EXHAUST GAS RECIRCULATING VALVE DEVICE

摘要

The exhaust gas recirculation valve device of the present invention is provided with a motor main body 20 which drives a valve 8 by a valve rod 6 in direction of opening or closing, and a motor holder 21 which covers the lower opening of the motor main body 20. A circular groove 50 is formed on one of the upper section of the motor holder 21 and the lower opening of the motor main body 20 and a protrusion 60 which fits into the circular groove 50 is formed on the other of the upper section of the motor holder 21 and the lower opening of the motor main body 20. A liquid sealant layer 70 is disposed between upper face 61 which is the top of the protrusion and the lower face 50a which is the bottom of the circular groove 50 facing the upper face 61.