MOTOR DRIVE DEVICE AND MANUFACTURING METHOD OF MOTOR DRIVE DEVICE

MOTOR DRIVE DEVICE AND MANUFACTURING METHOD OF MOTOR DRIVE DEVICE

PROBLEM TO BE SOLVED: To make the noise level of a motor drive device constant between individual devices with a simple structure which is easy to manufacture. SOLUTION: The motor drive device comprises a motor casing MC, a stator S, and a rotor R. A gap is provided between the inside circumferentia...

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Hauptverfasser: YAMAMOTO YOSHIHISA, OGURI YASUNARI, JINNO TAKEHITO, ISOTANI AKIRA, MURAKAMI CHIDO
Format: Patent
Sprache:eng
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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creator YAMAMOTO YOSHIHISA
OGURI YASUNARI
JINNO TAKEHITO
ISOTANI AKIRA
MURAKAMI CHIDO
description PROBLEM TO BE SOLVED: To make the noise level of a motor drive device constant between individual devices with a simple structure which is easy to manufacture. SOLUTION: The motor drive device comprises a motor casing MC, a stator S, and a rotor R. A gap is provided between the inside circumferential surface MRs of the motor casing MC and the outside circumferential surface of the stator S. This stator S is fixed to the motor casing MC with the stator S pressed to one side of the radial direction in such a manner that a prescribed contact portion p3 set up inside a specific phase region U in the circumferential direction on the outside circumferential surface of the stator S contacts the inside circumferential surface MRs of the motor casing MC. A manufacturing method of the motor drive device includes a pressing process in which the stator S is accommodated in the motor casing MC and the stator S is pressed to one side in the radial direction so as to make the prescribed contact portion p3 contact the inside circumferential surface MRs of the motor casing and a process in which the stator S is fixed to the motor casing MC with the contact portion p3 in contact with the inside circumferential surface MRs of the motor casing MC. COPYRIGHT: (C)2009,JPO&INPIT
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A manufacturing method of the motor drive device includes a pressing process in which the stator S is accommodated in the motor casing MC and the stator S is pressed to one side in the radial direction so as to make the prescribed contact portion p3 contact the inside circumferential surface MRs of the motor casing and a process in which the stator S is fixed to the motor casing MC with the contact portion p3 in contact with the inside circumferential surface MRs of the motor casing MC. 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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
title MOTOR DRIVE DEVICE AND MANUFACTURING METHOD OF MOTOR DRIVE DEVICE
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