When Miller Electric Manufacturing Company was constructing their new Miller Big Blue® Air Pak, they knew that trying to combine a welder, generator and compressor into one portable unit was going to be a challenge. Facing multiple fluid handling and design difficulties, they turned to RB Royal Industries for the solution. Design challenges included limited space for fluid connections, excessive heat and vibrations generated by combined functions in a small space, inconsistent engine oil level readings due to issues with the oil line routing to the external oil cooler, and the need for the fluid connections to withstand rugged use and transportation. RB Royal engineers determined that flexible hoses, a remote oil-to-cooler application and custom hybrid hose assemblies were the best solutions to address the compounded issues.
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