Patent ID: 9263214
Filing Date: 2016-02-16
CPC Classification: F24F,H01H,Y10T

Claim Text:
1. A switch assembly for a make-up air system, comprising: a housing configured to be mounted to an exhaust air duct; a rod pivotally mounted to the housing, the rod having a paddle mounted on a first rod end disposed outside the housing and a counter weight mounted on a second rod end, the paddle including an angled portion, the counter weight disposed within the housing and attached only to the second rod end; and a switch disposed in the housing and operably coupled to the rod, the switch configured to be actuated by contact with a curvature of the rod when the rod pivots in response to the paddle experiencing a flow of air through the exhaust air duct that exceeds a predetermined threshold, wherein the switch is configured to signal a fresh air intake assembly to provide a flow of fresh air when actuated, and wherein the angled portion of the paddle is configured to aid in capturing the flow of air through the exhaust duct.