Ronald W Harshman

Title: Innovations of Ronald W Harshman

Introduction

Ronald W Harshman is a notable inventor based in Greencastle, PA (US). He has made significant contributions to the field of hydraulic systems, particularly with his innovative designs that enhance operational efficiency. With a total of 2 patents, Harshman has demonstrated his expertise and creativity in engineering.

Latest Patents

One of Harshman's latest patents is a hydraulic selector valve featuring joystick control. This manually operable hydraulic selector valve includes a plurality of two-way spool valves that are normally closed. These valves can be selectively shifted individually or in pairs by a joystick operator to open positions. This allows motive fluid to be delivered to various instrumentalities, such as the jack cylinder of a construction crane outrigger arm. The joystick is equipped with a conical disc that cammingly engages drive pin extensions of the individual spool valves. A positive stop for the conical disc is provided by contact with the mounting plate of the selector valve. This innovative design is employed alongside an associated two-way directional control valve.

Career Highlights

Harshman is currently associated with The Walter Kidde Company Limited, where he continues to develop and refine his inventions. His work has significantly impacted the efficiency and functionality of hydraulic systems in various applications.

Collaborations

Harshman has collaborated with Lynn A Dietrich, contributing to the advancement of their projects and innovations.

Conclusion

Ronald W Harshman is a distinguished inventor whose work in hydraulic systems has led to practical innovations that enhance operational capabilities. His contributions continue to influence the industry positively.