Hinge with motion damping interface

A damping vent hinge for a closable air vent, the damping vent hinge comprising:

• a panel that is operable between a blocking position that closes an airflow path in an absence of process air and an outflow position, where motion of the process air through the airflow path biases the panel away from the blocking position;
• a receiver that is secured to a substrate;
• and
• a hinge that is attached to the panel and the receiver and defines a rotational axis about which the panel rotates between the blocking position and the outflow position, wherein the hinge is disposed within the receiver and rotationally operates through a viscous material disposed within the receiver, wherein rotation of the panel and the hinge rotationally operates the hinge relative to the viscous material, wherein the viscous material dampens the rotational operation of the hinge, wherein the viscous material is sealed within the receiver and the hinge extends through a sealed engagement with the receiver, and wherein during rotation of the hinge, an outer surface of the hinge and an inner surface of the receiver generate a laminar flow of the viscous material within the receiver.

A damping vent hinge for an operable air vent, the damping vent hinge comprising:

• a panel that is operable between an outflow position characterized by a flow of process air biasing the panel away from a blocking position, wherein the panel conceals a vent aperture;
• a receiver that is secured to a structural substrate;
• and
• a hinge that is fixedly attached to the panel and operably coupled to the receiver, the hinge defining a rotational axis about which the panel rotates between the blocking position and the outflow position, wherein the hinge extends through the receiver and rotationally operates through a viscous material disposed within the receiver, wherein rotation of the panel by the flow of the process air rotationally operates the hinge relative to the viscous material, wherein the viscous material dampens the rotational operation of the hinge in a first rotational direction about the rotational axis and in a second rotational direction about the rotational axis, the second rotational direction being in opposition to the first rotational direction, wherein the receiver includes a sealed volume with the viscous material contained therein, wherein the hinge extends through a sealed engagement with the receiver, and wherein during rotation of the hinge, an outer surface of the hinge and an inner surface of the receiver generate a laminar flow of the viscous material within the receiver.