发明授权
US4390123A Thermally activated, automatic, single blade damper and damper operator 失效
热活化,自动,单叶片阻尼器和阻尼器操作

Thermally activated, automatic, single blade damper and damper operator
摘要:
For a single blade damper, an improved damper operator including a bimetallic element, one end of which is attached to the frame of the damper, and the other end of which is pivotally associated with a bracket connected to the damper blade.
信息查询
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