| 主权项 |
1. A chimney cap, comprising:
an intake pipe extension including an intake opening; an exhaust pipe extension including an exhaust opening disposed above the intake opening; a base plate through which the intake pipe extension and the exhaust pipe extension extend upward toward the intake opening and the exhaust opening, the intake pipe extension extending upward from the base plate such that the intake opening is disposed above the base plate; a diffusion plate disposed above the base plate and over the intake opening, and through which the exhaust pipe extension extends, the diffusion plate including a solid wall portion and a plurality of perforations, the solid wall portion extending directly over the intake opening and the plurality of perforations laterally offset from the solid wall portion; an upper plate disposed above the diffusion plate and through which the exhaust pipe extension extends upward to the exhaust opening, the exhaust pipe extension extending upward from the upper plate such that the exhaust opening is disposed above the upper plate; at least one sidewall surrounding a perimeter at least a portion of the intake pipe extension and at least a portion of the exhaust pipe extension, and extending upward from the base plate, and the at least one side wall including a plurality of apertures; and a plurality of baffles above the upper plate and adjacent to some of the plurality of apertures. |
