Paul C Allen

Title: Paul C. Allen: Innovator in Cryogenic Technology

Introduction

Paul C. Allen is a notable inventor based in Solana Beach, California. He has made significant contributions to the field of cryogenic technology, holding a total of 2 patents. His work focuses on innovative heat transfer devices and cooling systems that enhance efficiency and performance.

Latest Patents

One of Allen's latest patents is for a cryogenic cooler apparatus. This invention features a Malone-type final stage designed for use in a Stirling cycle cryogenic cooler. The apparatus includes a displacer that moves within a vessel, allowing helium or a mixture thereof to flow in a pulsating unidirectional manner through a regenerator. This design incorporates check valves in separate fluid channels and stacked copper screen members to facilitate efficient lateral heat exchange, enabling cooling to temperatures in the range of 3-4 K. Another embodiment of this patent utilizes sintered copper particles in the regenerator.

Additionally, Allen has developed a heat pump/refrigerator that operates using a liquid working fluid. This device can function as either a heat pump or a refrigerator, utilizing a working fluid that remains in a liquid state and has a high temperature-coefficient of expansion near room temperature. The design includes heat exchangers connected to both outdoor and indoor environments, a regenerator, and a displacer that moves the liquid working fluid through the system. This innovative device allows for efficient heat transfer and can easily switch between heating and cooling modes.

Career Highlights

Throughout his career, Paul C. Allen has worked with prestigious institutions, including the University of California and the United States of America as represented by the United States. His contributions to cryogenic technology have been recognized and utilized in various applications.

Collaborations

Allen has collaborated with notable individuals in his field, including John C. Wheatley and Douglas N. Paulson. Their combined expertise has contributed to the advancement of cryogenic technologies and heat transfer devices.

Conclusion

Paul C. Allen's innovative work in cryogenic technology and heat transfer devices has made a significant impact in the field. His patents reflect a commitment to enhancing efficiency and performance in cooling systems. His contributions continue to influence advancements in technology and engineering.