| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a freeze-resistant distribution valve for an automobile, which is suitable for an exhaust emission post-treatment system, namely, an exhaust system. <P>SOLUTION: This freeze-resistant distribution valve includes a magnet part and a hydraulic pressure part. The magnet part includes an anchor pre-tensed by a spring. The hydraulic pressure part includes an annular air zone for storing and conveying a liquid. The hydraulic pressure part also includes a tappet directed to the inside of a valve seat. The valve seat includes a nozzle opening on the opposite side of the tappet. When not electrified, the tappet blocks the annular zone in the direction of the opening (nozzle opening). This applies until the freezing pressure on the anchor generates a sufficient force by the frozen liquid. The force acts reversely by a load reducing motion until a freezing expansion zone is formed. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
