| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a gas pressure reducing valve keeping a secondary outlet pressure constant substantially by arranging two springs, each of which has a spring constant smaller than that for a single spring arrangement, in series and regulating a pressure by a diaphragm. <P>SOLUTION: This gas pressure reducing valve is provided with a first retainer and a second retainer between the diaphragm and an upper housing, and an area between the first retainer and the diaphragm is energized by a first spring, while an area between the first retainer and the second retainer is energized by a second spring having an outside diameter smaller than that of the first spring. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
