James K Vallance

Title: Innovations of James K Vallance

Introduction

James K Vallance is a notable inventor based in Northville, MI (US), recognized for his contributions to internal combustion engine technology. He holds a total of 9 patents, showcasing his innovative spirit and technical expertise in the automotive industry.

Latest Patents

Among his latest inventions is the "Three-valve cylinder head system," designed for direct-injected spark-ignited (DISI) internal combustion engines. This system features two inlet ports positioned in opposite quadrants of the cylinder head, with a fuel injector directing fuel spray into a third quadrant. The exhaust port is located in the fourth quadrant. The design includes a helicoid intake port and an axially directed intake port that generate a swirl-type airflow in the piston cylinder without the need for flow activation devices. The spark plug is centrally positioned adjacent to the longitudinal axis of the cylinder bore, while the piston has a bowl in its upper surface that enhances the mixing of air and fuel for optimal combustion.

Another significant patent is the "Cylinder head intake system," which includes a pent roof that closes off the top of an engine cylinder. This design features first and second inclined surfaces intersecting at an apex region of the pent roof. The air intake ports are strategically formed to create in-cylinder air swirl, enhancing engine efficiency.

Career Highlights

James K Vallance has worked with prominent companies such as Ford Motor Company and Ford Global Technologies. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technology.

Collaborations

Throughout his career, Vallance has collaborated with talented individuals, including Christian J Rahnke and Jialin Yang. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

James K Vallance's contributions to the field of internal combustion engines demonstrate his innovative capabilities and commitment to advancing automotive technology. His patents reflect a deep understanding of engineering principles and a drive to improve engine performance.