Patent ID: 11892098
Assignee: GREENHECK FAN CORPORATION
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 14:
15. An airflow valve comprising:
a housing defining an inlet, an outlet, and a conduit between the inlet and the outlet;
a plate assembly located in the conduit and rotatably mounted to the housing, the plate assembly comprising:
a first plate,
a second plate rotatable relative to the first plate,
a spring attached to the first plate and contacting the second plate,
an actuator attached to an edge of the first plate, and
an actuator gear fixed relative to an actuator shaft of the actuator; and

a conduit gear, fixed relative to the housing, comprising one or more gear teeth in contact with one or more gear teeth of the actuator gear, wherein the airflow valve is configured to rotate the first plate by rotating the actuator shaft while the actuator gear contacts the conduit gear.