Robert D Welch

Title: The Innovations of Robert D. Welch

Introduction

Robert D. Welch is a notable inventor based in Mansfield, MA (US). He has made significant contributions to the field of cryogenic refrigeration technology. His innovative approach has led to the development of a unique method for detecting a loss of differential pressure in cryogenic refrigerators.

Latest Patents

Robert D. Welch holds a patent for a method and apparatus designed to detect the absence of a pressure differential across a cryogenic refrigerator. This method involves taking measurements of the load in the refrigerator during both warmstroke and coldstroke phases of the refrigeration cycle. By comparing these measurements, it can be determined whether the differential load across the cryogenic refrigerator has been lost. The system includes a compressor that circulates compressed gas through a line routed through the refrigerator. A displacer is driven through the refrigeration cycle by a motor, which is monitored by an electronic module that detects any loss of differential pressure.

Career Highlights

Welch's career is marked by his work at Helix Technology Corporation, where he has applied his expertise in cryogenic technology. His innovative methods have contributed to advancements in the efficiency and reliability of refrigeration systems.

Collaborations

Robert D. Welch has collaborated with notable colleagues, including Martin L. Stein and Robert E. Khederian. Their combined efforts have fostered a productive environment for innovation and development within their field.

Conclusion

Robert D. Welch's contributions to cryogenic refrigeration technology exemplify the impact of innovative thinking in engineering. His patent reflects a significant advancement in the detection of pressure differentials, showcasing his commitment to improving refrigeration systems.