Electricity: motive power systems – Positional servo systems – Pulse-width modulated power input to motor
Reexamination Certificate
2005-08-26
2009-08-11
Benson, Walter (Department: 2837)
Electricity: motive power systems
Positional servo systems
Pulse-width modulated power input to motor
Reexamination Certificate
active
07573224
ABSTRACT:
A method and apparatus for electronic commutation of a pulse width modulation (PWM) controlled motor involves temporarily increasing the frequency of one or more PWM drive signals applied to the motor upon the occurrence of an asynchronous commutation event.
REFERENCES:
patent: 5721475 (1998-02-01), Fincher
patent: 5869946 (1999-02-01), Carobolante
patent: 5929589 (1999-07-01), Suzuki et al.
patent: 6002226 (1999-12-01), Collier-Hallman et al.
patent: 6232731 (2001-05-01), Chapman
patent: 6448676 (2002-09-01), Kershaw et al.
patent: 6448724 (2002-09-01), Kleinau et al.
patent: 6586898 (2003-07-01), King et al.
patent: 6771035 (2004-08-01), Heidrich
patent: 6809484 (2004-10-01), Makaran et al.
patent: 6831431 (2004-12-01), Dieterle et al.
patent: 6876165 (2005-04-01), Rappenecker et al.
patent: 6956349 (2005-10-01), Tani et al.
Crabill Monty L.
Disser Robert J.
Benson Walter
Delphi Technologies Inc.
McCloud Renata
Twomey Thomas N.
LandOfFree
Electronic commutation method and related 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 Electronic commutation method and related apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electronic commutation method and related apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4101161