Location History:
- Kyiv, UA (1999)
- Kiev, UA (2014)
Company Filing History:
1 out of 1 
1 out of 5 Years Active: 1999-2014
Title: Valerii G. Krivenko: Innovator in Flash-Butt Welding Technology
Introduction
Valerii G. Krivenko is a notable inventor based in Kyiv, Ukraine. He has made significant contributions to the field of welding technology, particularly in the development of machines for flash-butt welding of rails. With a total of 2 patents to his name, Krivenko's work has had a lasting impact on the industry.
Latest Patents
Krivenko's latest patents include a machine for flash-butt welding of rails. This innovative machine features electric contacts yokes with controlled drives and holes for guide pins. Another patent describes a machine that incorporates two tong-type clamping devices designed as two two-arm levers. These levers are mounted on a common central axle and are insulated from each other. They can be displaced along the axle by two flashing-upsetting hydraulic cylinders, which connect them and include bimetal current-carrying rods. Each lever is hinged to the rod or the clamping hydraulic cylinder case, with clamping and current-carrying jaws at the other end. The design also includes welding transformers built into the hollow two-arm levers, connected by current-carrying jumpers to the clamping jaws. Additionally, a hydraulic intensifier is integrated into the clamping hydraulic cylinder, enhancing the machine's efficiency.
Career Highlights
Throughout his career, Valerii G. Krivenko has worked with prominent organizations such as the E.P. Paton Electric Welding Institute and the E.O. Paton Electric Welding Institute of the National Academy of Sciences of Ukraine. His experience in these institutions has allowed him to refine his expertise in welding technologies and contribute to various innovative projects.
Collaborations
Krivenko has collaborated with notable colleagues, including Sergei I. Kuchuk-Yatsenko and Vassilii A. Sakharnov. These partnerships have further enriched his work and expanded the scope of his inventions.
Conclusion
Valerii G. Krivenko's contributions to flash-butt welding technology exemplify his innovative spirit and dedication to advancing the field. His patents and collaborations reflect a commitment to excellence in engineering and technology.