Hansjoerg Frey

Title: Innovations by Hansjoerg Frey in Fuel Injection Technology

Introduction

Hansjoerg Frey is a notable inventor based in Stuttgart, Germany, recognized for his contributions to fuel injection systems in internal combustion engines. With a total of four patents to his name, Frey's work has significantly impacted the automotive industry, particularly in enhancing fuel delivery mechanisms.

Latest Patents

Frey's latest patents include a radial piston pump designed for high-pressure fuel delivery. This invention relates to a radial piston pump utilized in fuel injection systems, specifically within common rail injection systems. The design features a drive shaft supported in a pump housing, with an eccentric embodiment or cam-like projections that facilitate the movement of pistons arranged radially. Each piston operates within its respective cylinder chamber, reciprocating as the drive shaft rotates. The assembly includes a spring-preloaded check valve on both the intake and high-pressure sides, ensuring efficient fuel delivery.

Another significant patent is a fuel injection pump for internal combustion engines. This pump features an axially guided pump piston within a cylinder bushing, which defines a pump work chamber. The piston is moved axially by a cam drive, countering the force of a restoring spring. The design incorporates a roller tappet connected to the pump piston, which rolls off a cam driven by the engine. This innovative mechanism enhances the precision and efficiency of fuel injection.

Career Highlights

Hansjoerg Frey is currently employed at Robert Bosch GmbH, a leading company in automotive technology and engineering. His work at Bosch has allowed him to develop and refine technologies that are crucial for modern fuel injection systems. Frey's expertise in this field has positioned him as a key contributor to advancements in engine performance and efficiency.

Collaborations

Throughout his career, Frey has collaborated with notable colleagues, including Karsten Hummel and Karl Rapp. These partnerships have fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies in fuel injection systems.

Conclusion

Hansjoerg Frey's contributions to fuel injection technology exemplify the importance of innovation in the automotive industry. His patents reflect a commitment to enhancing engine performance and efficiency, solidifying his reputation as a leading inventor in this field.