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US 10,239,140 B2Granted
Systems and devices for performing powered threading operations
AssigneeEmerson Electric Co.
InventorsRichard M. Kundracik, Paul W. Gress, James E. Hamm, Glen R. Chartier
Life of this patent
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Abstract
A device and associated system for threading, cutting, and reaming pipe ends are described. The device and system utilizes a brushless DC electric motor. The devices also include on-board electronics and operator interface(s) to provide sophisticated control and information as to the various operations. Also described are methods of operating the devices and several different modes for performing various operations.
Claims12
A powered threader device comprising:
- a frame assembly;
- a brushless DC electric motor supported by the frame assembly, the motor providing a powered rotary output;
- a die assembly for forming threads in a workpiece;
- provisions for limiting torque of the powered rotary output of the brushless DC electric motor, the provisions for limiting torque including a current limiter to limit electrical current to the brushless DC electric motor;
- wherein the die assembly includes a manual ratcheting threader die head.
2 more elements
A powered threader device comprising:
- a frame assembly;
- a brushless DC electric motor supported by the frame assembly, the motor providing a powered rotary output;
- a die assembly for forming threads in a workpiece;
- a control system governing operation of the brushless DC electric motor;
- current overload provisions for providing information as to electrical current to the brushless DC electric motor, the current overload provisions providing the information to the control system;
- wherein the die assembly includes a manual ratcheting threader die head.
3 more elements
Dependencies are inferred from the claim text.