Company Filing History:
4 out of 626 
1 out of 832,812 Years Active: 1978-1997
Title: Jerry A Brownfield: Innovator in Electromagnetic Clutch and Refrigeration Technology
Introduction
Jerry A Brownfield is a notable inventor based in Minneapolis, MN (US), recognized for his contributions to the fields of electromagnetic clutches and refrigeration systems. With a total of 5 patents to his name, Brownfield has made significant advancements that enhance the efficiency and reliability of mechanical systems.
Latest Patents
One of his latest patents is the "Electromagnetic clutch with permanent magnet return mechanism." This innovative clutch design incorporates a permanent magnetic return mechanism, which improves the service life of the clutch when used with prime movers like diesel engines. The clutch features a rotor connected to a driven device, such as a refrigerant compressor, and a flywheel linked to a driving device, like an internal combustion engine. The use of permanent magnets instead of traditional mechanical components, such as springs, allows for a more durable and efficient operation.
Another significant patent is the "Phase change location controller for a heat exchanger in a refrigeration." This invention outlines a refrigeration system that optimizes the refrigerant flow path through a heat exchanger. By utilizing resistance devices to detect changes in refrigerant phases, the system can control parameters effectively, ensuring that phase changes occur at the desired location within the heat exchanger.
Career Highlights
Throughout his career, Jerry A Brownfield has worked with prominent companies, including Thermo King Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
Brownfield has collaborated with notable individuals in the industry, including Lowell M Anderson and Steven C Eberly. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Jerry A Brownfield's work in electromagnetic clutches and refrigeration technology showcases his innovative spirit and dedication to improving mechanical systems. His patents reflect a commitment to enhancing efficiency and reliability in engineering applications.