Patent ID: 11933503
Assignee: DL MANUFACTURING, INC.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 16:
17. A method for providing conditioned air at a loading dock, the method comprising the steps of:
supplying a heat exchange unit comprising an ambient air inlet, heat exchange elements, and a conditioned air outlet;
supplying a diverter apparatus, the diverter apparatus comprising a diverter inlet fluidly coupled to the conditioned air outlet of the heat exchange unit, a first diverter outlet, and a second diverter outlet;
supplying a centrifugal blower comprising a blower inlet fluidly coupled to the second diverter outlet of the diverter apparatus;
positioning the centrifugal blower to ventilate a trailer interior with conditioned air from the conditioned air outlet of the heat exchange unit;
determining the presence of a trailer at the loading dock; and
if a trailer is present, moving the diverter apparatus to a first position wherein the first diverter outlet is closed and the second diverter outlet is open; and
if a trailer is not present, moving the diverter apparatus to a second position wherein the first diverter outlet is open and the second diverter outlet is closed.