The PADT Trilobe Blower
The PADT Trilobe blower is a fully sealed, highly efficient, fluid handler based on the Roots type of blower and is designed for stationary, portable, and automotive fuel cell systems. |
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The Trilobe design employs three lobes on each of the intermeshing rotors and excels in situations that demand moderate pressure at very low flow rates. The integrated design places the motor within the gear sump and thus provides a compact system that is totally sealed which makes the Trilobe suitable for handling supersaturated air, hydrogen, or reformate mixtures.
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| Feature | Benefit |
| Unique three-lobed rotor design | High pump head efficiency (~60%): reduced power consumption, motor size, cost, and noise. |
| Entirely sealed rotating group | Won’t leak water or hydrogen from the system. |
| Integrated brushless DC motor that is water, oil, and grease tolerant | Deals well with supersaturated mixtures. Motor operates spark free with long life and high efficiency. |
| Simple integrated design is constructed from aluminum and plastic | Only 4 major parts manufacturable from high volume approaches provides a low cost robust solution. |
| Scalable design: The pump head is extended on one side of the bearing system and allows easy flow scaling | Allows matching with alternate pressure and flow requirements by changing motor speed and pumphead length. |
| Protected bearings sit in vented dead cavities at extremes of housing | Prevents lubricant migration and contamination of bearing balls and retainers, thus providing long life. |
For more information, please contact Mark Johnson or Scott Klopfenstein at PADT. For additional information on PADT’s fuel cell accessory products, please click on any of the links below.
