Company Filing History:
10 out of 627 
2 out of 8,033 Years Active: 1976-1993
Title: Innovations of Donald K Mayer
Introduction
Donald K Mayer is a notable inventor based in Bloomington, MN (US), recognized for his contributions to refrigeration technology. With a total of 12 patents to his name, Mayer has made significant advancements in compressor systems and oil separation techniques.
Latest Patents
One of his latest patents is the "Compressor arrangement suitable for transport refrigeration systems." This invention features a refrigerant compressor system designed for transport refrigeration applications. It includes a refrigerant compressor, an electric motor, and a hydraulic motor that are directly coupled within a common housing. The design ensures that hydraulic fluid used for the hydraulic motor is compatible with the lubricating oil of the refrigerant compressor, preventing any adverse effects on the system's operation. Another significant patent is the "Oil separator for refrigeration apparatus." This device effectively separates oil from vaporized refrigerant and returns the separated oil to the compressor crankcase. The oil separator is designed with an elongated housing and includes oil separation stages and a capillary tube, allowing for efficient oil flow regardless of the housing's orientation.
Career Highlights
Throughout his career, Donald K Mayer has worked with prominent companies such as Thermo King Corporation and Westinghouse Electric Corporation. His experience in these organizations has contributed to his expertise in refrigeration technologies and innovations.
Collaborations
Mayer has collaborated with various professionals in his field, including his coworker William A Forsty, enhancing the development of his inventions.
Conclusion
Donald K Mayer's contributions to refrigeration technology through his innovative patents and career experiences highlight his significant role in advancing this field. His work continues to influence the industry and improve refrigeration systems.