Patent ID: 11942880
Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  B | IPC B  G  H

Claim 12:
13. A power tool comprising:
a housing;
a motor within the housing;
a battery pack interface configured to receive a battery pack and provide power to the motor;
an actuator movably coupled to the housing;
a switch coupled to the housing, the switch being movable between a first position and a second position; and
an electronic controller connected to the motor, the battery pack, and the actuator, the electronic controller configured to:
detect that the switch is in the first position,
detect that the actuator has been actuated,
drive the motor at a first speed,
increase a speed of the motor to a target second speed during a predetermined time threshold, wherein the predetermined time threshold is in a range of 10 seconds to 150 seconds,
compare the speed of the motor to the target second speed of the motor, and
turn off the power tool when the predetermined time threshold is reached and if the speed of the motor has not reached the target second speed of the motor.