Company Filing History:
Years Active: 2024-2025
Title: David A. Racke: Innovator in Liquid Coolants and Lubrication Technologies
Introduction
David A. Racke is a notable inventor based in West Deptford, NJ (US). He has made significant contributions to the field of engineering, particularly in the development of innovative liquid coolants and lubrication methods. With a total of 2 patents, his work has implications for electric systems and rotary shaft seals.
Latest Patents
One of Racke's latest patents is focused on liquid coolants with dissolved gas for electric systems. This invention discloses liquid coolants that comprise a base oil and a dissolved gas, which together enhance the fluid viscosity of the coolant. The liquid coolant is designed to have a kinematic viscosity at 100° C. of about 7 cSt or less, making it suitable for various electric systems.
Another significant patent involves a method for controlling lubrication of a rotary shaft seal. This method includes an apparatus with a bulk lubricating oil reservoir and a rotary shaft that passes through it. The rotary shaft seal creates a contact zone with a film of lubricating oil, and the method aims to increase the rate of heat flow along the rotary shaft to reduce the temperature of this film. This is achieved through materials with high thermal conductivity or by increasing the surface area of the rotary shaft.
Career Highlights
David A. Racke is currently employed at ExxonMobil Technology and Engineering Company, where he continues to innovate and develop new technologies. His work has been instrumental in enhancing the performance and efficiency of various engineering applications.
Collaborations
Throughout his career, Racke has collaborated with talented professionals, including Gary Christensen and Mark Sitko. These collaborations have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
David A. Racke's contributions to liquid coolants and lubrication technologies demonstrate his commitment to innovation in engineering. His patents reflect a deep understanding of the challenges in electric systems and rotary shaft seals, paving the way for future advancements in these fields.