Patent ID: 7767356

Claim:
A common distribution device of a fuel cell of a vehicle, comprises an air supplying portion, an air discharging portion, a hydrogen supplying portion and a hydrogen discharging portion, wherein pipe lines of the air supplying portion and the hydrogen discharging portion are interlocked with each other and lines of the air discharging portion and the hydrogen supplying portion are interlocked with each other, wherein pipe lines of the air supplying portion and the hydrogen supplying portion are not directly interlocked with each other and the air discharging portion and the hydrogen discharging portion are not directly interlocked with each other, wherein the air supplying portion, the hydrogen discharging portion, the air discharging portion and the hydrogen supplying portion include an I-shaped pipe line at end portions thereof respectively, and wherein the I-shaped pipe lines include a triangular drain extending downwards from upper and lower portion of the I-shaped pipe line respectively.