Electricity: motive power systems – Braking – Dynamic braking
Reexamination Certificate
2008-10-17
2011-12-13
Benson, Walter (Department: 2837)
Electricity: motive power systems
Braking
Dynamic braking
C318S400020, C318S400140, C318S400310
Reexamination Certificate
active
08076877
ABSTRACT:
An electrically commutated actuator and control system has a stator and a shaft that is movable with respect to the stator. A plurality of magnets movable with the shaft provide a first magnetic flux, and an electric current in at least one coil defined on the stator provides a second magnetic flux. The second magnetic flux is controlled in response to the first input so that the second magnetic flux has a predetermined phase with respect to the first magnetic flux. The second magnetic flux is controlled in response to the second input so that the phase of the second magnetic flux with respect to the first magnetic flux varies from the predetermined phase.
REFERENCES:
patent: 3806785 (1974-04-01), DeValroger et al.
patent: 5027048 (1991-06-01), Masrur et al.
patent: 6384567 (2002-05-01), Maeda
patent: 6800966 (2004-10-01), Godkin
patent: 6949945 (2005-09-01), Klein
patent: 6954045 (2005-10-01), Nishikawa et al.
patent: 6989644 (2006-01-01), Kim
patent: 7015663 (2006-03-01), Tzeng et al.
patent: 7015667 (2006-03-01), Patel et al.
patent: 7034482 (2006-04-01), Komiyama et al.
patent: 7202577 (2007-04-01), Parison et al.
patent: 7245104 (2007-07-01), Tomigashi et al.
patent: 7332837 (2008-02-01), Ward et al.
patent: 7592766 (2009-09-01), Patel et al.
patent: 2005/0035678 (2005-02-01), Ward et al.
patent: 2006/0095180 (2006-05-01), Ummethala et al.
patent: 2007/0290637 (2007-12-01), Sepe
International Search Report and Written Opinion dated Mar. 4, 2010 for PCT/US2009/060821.
Knox Lawrence D.
Oteman David G.
Parison James A.
Benson Walter
Dinh Thai
LandOfFree
System and method for controlling power balance in an... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with System and method for controlling power balance in an..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for controlling power balance in an... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4304093