Driving apparatus

Details Driving apparatus Driving apparatus

Filed on

2006-07-27

Date issued

2009-08-11

Examiner

Nguyen, Tran N (Department: 2834)

Patent Class

Electrical generator or motor structure

SubClass

Dynamoelectric

SubSubClass

Rotary

Other Related Categories

C310S181000

Type

Reexamination Certificate

Status

active

Patent number

07573164

Description

ABSTRACT:
A driving apparatus includes a first magnet, second magnet, stator, first coil, second coil, first bearing, second bearing and rotor. The first and second magnets respectively have a magnetized portion in which S pole and N pole are alternately magnetized. The rotor has a magnetic pole portion opposite to each magnetized portion. The stator fixes the first magnet and second magnet to the same axis to rotatably support the rotor. The first coil magnetically excites a portion where the magnetic pole portion of the rotor faces the first magnet. The second coil magnetically excites a portion where the magnetic pole portion of the rotor faces the second magnet. Thereby, a driving apparatus is provided which stabilizes the quality by simplifying the configuration of a rotor and makes it possible to realize high speed of rotation and improvement of response speed by decreasing the moment of inertia of a rotor.

REFERENCES:
patent: 5831356 (1998-11-01), Aoshima
patent: 5925945 (1999-07-01), Aoshima
patent: 6172440 (2001-01-01), Sasaki et al.
patent: 6798093 (2004-09-01), Aoshima
patent: 6800970 (2004-10-01), Aoshima
patent: 6876109 (2005-04-01), Matsushita et al.
patent: 7173352 (2007-02-01), Aoshima
patent: 7224091 (2007-05-01), Yasuda
patent: 62-163553 (1978-07-01), None
patent: 4-180184 (1989-12-01), None
patent: 4-131183 (1992-12-01), None
patent: 9-182405 (1997-07-01), None
patent: 09-331666 (1997-12-01), None
patent: 2002-051526 (2002-02-01), None

Affiliated with

Also associated with

Rating

Driving apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Driving apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Driving apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4110128