Motor control apparatus for controlling a power supply to an electrical motor

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12009764
SERIAL NO

17431628

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A motor control apparatus for controlling a power supply to an electrical motor (M) connected to an output terminal (3) of the motor control apparatus (1) comprising:

    an overcurrent protection circuit (1A) having a power switch (5) through which the electrical motor (M) receives an electrical load current (IL) and having a sensor component (4) connected in series with the power switch (5) and adapted to generate directly a voltage drop (ΔU4) corresponding to the current rise speed of the electrical load current (IL) flowing from an input terminal (2) of the motor control apparatus (1) via the sensor component (4) and the power switch (5) to the output terminal (3) and having a driver circuit (6) adapted to detect an occurring overcurrent depending on the voltage drop (ΔU4) generated by the sensor component (4) and/or depending on a voltage drop (ΔU5) along the power switch (5) and adapted to switch off said power switch (5) upon detection of an overcurrent within a switch-off period of less than one millisecond; and/or comprisinga power supply control circuit (10) having a sensor component (9) adapted to measure at the input terminal (2) a supply voltage notified to a control unit (8) of the motor control apparatus (1) adapted to control an electrical power supplied to the electrical motor (M) depending on an operation mode of the electrical motor (M).

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Patent Owner(s)

Patent OwnerAddress
FUTURE SYSTEMS BESITZ GMBHRÖDENTAL

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Först, Bernhard Kronach, DE 7 3
Zimmermann, Christian Erlangen, DE 36 123

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