Electricity: motive power systems – Braking – Dynamic braking
Reexamination Certificate
2005-12-13
2005-12-13
Ip, Paul (Department: 2837)
Electricity: motive power systems
Braking
Dynamic braking
C318S375000, C318S377000, C318S378000
Reexamination Certificate
active
06975085
ABSTRACT:
According to an aspect of the invention, an electronic motor brake is provided which includes a braking circuit including one or more discharge devices connectable to one or more of a plurality of power supply lines carrying respective phases of a power supply for driving a direct current (DC) motor. Such electronic motor brake further includes an activation circuit driven by current returning from the motor through one or more of the power supply lines. The activation circuit is operable upon disconnecting the braking circuit from the plurality of the power supply lines to activate the discharge devices of the braking circuit to brake the motor.
REFERENCES:
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patent: 5208741 (1993-05-01), Kumar
patent: 5386185 (1995-01-01), Beck et al.
patent: 5789885 (1998-08-01), Seel
patent: 5847522 (1998-12-01), Barba
patent: 5914576 (1999-06-01), Barba
patent: 6094024 (2000-07-01), Westlake
Biamonte et al. “A Highly Integrated Single DSP Solution for Multiple Motor Drive Controls”, no date.
Augspurger Lynn L.
Ip Paul
Neff Daryl K.
Wojnicki, Jr. Andrew J.
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