作者: Pavel Marak , Paul Schwendinger , Eric Barton , Steven L. Wolff , David James Emmons
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摘要: An illustrative damper system includes a blade that is configured to be positioned within duct, such as bypass duct of an HVAC system. A shaft in communication with the blade, torsion spring shaft, and force adjustment mechanism spring. The may affect movement about rotation axis provide bias for biasing toward desired position (e.g. closed position).