Company Filing History:
2 out of 5 
1 out of 37 
1 out of 38 
Years Active: 1997-2012
Title: Esko Juvonen: Innovator in Hydraulic Technology
Introduction
Esko Juvonen is a notable inventor based in Lahti, Finland. He has made significant contributions to the field of hydraulic technology, holding a total of 5 patents. His innovative designs focus on improving the efficiency and safety of rock breaking devices.
Latest Patents
Among his latest patents are a rock breaking device, a protection valve, and a method of operating a hydraulic rock breaking device. The rock breaking device features a percussion device that receives pressure fluid through an inlet channel. This inlet channel is equipped with a protection valve that monitors the volume flow of pressure fluid. If the flow exceeds a preset limit, the protection valve partially closes the connection, thereby safeguarding the percussion device from excessive input power. The protection valve also includes a throttle that creates a pressure difference based on the volume flow, which is utilized for controlling the valve. Another patent involves a hydraulic hammer with a sealing bushing, which includes a percussion piston that delivers strokes to a tool. The sealing bushing ensures that the lower part of the percussion piston is sealed against the frame, enhancing the device's functionality.
Career Highlights
Esko Juvonen has worked with several companies throughout his career, including Bretec Oy and Tamrock Oy. His experience in these organizations has contributed to his expertise in hydraulic systems and rock breaking technologies.
Collaborations
Esko has collaborated with notable colleagues such as Jouni Salo and Kauko Juuri, further enriching his professional journey.
Conclusion
Esko Juvonen's innovative work in hydraulic technology has led to significant advancements in rock breaking devices. His patents reflect a commitment to enhancing safety and efficiency in the industry.