Toroidal scavenged reservoir for fuel cell purge line system

A toroidal scavenged reservoir for a fuel cell purge line system is disclosed. A fuel cell system includes a fuel cell stack, a separator and a scavenging reservoir. The separator is downstream of andin fluid communication with the fuel cell stack. The scavenging reservoir is downstream of and in fluid communication with the separator. The scavenging reservoir includes an inlet, an outlet, and apartially toroidal middle interconnecting the inlet and outlet. The partially toroidal middle has a radius of curvature, a torus diameter, and an arc length selected such that a minimum volume of liquid necessary to completely block passage of fluid therethrough is the same over a range of tilt angles defined by the minimum volume of liquid, the radius of curvature, and torus diameter. The arc length is based on the radius of curvature and the torus diameter. 公开了种用于燃料电池净化管线系统的环形清除蓄水器。种燃料电池系统包括燃料电池堆、分离器和清除蓄水器。分离器位于燃料电池堆的下游并与燃料电池堆流体连通。清除蓄水器位于分离器的下游并与分离器流体连通。清除蓄水器包括入口、出口和将入口和出口相互连接的部分环形的中间部。所述部分环形的中间部具有选择的曲率半径、环面直径和弧长，使得在