Noise eliminator for fuel cell

A noise eliminator for a fuel cell provided in an exhaust system to discharge exhaust from a fuel cell, comprising:

• an inner pipe made of metal, which has a peripheral wall formed with a plurality of sound transmitting holes and through which the exhaust flows in an axial direction;
• and
• an outer shell made of resin, which is formed to surround the inner pipe with a specified interval from the peripheral wall, wherein
• the outer shell includes
• a reception section in which a sound absorption material is placed between the outer shell and the inner pipe,
• a water discharge section which is positioned to face a lower portion in the vertical direction of the inner pipe and in which the sound absorption material is not placed between the outer shell and the inner pipe,
• a first pipe receiving section positioned on an exhaust system downstream side of the outer shell, and
• a second pipe receiving section positioned on an exhaust system upstream side of the outer shell, those are integrally molded,
• one end of the inner pipe is press-inserted into the first pipe receiving section of the outer shell and is fixed, and one end of a connection pipe made of metal is press-inserted into the second pipe receiving section of the outer shell and is fixed, and
• the other end of the connection pipe is slidably fitted in the other end of the inner pipe, wherein a first distance, taken between the inner pipe peripheral wall and the reception section, is larger than a second distance, taken between the inner pipe peripheral wall and the water discharge section, and wherein the outer shell includes a step portion to make the diameter of the outer shell smaller on the water discharge section side.