US Patent 11788766 Heating ventilation and air conditioning (HVAC) unit

A HVAC unit includes a housing, at least one flap and an actuator corresponding to the flap. The housing includes a first and a second portion and defining an enclosure “E”. The flap is received inside the housing with a first extreme end thereof engaging with the first portion and a second extreme end thereof engaging with the second portion of the housing via an intermediate lever. The actuator disposed outside the enclosure “E” is connected to and drives the flap via the intermediate lever. The intermediate lever includes a stopper radially extending from at least a portion of a periphery thereof. The stopper is disposed between the second portion of the housing and the flap to limit axial movement of the intermediate lever.