Jie Qian

Title: Innovations by Jie Qian

Introduction

Jie Qian is a notable inventor based in Palmyra, NY (US). He has made significant contributions to the field of fuel injection technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and reliability of fuel injectors, particularly for gas turbine engines.

Latest Patents

One of Jie Qian's latest patents is the "Nozzle tip assembly with secondary retention device." This invention features a retention device that includes at least one tab cooperating with a ledge to couple a nozzle shroud to a nozzle adaptor. This design serves as a secondary retention feature, preventing nozzle separation and allowing for repairs without replacing the entire assembly. This advantage is particularly beneficial in cases of damage during assembly or when overhauling the nozzle tip assembly.

Another significant patent is the "Nozzle with fluted tube." This fuel injector for gas turbine engines comprises an inlet fitting, a housing stem, and a spray nozzle. It includes a pair of fuel passages that deliver fuel in both primary and secondary flows to discharge orifices in the nozzle. The innovative design features inner and outer concentric conduits, with fins providing structural support and thermal connection between the conduits. This design helps to cool the outer conduit and protect the fuel in the secondary passage during low power operation.

Career Highlights

Jie Qian is currently employed at Parker-Hannifin Corporation, where he continues to develop advanced technologies in fuel injection systems. His work has been instrumental in improving the performance and reliability of fuel injectors used in various applications.

Collaborations

Throughout his career, Jie Qian has collaborated with talented individuals such as Curtis F. Harding and Bryan T. Runkle. These collaborations have contributed to the successful development of innovative technologies in the field.

Conclusion

Jie Qian's contributions to fuel injection technology through his patents demonstrate his commitment to innovation and excellence. His work continues to impact the industry positively, enhancing the performance of gas turbine engines.