Patent ID: 8156931

Claim:
A vent cap for a direct vent system, the cap comprising: a base plate having a top, a bottom, a first side, a second side and an opening for receiving a two duct direct vent pipe having an inner pipe communicating with an outlet opening of the yent cap and an outer pipe communicating with an inlet opening of the vent cap, said base plate opening sized in correspondence with the outer pipe; a semicircular outer housing secured to the base plate, the semicircular outer housing having a first edge attached to the first side of the base plate and a second edge attached to the second side of the base plate the first and second edges having a first height, the semicircular outer housing having an apex with a second height less than the first height; semicircular a top cover and a semicircular bottom cover, the top cover positioned at a top side of the semicircular outer housing, the top cover having a top outlet aperture in communication with the outlet opening and a top inlet aperture in communication with the inlet opening, the bottom cover positioned at a bottom side of the semicircular outer housing, the bottom cover having a bottom outlet aperture in communication with the outlet opening and a bottom inlet aperture in communication with the inlet opening the apex of the semicircular outer housing causing the top cover and the bottom cover to be angled with respect to the base plate; a divider coupled between the outer housing and the base plate, the divider having an opening aligned with the base plate opening and sized in correspondence with the inner pipe, and forming an exhaust region between the outer housing and the divider and an inlet region between the divider and the base plate the exhaust region in fluid communication with the outlet opening and the inlet region in fluid communication with the inlet opening; an outer sleeve for coupling the outer pipe to the base plate opening such that the outer sleeve communicates with the inlet region; an inner sleeve positioned between the divider and the base plate, wherein said inner sleeve couples the inner pipe to the divider opening such that the inner sleeve communicates with the exhaust region; and a heat shield positioned adjacent to the divider and in the exhaust region between the outer housing and the divider, the heat shield having a semicircular shape and directly coupled to the divider.