Patent ID: 11906201
Assignee: AIR DISTRIBUTION TECHNOLOGIES IP, LLC
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. An exhaust fan unit of a heating, ventilation, and/or air conditioning (HVAC) system, the exhaust fan unit comprising:
an outer fluid path of a nozzle assembly of the exhaust fan unit defined by and between an outer wall of the nozzle assembly and an inner wall of the nozzle assembly;
an inner fluid path of the nozzle assembly defined by and inward from the inner wall;
a floor of the inner fluid path, wherein the floor is configured to collect a liquid thereon; and
a plurality of entrainment ports extending from the outer wall to the inner wall and configured to enable environmental air to pass to the inner fluid path, wherein each entrainment port comprises a bottom surface that tapers downwardly from the inner wall to the outer wall, each bottom surface being axially aligned with the floor adjacent to the inner wall and relative to a longitudinal axis of the nozzle assembly, such that each bottom surface is configured to receive the liquid from the floor and drain the liquid to an external environment.