Electric motor with adjustable timing

Electricity: motive power systems – Limitation of motor load – current – torque or force

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C318S433000, C318S432000

Reexamination Certificate

active

07486041

ABSTRACT:
An electrically commutated motor includes a first module to measure a current in a coil of the motor, and a second module to adjust timing of commutation of the motor based on the current measurement.

REFERENCES:
patent: 4520302 (1985-05-01), Hill et al.
patent: 4651069 (1987-03-01), Pellegrini
patent: 4658192 (1987-04-01), Casteel et al.
patent: 4772839 (1988-09-01), MacMinn et al.
patent: 4777419 (1988-10-01), Obradovic
patent: 4929871 (1990-05-01), Gerfast
patent: 5196775 (1993-03-01), Harris et al.
patent: 5420492 (1995-05-01), Sood et al.
patent: 5534763 (1996-07-01), Williams et al.
patent: 5600218 (1997-02-01), Holling et al.
patent: 5703456 (1997-12-01), Cox
patent: 5821713 (1998-10-01), Holling et al.
patent: 5841252 (1998-11-01), Dunfield
patent: 5844388 (1998-12-01), Maiocchi
patent: 5854548 (1998-12-01), Taga et al.
patent: 6388416 (2002-05-01), Nakatani et al.
patent: 6448724 (2002-09-01), Kleinau et al.
patent: 6583593 (2003-06-01), Iijima et al.
patent: 6735537 (2004-05-01), Liu et al.
patent: 6850019 (2005-02-01), Gerfast
patent: 6850021 (2005-02-01), Golownia et al.
patent: 6862195 (2005-03-01), Jitaru
patent: 2005/0209814 (2005-09-01), Song
International Search Report mailed Sep. 18, 2007.
Nakamura et al.,High-Efficiency Drive due to Power Factor Control of a Permanent Magnet Synchronous Motor, APEC, Feb. 23-27, 1992 Seventh Annual Applied Power Electronics Conference and Exposition, Toshiba Corporation, Mie, Japan, front cover, pp. 263-268, and back cover.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Electric motor with adjustable timing does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-4117430

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.