Arthur J Runft

Title: Arthur J Runft: Innovator in Pneumatic and Refrigeration Technologies

Introduction

Arthur J Runft is a notable inventor based in Mequon, Wisconsin. He has made significant contributions to the fields of pneumatic systems and refrigeration technology. With a total of 2 patents to his name, Runft's innovations reflect his expertise and dedication to improving mechanical systems.

Latest Patents

Runft's latest patents include a switch assembly designed for a pneumatic cylinder-piston door operator. This invention connects to an air supply via a solenoid actuated valve. The control circuit selectively energizes the solenoid valve in response to momentary actuation of various switches, including control and safety switches. For refrigeration unit installation, the switch contacts are uniquely designed, with one contact featuring a pimpled surface and the other a serrated surface to ensure a reliable electrical connection. Additionally, the manual control switches incorporate a micro-switch housed in a suitable enclosure, equipped with gaskets to minimize the impact of adverse environmental conditions. A spring-loaded plunger is also included, which can be activated by an external push-button or pull cord.

Another significant patent involves a fluid-activated load operator. This door operator features a double-acting power cylinder with a dual metering valve. The valve unit includes an external tube with a sliding control piston that corresponds to selected movements. Each metering assembly is designed with a supply-exhaust port connected through a four-way valve to manage air supply and exhaust. The assembly also includes a one-way supply passageway, a central speed control passageway, and a fixed damping passageway, each equipped with needle valve controls. The power and damping cylinder assembly is designed for versatility, allowing it to adapt to various door sizes and types.

Career Highlights

Arthur J Runft is associated with Kelley Company, Inc., where he has applied his innovative skills to develop advanced mechanical solutions. His work has significantly impacted the efficiency and functionality of pneumatic and refrigeration systems.

Collaborations

Runft collaborates with Walter E Meyer, contributing to the development of innovative technologies in their field.

Conclusion

Arthur J Runft's contributions to pneumatic and refrigeration technologies demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of mechanical systems and a desire to enhance their performance.