Company Filing History:
Years Active: 1981
Title: The Innovative Contributions of Ralph V Wilhelm, Jr.
Introduction
Ralph V Wilhelm, Jr. is an accomplished inventor based in Flint, MI (US), recognized for his innovative advancements in the field of exhaust gas sensors. With three patented inventions to his name, he has made significant contributions that enhance the efficiency and performance of electrochemical-type exhaust gas oxygen sensors.
Latest Patents
One of Wilhelm's notable patents is the "Exhaust electrode process for exhaust gas oxygen sensor." This method involves sputtering a palladium or palladium-platinum exhaust gas electrode onto a vitrified zirconia thimble, which leads to the deposition of porous high surface area films with more consistent properties. The sputtering process utilizes a target spaced approximately 3.0-4.5 cm from the thimble and more than 6 cm from the sputtering anode, under a pressure of 10-20 millitorr and a DC power of 13-22 watts/cm² of target area.
Another significant invention by Wilhelm is the "Electrode sputtering process for exhaust gas oxygen sensor." This process focuses on sputtering platinum onto a vitrified zirconia thimble to create an exhaust electrode under an atmosphere of more than 50% oxygen and/or nitrogen by volume. This innovative approach results in sensors that exhibit low symmetrical transition times, enhancing their responsiveness and efficiency.
Career Highlights
Ralph V Wilhelm, Jr. is currently affiliated with GM Global Technology Operations LLC, where he continues to push the boundaries of technology in the automotive sector. His expertise in sputtering techniques has established him as a key contributor to advancements in exhaust gas sensor technology.
Collaborations
In his impressive career, Wilhelm has worked alongside renowned colleagues such as Terry J Gold and Frederick L Kennard. Their collaborative efforts have fostered an environment of innovation and excellence, leading to significant developments in their field.
Conclusion
Ralph V Wilhelm, Jr.'s contributions to the realm of exhaust gas sensors exemplify the impact of innovation in technology. His patents demonstrate a commitment to improving sensor performance and efficiency, making a lasting mark on the industry. The future promises exciting advancements from this talented inventor.