NASA Spinoff Database: Alloy-Enhanced Fans Maintain Fresh Air in Tunnels

NASA Center: Marshall Space Flight Center
Public Release Year: 2011
Reference Number: MSFC-SO-198
Category: Public Safety
Origin: High-strength aluminum alloy for high-temperature applications

Marshall Space Flight Center developed a high-strength aluminum alloy three to four times stronger than conventional aluminum alloys at high temperatures. Twin City Fan Companies Ltd. in Minneapolis, Minnesota, licensed the alloy and is currently employing the technology to make impellers for safety ventilation fans in rail and road tunnels.

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Page Number in Published book: 94
Manufacturer: Twin City Fan Companies Ltd.

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