Stephen L Hung

Title: Innovations by Stephen L Hung

Introduction

Stephen L Hung is an accomplished inventor based in Waterford, NY (US). He holds a total of 4 patents that contribute significantly to advancements in gas turbine technology and emissions reduction. His work primarily focuses on improving the efficiency and environmental impact of power generation systems.

Latest Patents

One of his latest patents is titled "Staged catalytic ammonia decomposition in integrated gasification." This invention aims to reduce the ammonia content of fuel gas in an Integrated Gasification Combined Cycle (IGCC) power generation system. By implementing ammonia decomposition, the patent effectively lowers NO.sub.x emissions from the plant. The system includes a gasifier, a gas turbine, and at least one catalytic reactor, which can be configured in either a three-stage or two-stage design. The three-stage reactor utilizes a first catalyst for water-gas-shift, a second for CO methanation, and a third for ammonia decomposition. Alternatively, the two-stage reactor combines the first two functions in one catalyst and employs a second catalyst for ammonia decomposition. The design allows for flexibility in reactor configuration, including the use of fluidized bed reactors.

Another notable patent is the "Catalytic combustor with lean direct injection of gas fuel for low emissions." This combustor is designed for gas turbines and features a diffusion flame combustion zone, a catalytic combustion zone, and a post-catalytic combustion zone. At startup or low-load levels, the combustor utilizes a diffusion flame to generate combustion products. As operating conditions change, the combustor efficiently mixes combustion products with additional hydrocarbon fuel in the catalytic combustion zone, minimizing thermal NO.sub.x emissions.

Career Highlights

Stephen L Hung is currently employed at General Electric Company, where he continues to innovate in the field of energy and emissions reduction. His contributions have been instrumental in developing technologies that enhance the performance of gas turbines while addressing environmental concerns.

Collaborations

He has collaborated with notable colleagues, including Kenneth W Beebe and Martin B Cutrone, who share a commitment to advancing technology in the energy sector.

Conclusion

Stephen L Hung's innovative patents and career at General Electric Company highlight his significant contributions to the field of power generation and emissions reduction. His work continues to pave the way for more efficient and environmentally friendly energy solutions.