William T Sand

Title: William T Sand: Innovator in Cryopump Technology

Introduction

William T Sand is a notable inventor based in Attleboro, MA (US). He has made significant contributions to the field of cryogenic technology, particularly through his innovative patents. With a total of 2 patents, Sand has established himself as a key figure in the development of advanced monitoring systems for cryopump motors.

Latest Patents

One of Sand's latest patents is the Cryopump Synchronous Motor Load Monitor. This apparatus and method are designed to monitor the torque load condition of a cryopump motor. It includes a power transducer that tracks the electrical power input to the cryopump motor. A preferred embodiment of this power transducer features a Hall-effect multiplier, which measures both the instantaneous and average electrical power input to determine the torque load. Additionally, another embodiment incorporates a power transducer that assesses the Power Factor of the electrical input, utilizing a phase detector to identify the phase difference between the input voltage and current applied to the cryopump motor.

Career Highlights

William T Sand is currently associated with Helix Technology Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the efficiency and reliability of cryogenic systems.

Collaborations

Sand collaborates with Martin L Stein, contributing to the advancement of cryogenic technology through their combined expertise.

Conclusion

William T Sand's contributions to cryogenic technology through his patents and work at Helix Technology Corporation highlight his role as an influential inventor in this specialized field. His innovative approaches continue to shape the future of cryopump technology.