To ensure a revolving speed detecting mechanism and prevent an occurrence of abnormal torque by providing the outer periphery of a rotor with rotor guides, which are set to a prescribed skew with respect to a plurality of slits made in the axial direction and arranged at an equal interval in the circumferential direction. CONSTITUTION:A rotor 3 of an induction motor 4, which drives a compression element part 8, is provided at its periphery with rotor guides 15, which are set to a prescribed skew with respect to a plurality of slits 17 made in the axial direction and arranged at an equal interval in the circumferential direction. A revolving speed signal can be obtained from this slit 17. In addition, since the rotor guide 15 is set to a prescribed skew, an occurrence of abnormal torque in an induction motor 4 can be prevented.