This inventor holds 3 USPTO granted patents and 1 published patent application, plus 4 CIPO patents and 4 EPO patents. Top assignees: Turbomeca, Safran Helicopter Engines. Active years: 2014-2019.
Company Filing History:
Years Active: 2014-2019
Title: Pierre Harriet: Innovator in Turbine Engine Technology
Introduction
Pierre Harriet is a notable inventor based in Billere, France. He has made significant contributions to the field of turbine engine technology, holding a total of 3 patents. His work focuses on methods and systems that enhance the reliability and efficiency of turbine engines.
Latest Patents
One of Harriet's latest patents is a method and system for reliably starting a turbine engine. This innovative system includes first and second circuits connected in parallel, arranged between the engine's battery and its DC starter. The first circuit features a DC-DC converter connected in series with a first switch, while the second circuit includes a second switch. Additionally, the system incorporates sensors to monitor the speed of rotation of the compressor and the temperature at the inlet to a free turbine. A control circuit manages the first and second switches based on the information from these sensors.
Another significant patent by Harriet is a method for starting an aircraft turboshaft engine. This invention involves a combustion chamber and a compressor shaft with a compressor wheel that feeds compressed air to the combustion chamber. The method consists of two phases: accelerating the compressor shaft during the first phase and stabilizing its rotational speed during the second phase. The acceleration is regulated to ensure that the shaft's speed remains substantially constant.
Career Highlights
Throughout his career, Pierre Harriet has worked with prominent companies in the aerospace industry, including Turbomeca and Safran Helicopter Engines. His experience in these organizations has allowed him to develop and refine his innovative ideas in turbine engine technology.
Collaborations
Harriet has collaborated with notable professionals in his field, including Stephen Langford and Vincent Poumarede. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Pierre Harriet's contributions to turbine engine technology through his patents and collaborations highlight his role as an influential inventor. His innovative methods for starting turbine engines demonstrate his commitment to enhancing the efficiency and reliability of aerospace technology.