Jian Jun Zhang

Title: Innovations of Jian Jun Zhang

Introduction

Jian Jun Zhang is a prominent inventor based in Rochester, MI (US). He has made significant contributions to the field of internal combustion engines, holding a total of 10 patents. His work focuses on enhancing engine performance and efficiency through innovative designs and technologies.

Latest Patents

One of his latest inventions is the "Flexible fuel variable boost supercharged engine." This invention provides a flexible fuel, spark ignition, variable boost, supercharged internal combustion engine. A variable speed drive assembly connects the engine output to a supercharger. The engine includes a fuel sensor that provides a signal to an engine controller, which determines the type of fuel. The engine controller also receives signals from various sensors, including a mass air flow sensor, a manifold air pressure sensor, a crank angle sensor, a camshaft angle sensor, an oxygen sensor in the exhaust stream, and a transmission controller. The engine controller provides control signals to an ignition module, a fuel injection system, an electronic throttle control, a supercharger drive controller, and the transmission controller.

Another notable patent is the "Asymmetric split-inlet turbine housing." This turbine housing for a turbocharger is designed for use in a reciprocating internal combustion engine. It includes a housing configured to house a rotatable shaft with a turbine wheel. The housing features a volute with a volute chamber for receiving the turbine wheel. The volute has two inlets that are circumferentially and radially spaced about the housing axis, allowing for improved airflow and efficiency.

Career Highlights

Jian Jun Zhang is currently employed at GM Global Technology Operations, Inc. His work at this leading automotive company has allowed him to develop and patent innovative technologies that enhance engine performance. His contributions have been instrumental in advancing the capabilities of modern internal combustion engines.

Collaborations

Throughout his career, Jian Jun Zhang has collaborated with notable colleagues, including Ko-Jen Wu and James C Elmslie. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Jian Jun Zhang is a distinguished inventor whose work has significantly impacted the automotive industry. His innovative patents and contributions to engine technology demonstrate his commitment to advancing engineering solutions. His ongoing efforts continue to shape the future of internal combustion engines.