John Rothwell

Title: John Rothwell: Innovator in Spinning Machine Technology

Introduction

John Rothwell is a notable inventor based in Lancashire, GB. He has made significant contributions to the field of spinning machine technology, holding 2 patents that enhance the efficiency and functionality of these machines.

Latest Patents

Rothwell's latest patents include a "Method of shutting down a rotor spinning machine." This invention allows the spinning units of a multi-position rotor spinning machine to be driven by a common AC drive motor powered by a static inverter. This setup enables control over the power supply frequency to the AC motor, which in turn controls the rate of acceleration, operating speed, and deceleration of the motor. This innovation facilitates a method of mass stopping. Another significant patent is the "Method of starting and shutting down a friction spinning machine." Similar to his previous invention, this method provides for the spinning units of a multi-position open-end spinning machine to be driven by a common AC drive motor. It also allows for controlled acceleration and deceleration, facilitating mass start-up and mass stopping of the friction spinning machine.

Career Highlights

Rothwell is currently associated with Hollingsworth (U.K.) Ltd., where he continues to develop innovative solutions in spinning technology. His work has been instrumental in advancing the capabilities of spinning machines, making them more efficient and easier to operate.

Collaborations

Rothwell collaborates with Alfred Wood, a fellow innovator in the field. Their combined expertise contributes to the ongoing development of advanced spinning technologies.

Conclusion

John Rothwell's contributions to spinning machine technology through his patents demonstrate his commitment to innovation and efficiency in the industry. His work continues to influence the field positively.