Company Filing History:
1 out of 7 
1 out of 18 
1 out of 1 Years Active: 1981-1983
Title: Vladislav D Firstov: Innovator in Pressure Limiting Valves
Introduction
Vladislav D Firstov is a notable inventor based in Moscow, Russia. He has made significant contributions to the field of hydraulic systems, particularly through his innovative designs of pressure limiting valves. With a total of 2 patents to his name, Firstov's work showcases his expertise and dedication to advancing technology in this area.
Latest Patents
Firstov's latest patents include a pressure limiting valve specifically designed for hydraulic mine props. This invention features a working space with an inlet opening connected to a high-pressure space and an outlet opening linked to a low-pressure space. The valve includes a displaceable first valve member that engages with a valve seat in the shut-off position, along with a spring that presses the first valve member to the valve seat. Additionally, the first valve member has transfer passages that ensure communication between the inlet and outlet openings when the valve is open.
Another significant patent is the pressure valve, which is actuated by pressurized fluid. This valve has a housing that separates high-pressure and low-pressure spaces with a partition. The partition accommodates a valve member that establishes alternating communication between the spaces upon displacement. The design incorporates a pressure-relief valve spring and an auxiliary piston that cooperates with the valve member to enhance its functionality.
Career Highlights
Throughout his career, Vladislav D Firstov has worked with various organizations, contributing his expertise to the development of hydraulic technologies. Notably, he has been associated with the Kozponti Banyaszati Fejlesztesi Intezet, where he has collaborated on innovative projects that push the boundaries of hydraulic engineering.
Collaborations
Firstov has worked alongside esteemed colleagues such as Sergei A Sanin and Jury F Ponomarenko. Their collaborative efforts have led to advancements in hydraulic systems and have further established Firstov's reputation as a leading inventor in his field.
Conclusion
Vladislav D Firstov's contributions to the field of hydraulic systems through his innovative patents demonstrate his commitment to engineering excellence. His work continues to influence the industry and inspire future innovations in pressure limiting valves.