Impact tools and control modes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11855567
SERIAL NO

17551596

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An impact power tool includes a housing, a motor, a controller, an output member configured to be rotated when the motor is energized, and an impact mechanism configured to rotationally drive the output member. The impact mechanism is configured to selectively apply rotational impacts to the output member when a torque on the output member exceeds a torque threshold. The controller is configured to control the motor during a first phase of operation with open loop control and a baseline conduction band and advance angle setting when a sensed tool operation parameter is one of above or below a threshold value. The controller is configured to control the motor during a second phase of operation with closed speed loop control and an increased conduction band and advance angle setting when the sensed tool operation parameter is the other of above or below the threshold value.

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Patent Owner(s)

  • STANLEY BLACK & DECKER, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Friedman, Brian E Baltimore, US 31 440
Kunz, Eric Louis Shrewsbury, US 7 1
Lin, Wing W Bel Air, US 14 75
Petrus, Tyler Baltimore, US 15 1
Villuri, BhanuPrakash Towson, US 9 5
Wadeson, Peter Hague Silver Spring, US 8 4

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