Erlendur Kristjansson is a notable inventor based in Salem, MA (US), recognized for his contributions to the field of harmonic drive technology. With a total of three patents to his name, Kristjansson has developed innovative solutions that enhance the functionality and efficiency of harmonic drive transmissions.

Latest Patents

One of his latest patents is the "Piezo-electric drive arrangement for a harmonic drive transmission." This invention involves an apparatus and method for rotatively empowering a harmonic drive transmission. The method includes arranging a primary and a secondary cup-shaped flexspline co-axially within a rotatable rigid circular spline. It also involves forming pivotable fingers in the secondary flexspline, which are biased radially outwardly to contact and bias the primary flexspline in a sequential manner. The array of teeth between the primary flexspline and the circular spline engage to effect relative rotation. Additionally, an array of piezo-electric elements is arranged in contact with the secondary flexspline, allowing for an electric current to be sequenced through these elements to effect a dimensional change, thus biasing the primary flexspline.

Another significant patent is the "Multi-sensor harmonic drive actuator arrangement assembly." This invention comprises an actuator-controlled harmonic drive transmission assembly designed for speed and positional control of an output shaft. The assembly includes a motor with a rotor shaft that provides rotational power to the harmonic drive transmission. A control arrangement allows for rotational positional and speed control between the rotor shaft and the output shaft. This control arrangement may include various encoders that feed data to a control logic unit, ensuring precise control of the motor driving the transmission.

Career Highlights

Erlendur Kristjansson has worked with prominent companies in the industry, including Harmonic Drive Technologies and Teijin Seiki Boston, Inc. His experience in these organizations has contributed to his expertise in harmonic drive technology and innovation.

Collaborations

Throughout his career, Kristjansson has collaborated with notable individuals such as Robert P. Lascelles and Carmine Gabriel Tortora. These collaborations have likely enriched his work and contributed to the development of his patented technologies.

Conclusion

Erlendur Kristjansson's innovative contributions to harmonic drive technology through his patents demonstrate his significant impact in the field. His work continues to influence advancements in the industry, showcasing the importance of innovation

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