US Patent 9909778 Freeze tolerant condensate trap

A condensation trap comprising an inlet chamber configured to receive condensate liquid through a receiving opening therein. The trap also comprises an internal chamber in fluid communication with the inlet chamber via a first internal opening defined by a sidewall shared by the inlet chamber and the internal chamber, the first internal opening located at an opposite end of the inlet chamber from the receiving opening. The trap also comprises an outlet chamber in fluid communication with the internal chamber via a second internal opening located at an opposite end of the internal chamber from the first internal opening. The trap also comprises a bleed orifice located in a sidewall shared by the internal chamber and the outlet chamber, wherein at least a portion of the bleed orifice is lateral to first internal opening.