David A Spear

Title: David A Spear: Innovator in Turbomachinery Design

Introduction

David A Spear is a notable inventor based in Manchester, CT (US). He has made significant contributions to the field of turbomachinery, holding a total of 5 patents. His innovative designs have advanced the efficiency and performance of turbomachinery systems.

Latest Patents

One of David's latest patents is for a swept turbomachinery blade. This invention features a uniquely swept airfoil that allows for the coincidence of an endwall shock and a passage shock. This design enables a working medium flowing through interblade passages to experience a single coincident shock rather than multiple individual shocks. The forwardmost extremity of the airfoil defines an inner transition point located at an inner transition radius. The sweep angle of the airfoil is designed to be nondecreasing with increasing radius from the inner transition radius to an outer transition radius, and nonincreasing with increasing radius between the outer transition radius and the airfoil tip.

Career Highlights

David A Spear is currently associated with United Technologies Corporation, where he continues to innovate in the field of turbomachinery. His work has been instrumental in developing advanced technologies that enhance the performance of various systems.

Collaborations

Throughout his career, David has collaborated with notable professionals in the industry, including Bruce P Biederman and John A Orosa. These collaborations have contributed to the successful development of his innovative designs.

Conclusion

David A Spear is a distinguished inventor whose work in turbomachinery has led to significant advancements in the field. His patents reflect a commitment to innovation and efficiency, making him a valuable contributor to the industry.