David J Hunt

Title: David J Hunt - Innovator in Turbomachinery

Introduction

David J Hunt is a notable inventor based in Lichfield, GB. He has made significant contributions to the field of turbomachinery, holding a total of 3 patents. His work focuses on enhancing the efficiency and performance of gas turbines.

Latest Patents

One of his latest patents is related to thermal shielding in a gas turbine. This invention features a turbine blade with a labyrinth of internal channels designed for the circulation of coolant. The innovative labyrinth geometry includes an inlet on the axially upstream face of the terminal portion, leading to an upstream duct portion. This duct portion has a first section adjacent to the inlet and a second section with a reduced cross-section compared to the first section. Additionally, a first passage intersects the first section and extends through the blade body towards the tip of the blade. The proximal end of the leading edge passage is arranged to capture incoming airflow. Furthermore, a main blade passage intersects a downstream duct portion, which is axially aligned with the upstream duct portion but remains separate from it. Lastly, a restrictor passage intersects with the mid-blade passage and extends towards a mid-blade duct portion, which is also in axial alignment with the upstream and downstream duct portions and in fluid communication with the upstream duct portion.

Another significant patent by Hunt is a vibration damper designed for use in a turbomachine. This turbomachine comprises at least one turbine rotor with a plurality of radially extending blades. Each blade features an aerofoil, a platform, and a stem. The vibration damper includes a seal-region with a pair of sealing surfaces configured for engagement with respective contact surfaces on adjacent blade platforms. Additionally, the damper has a mass-region that extends radially inwardly from the seal-region and terminates at a position located between adjacent blade stems.

Career Highlights

David J Hunt is currently employed at Rolls-Royce Corporation, where he continues to innovate in the field of turbomachinery. His work has been instrumental in advancing turbine technology and improving operational efficiency.

Collaborations

Throughout his career, Hunt has collaborated with notable colleagues, including Wesley J Pearce and Robert Elliott. These collaborations have contributed to the development of cutting-edge technologies in the industry.

Conclusion

David J Hunt is a distinguished inventor whose work in turbomachinery has