Jan-Henrik Kuhlefelt

Title: **Jan-Henrik Kuhlefelt: Innovator in Switchgear Technology**

Introduction

Jan-Henrik Kuhlefelt, based in Skien, Norway, is a notable inventor with a significant impact on switchgear technology. With five patents to his name, Kuhlefelt has demonstrated his commitment to innovation and excellence in the electrical engineering field. His recent work reflects a keen insight into improving the safety and efficiency of electrical systems.

Latest Patents

Kuhlefelt's latest patents include a groundbreaking **Switch Disconnector**. This invention features a main contact point and an arc interruption contact point, designed for optimal performance during disconnection and connection operations. The main contact opens before and closes after the arc interruption point, ensuring smooth operation. This design employs a stationary and moving contact-piece arrangement, incorporating a pot contact piece with contact fingers and a moving main contact point connected to a contact mount. The arc interruption point includes a stationary contact pin, made from interruption-resistant material, which is innovatively designed with longitudinal slots that divide it into pin fingers.

Another notable patent is the **Fuse Arrangement**, which pertains to a fuse system for medium voltage switchgear assemblies. This system includes multiple fuses corresponding to different phases, each fitted with a tripping bar that is activated under spring force when a fuse operates. A sealing body pushes the sealing head into the receptacle housing the fuse, and a lever mechanism facilitates a power switch operation, enhancing the reliability of the switchgear assembly.

Career Highlights

Jan-Henrik Kuhlefelt has been instrumental in advancing electrical engineering through his role at Abb Technology AG. His expertise in developing innovative solutions for electrical systems has solidified his reputation in the industry. His dedication to improving safety and efficiency within the electrical framework of switchgear designs has made a lasting impact.

Collaborations

Throughout his career, Kuhlefelt has collaborated with talented individuals such as Ole Granhaug and Robert Espeseth. Together, they contribute to a culture of innovation and teamwork, fostering a productive environment for developing advanced electrical technologies.

Conclusion

Jan-Henrik Kuhlefelt stands out as an influential inventor in the realm of switchgear technology. His patents reflect his innovative spirit and dedication to enhancing electrical systems' safety and efficiency. With continued collaboration and exploration of new ideas, Kuhlefelt is poised to make further contributions to the field, paving the way for advancements that will benefit future generations.