Petri Harju

Title: Innovations by Petri Harju in Screening Technology

Introduction

Petri Harju is a notable inventor based in Hamina, Finland. He has made significant contributions to the field of screening technology, particularly in the processing of fibrous suspensions. With a total of two patents to his name, Harju's work has advanced the efficiency and effectiveness of screening devices.

Latest Patents

Petri Harju's latest patents include innovative apparatuses designed for screening fibrous suspensions. The first patent describes a screening device that features a rotor element coaxial with a cylindrical screen drum. This design includes a unique front face that faces upstream into the pulp flow, enhancing the screening process. The second patent also focuses on a screening apparatus that incorporates a housing with conduits for fiber suspension. This apparatus includes a rotor and a cylindrical screen drum, with rotor elements designed to optimize the flow of the fiber suspension.

Career Highlights

Harju is currently employed at Andritz Oy, a company known for its advanced technologies in the pulp and paper industry. His work at Andritz Oy has allowed him to apply his innovative ideas in practical settings, contributing to the company's reputation for excellence in screening technology.

Collaborations

Throughout his career, Petri Harju has collaborated with talented individuals such as Sami Siik and Simo Kiero. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Petri Harju's contributions to screening technology through his patents and work at Andritz Oy highlight his role as an influential inventor in the field. His innovative designs continue to impact the efficiency of fibrous suspension processing.