Patent ID: 11859837
Assignee: RHEEM MANUFACTURING COMPANY
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 11:
12. An HVAC system comprising:
a heat exchanger;
an air moving device configured to move air across an outer surface of the heat exchanger; and
an economizer comprising:
a housing;
an air inlet extending through a wall of the housing;
a sliding door configured to transition between a closed position and an open position, the sliding door comprising:
a first portion forming a barrier, and a second portion comprising at least one aperture, wherein when the sliding door is in the closed position: (i) the first portion is aligned with the air inlet in a vertical orientation, and (ii) the second portion is disposed in a first non-vertical orientation; and

wherein when the sliding door is in the open position (i) the second portion is aligned with the air inlet in the vertical orientation, and (ii) the first portion is disposed in a second non-vertical orientation.