John P Salva

Title: John P. Salva: Innovator in Mining Control Circuits

Introduction

John P. Salva is a notable inventor based in Shelton, CT (US). He has made significant contributions to the field of mining technology, particularly through his innovative control circuit for shuttle cars. His work has enhanced the efficiency and functionality of equipment used in mining operations.

Latest Patents

John P. Salva holds a patent for a "Control Circuit for Shuttle Car." This invention is designed to improve the operation of shuttle cars used in mining. The control circuit includes a chopper circuit in series with a reversing circuit and a traction motor that drives the shuttle car. The chopper circuit consists of two separate current paths through silicon controlled rectifiers (SCRs) and a common capacitor. The logic circuit, controlled by the operator, alternates the gating of the SCRs, allowing for precise control over the voltage and speed of the traction motor. The reversing section also utilizes SCRs to manage the direction of the motor, providing versatility in operation. Additionally, the control circuit includes a power circuit for the logic system and circuits for hydraulic and conveyor motor control.

Career Highlights

John P. Salva has worked at Firing Circuits Inc., where he has applied his expertise in electrical engineering to develop innovative solutions for the mining industry. His work has been instrumental in advancing the technology used in shuttle cars, making them more efficient and reliable.

Collaborations

Throughout his career, John has collaborated with talented individuals such as Gregory M. Mudzinski and John A. Mills. These collaborations have contributed to the development of advanced technologies in the field.

Conclusion

John P. Salva's contributions to mining technology through his innovative control circuit for shuttle cars exemplify his dedication to improving industrial operations. His work continues to influence the efficiency of mining equipment today.