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Title: The Innovative Contributions of Paul G. Lichon
Introduction
Paul G. Lichon is a notable inventor based in Bothell, WA (US). He has made significant contributions to the field of engineering, particularly in the development of systems for gaseous product delivery and arcjet thrusters. With a total of 3 patents to his name, Lichon's work showcases his expertise and innovative spirit.
Latest Patents
Lichon's latest patents include a gaseous product delivery system and an arcjet anode. The gaseous product delivery system is designed to deliver a gaseous product to a reaction chamber. This system features a fuel tank containing a hypergolic liquid, which is displaced by a pressurized gas. The flow of this gas is controlled by a thruster control valve and directed to a gas generator. Notably, the pressurant gas entrained in the hypergolic liquid does not decompose in the gas generator, leading to pressure oscillations. Lichon addresses these oscillations by reducing the diameter of the gas bubbles or by incorporating a gas fluid resistor between the gas generator and the reaction chamber. The arcjet anode patent describes an anode for an arcjet thruster that resists erosion during start-up and steady-state operation. This anode includes a converging upstream portion, a diverging downstream portion, and a constricted portion in between. One embodiment features rails in the constricted portion that accelerate the passage of an arc during start-up, thereby reducing erosion. Another embodiment utilizes a higher strength material to resist bulging due to thermal gradients within the nozzle.
Career Highlights
Throughout his career, Paul G. Lichon has worked with prominent companies such as The Boeing Company and Primex Technologies, Inc. His experience in these organizations has contributed to his development as an inventor and engineer.
Collaborations
Lichon has collaborated with notable individuals in his field, including Donald Grim and Christopher H. McLean. These collaborations have likely enriched his work and expanded his innovative capabilities.
Conclusion
Paul G. Lichon's contributions to the field of engineering through his patents and collaborations highlight his innovative spirit and expertise. His work continues to influence advancements in gaseous product delivery systems and arcjet technology.