Company Filing History:
Years Active: 1998-2000
Title: Innovations of Yih-Jen D Chen
Introduction
Yih-Jen D Chen is a notable inventor based in Chandler, AZ (US). He has made significant contributions to the field of engineering, particularly in the area of precision grinding and shaft deflection control. With a total of three patents to his name, Chen's work showcases his expertise and innovative spirit.
Latest Patents
One of Chen's latest patents is an "Apparatus and method for precision grinding face gear." This invention includes a grinding worm designed for precision grinding a case-hardened face gear. The process begins with a shaper that shapes the surface of the face gear into teeth, followed by case hardening. The grinding worm, oriented normally to the face gear, features a spiral tooth that contacts and grinds the gear with precision. A dressing tool is also included to maintain the shape of the grinding worm within desired tolerances.
Another significant patent is the "Shaft deflection controller." This device includes an input driveshaft that inputs power from an engine and features a spur pinion. The design allows for changes in the axis of rotation due to deflections, and it incorporates two face gears that mesh with the spur pinion. A flexible shaft stabilizing mount is utilized to control the deflection of the input driveshaft, ensuring alignment is maintained.
Career Highlights
Yih-Jen D Chen is currently employed at McDonnell Douglas Helicopter Company, where he continues to apply his innovative skills. His work has contributed to advancements in helicopter technology and engineering solutions.
Collaborations
Chen has collaborated with notable coworkers, including Gregory F Heath and Vijay J Sheth, who have also made significant contributions to their respective fields.
Conclusion
Yih-Jen D Chen's innovative patents and career at McDonnell Douglas Helicopter Company highlight his impact on engineering and technology. His work in precision grinding and shaft deflection control demonstrates his commitment to advancing the field.