Electricity: motive power systems – Limitation of motor load – current – torque or force
Reexamination Certificate
2007-10-23
2007-10-23
Leykin, Rita (Department: 2837)
Electricity: motive power systems
Limitation of motor load, current, torque or force
C318S254100, C318S132000, C318S700000, C318S672000, C318S677000, C318S678000, C388S800000, C323S282000, C363S127000
Reexamination Certificate
active
11359702
ABSTRACT:
A method is specified for controlling a multiphase motor that is commutated by an inverter-side bridge circuit, in the course of which a particularly precise and technically simple detection of a control-relevant variable of a considered motor phase, in particular of a motor phase current and/or a back EMF voltage and/or a variable derived therefrom, takes place. It is provided here to determine the control-relevant variable with the aid of the current state of a freewheeling diode that is disposed in a phase half bridge, assigned to the respective motor phase, of the bridge circuit, the current state being detected during an on time in which a power switch, connected in parallel with the freewheeling diode, of the phase half bridge exhibits a conducting state, and a power switch connected in series with the freewheeling diode exhibits a blocking state.
REFERENCES:
patent: 4319170 (1982-03-01), Brent
patent: 4647824 (1987-03-01), Eichenwald
patent: 4859916 (1989-08-01), McCambridge
patent: 5291106 (1994-03-01), Murty et al.
patent: 6054819 (2000-04-01), Pengov
patent: 6121736 (2000-09-01), Narazaki et al.
patent: 6137256 (2000-10-01), Morris
patent: 6208112 (2001-03-01), Jensen et al.
patent: 6249094 (2001-06-01), Zeh et al.
patent: 6775468 (2004-08-01), Zinke et al.
patent: 2005/0077884 (2005-04-01), Krug et al.
patent: 198 46 831 (2000-04-01), None
patent: 199 35 048 (2001-02-01), None
Möller Alexander
Weinmann Martin
Zeh Stefan
Diehl AKO Stiftung & Co. KG
Greenberg Laurence A.
Leykin Rita
Locher Ralph E.
Stemer Werner H.
LandOfFree
Method and device for controlling a multiphase... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and device for controlling a multiphase..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and device for controlling a multiphase... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3896292