Pierre-Yves Bourquin

Title: Innovations of Pierre-Yves Bourquin

Introduction

Pierre-Yves Bourquin is a notable inventor based in Paris, France. He has made significant contributions to the field of aerospace engineering, particularly in the design of advanced jet propulsion systems. With a total of 3 patents to his name, Bourquin's work focuses on enhancing the efficiency and performance of turbojet engines.

Latest Patents

One of his latest patents is for a turbo jet engine exhaust nozzle with a masked gas jet. This innovative design features an axially symmetric turbojet engine exhaust-nozzle that includes a system for masking the exhaust jet. The system comprises inner hot flaps that hinge on a conical shell and are driven by a first control ring powered by linear actuators. Additionally, outer cold flaps hinge on an annular assembly and are driven by a second control ring, also powered by linear actuators, to vary the angle of the cold flaps. The annular assembly is axially displaceable by a third set of linear actuators. Each cold flap consists of an inner skin fitted with orifices and hinging on the annular assembly, while an outer skin is spaced radially away from the inner skin to define an air flow channel. This design allows for the introduction of fresh air into the cold flaps, which is then injected into the hot gas flow to reduce the exhaust signature.

Another significant patent is for a converging exhaust nozzle fitted with translating cold flaps. This gas-flow exhaust assembly is designed for a jet propulsion system of an aircraft. The primary exhaust nozzle comprises two hot flaps situated beyond a primary duct enclosed by an aircraft fairing. The fairing is extended by a secondary exhaust nozzle, which is translatable by a control mechanism. The secondary exhaust nozzle includes cold flaps that are driven independently of the hot flaps, allowing for enhanced control over the exhaust flow.

Career Highlights

Throughout his career, Bourquin has worked with esteemed organizations, including the Société Nationale d'Étude et de Construction de Moteurs d'Aviation. His expertise in jet propulsion systems has positioned him as a key figure in the aerospace industry.

Collaborations

Bourquin has collaborated with notable professionals in the field, including Philippe Pierre Bouiller and Daniel Germain Kettler. These collaborations have contributed to the advancement of innovative technologies in aerospace engineering.