FLEXXAIRE INC.
FLEXXAIRE INC. Patent applications | ||
Patent application number | Title | Published |
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20120263593 | VARIABLE PITCH FAN HAVING A PITCH SENSOR - A compact variable pitch fan has a drive fluid pitch change mechanism. A pitch change piston is constrained to follow reciprocating motion under drive fluid control within a peripheral hub from which fan blades extend outward. A pitch change sensor is mounted with the rotary union. | 10-18-2012 |